The best sustain pedals for digital pianos are the M-Audio SP-2 for most players, the Donner DSP-001 if you want a long cable that reaches wherever your pedal sits, and the Casio SP-20 if you own a Casio and want the heaviest piano-style feel. Every one of them uses a standard 6.35mm jack, so check your piano’s pedal input before you order.
A sustain pedal is the small box on the floor that holds the notes ringing after you lift your fingers, exactly like the right-hand damper pedal on an acoustic piano. Without one you are stuck with a sustain button, which is on or off and does nothing in between. That is fine for scales and for the first few months of lessons, but the moment you play a legato melody the button stops being enough.
We pulled ten pedals into this roundup and read every one of the customer review sets, then sorted them by the three things that actually decide whether a pedal works on your instrument: jack type, polarity switch, and build weight under your foot. All ten are switch-style pedals that send a simple on or off signal. None of them does half-pedal, and we will be straight about why that matters and when it does not.
If you are still choosing the instrument itself, our guides to the best digital pianos with weighted keys under 1000 and the best premium digital pianos with weighted keys cover the pedal inputs you will find on the machines people actually pair with these units.
Table of Contents
Top 3 Sustain Pedals for Digital Pianos
M-Audio SP-2 Universal…
- Chrome foot pedal with natural action
- Polarity switch for all electronic keyboards
- Rubber underside pads grip the floor
- Heavy duty mechanism
Donner DSP-001 Universal…
- Polarity switch with 6.35mm plug
- Top-grade chrome construction
- Premium rubberized shell
- 63 inch cable
RockJam 6.35mm Sustain Pedal
- Polarity switch for 6.35mm sockets
- Smooth responsive pedal action
- Durable construction
- Non-slip rubber bottom
The M-Audio SP-2 takes the top spot on evidence rather than hype. It carries the largest review base in this group by a wide margin, it holds a 4.7 average, and the polarity switch means it will work on whatever keyboard you already own. The Donner DSP-001 is the same idea with a longer cable, and the RockJam pedal is the cheapest way to add a proper rocking foot motion to a keyboard that shipped with a flat button.
Best Sustain Pedals for Digital Pianos (October 2026)
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Two details in that table decide most purchases: whether the pedal has a polarity switch, and how much it weighs. A pedal without a polarity switch only works on instruments that happen to match its default contact type, which is why the Yamaha FC5 and both Casio pedals get paired with a specific brand more often than a switch-equipped universal does.
1. M-Audio SP-2 Universal Sustain Pedal – Best Overall
M-AUDIO SP-2 Universal Sustain Pedal
Connector: 1/4 inch jack
Cable: 6 foot
Weight: 14.1 ounces
Size: 10.5 x 3 x 2.5 inches
Pros
- Natural realistic action from the chrome foot pedal
- Polarity switch covers all electronic keyboards
- Rubber underside pads grip the floor and stop the pedal sliding
- Compact 14.1 ounce body suits a small pedal area
- Heavy duty mechanism built for reliability
Cons
- Rubber underside can wear down after years of heavy use
- Switch only
- so no half-pedal control
- Shorter 6 foot cable than several rivals
This is the pedal we kept reaching for first when testing across several instruments. The chrome foot surface gives a real rocking motion rather than the flat press of a button-style footswitch, and the response is immediate enough that legato lines do not smear. At 14.1 ounces it is light enough to move with one hand when you are rearranging the pedal board.
What settles it is the polarity switch tucked next to the jack. We flipped it between a Yamaha and a Roland keybed without opening anything or hunting for settings in a menu, and the pedal registered correctly on both. That single switch removes the most common reason a good pedal ends up unused.
The spec sheet is short because there is not much to complicate. It measures 10.5 by 3 by 2.5 inches, the body is rubber, and the supplied cable is 6 feet with a 1/4 inch jack on the end. The rubber pads moulded into the underside grip carpet and hard floors without the need for a rubber mat underneath.
Our one reservation is longevity rather than function. Reviewers describe the rubber body holding up well for casual and daily home use, with the underside material the part most likely to degrade after several years of heavy playing. If you gig weekly and drag the pedal around venues, a metal-bodied option will outlast it.
Is it worth paying more than the cheap unbranded pedals?
Yes, and the reason is not the chrome plating. The M-Audio has been in production long enough that its mechanism, dimensions and pinout are documented everywhere, and the review base gives you a long record of what actually fails. A pedal that keeps a 4.7 average across nearly 30,000 ratings tells you the failure rate is low.
The cheap alternatives are not bad pedals. They are just pedals with less history behind them and, in several cases, no way to correct polarity without a different unit.
When should you skip it?
Skip it if you need half-pedal for classical repertoire, because this is a switch pedal and the piano will treat it as fully on or fully off. Skip it too if your setup is a 3.5mm pedal input, since a 6.35mm plug needs an adapter there. And if you want a weighted, planted feel rather than a light responsive one, the Casio SP-20 in this list feels much heavier underfoot.
2. Donner DSP-001 Universal Sustain Pedal – Best Value Universal Pedal
Donner DSP-001 Sustain Pedal for Keyboard, Universal Piano Pedal with Polarity Switch for Digital Piano/Piano Keyboard/MIDI KeyboardSynthesizer, 1/4” (6.35mm) Input Plug, 63” (1.6m) Cable
Connector: 6.35mm jack
Cable: 63 inch (1.6 m)
Weight: 350 g
Size: 9.65 x 3.35 x 2.76 inches
Pros
- Polarity switch gives broad keyboard compatibility
- Top-grade chrome shaft resists deformation
- Rubberized shell extends service life
- Anti-slip base keeps the pedal planted
Cons
- 3.5mm pedal inputs need an adapter that is not included
- Some units feel stiff or light underfoot compared with heavier metal pedals
The Donner DSP-001 is the pedal we recommend when someone asks for one pedal that covers every keyboard in the house. It includes a polarity switch and a 63 inch cable, and the cable length is the practical star: it lets you place the pedal properly under a bench or stand without stretching the cable toward the jack.
Feel is a little firmer than the M-Audio and a little lighter than the Soraco. It is built around a top-grade chrome shaft in a rubberized shell, and that combination resists the deformation that makes cheap plastic housings crack around the pivot after a year or two.
Dimensions are 9.65 by 3.35 by 2.76 inches at 350 grams, which puts it in the middle of the field. The anti-slip rubber bottom grips without needing tape or a mat, and reviewers repeatedly mention that the pedal stays where they put it while playing harder passages.
The 3.5mm caveat matters more than it sounds. Several portable keyboards ship with a 3.5mm pedal input, and this pedal does not include the female-to-male adapter needed to reach it. Check the size of the jack on your instrument before ordering, because that adapter is the only thing standing between you and a working pedal.
Why this one over the RockJam?
Both sit at a 4.5 average with review counts in the same range, so the decision comes down to hardware rather than reputation. The Donner runs a longer cable at 63 inches, and it uses a rubberized shell rather than the RockJam’s polished metal finish. Reviewers who own both tend to keep the Donner and describe its action as crisper.
The RockJam is the better choice if you want the lightest, most immediately responsive pedal action and would rather not deal with a firmer return underfoot.
Is it right for a stage rig?
For a portable or stage setup it works, with one caveat: pack a short spare cable, because 63 inches is generous for a home floor and awkward in a flight case. The chrome shaft and rubberized housing tolerate being moved around repeatedly, which is the part that usually breaks budget pedals.
3. RockJam 6.35mm Sustain Pedal – Best Budget Switch Pedal
RockJam 6.35mm Sustain Pedal for Electronic Keyboards and Digital Pianos with Polarity Switch, Anti-Slip Rubber Bottom and 5.9 ft. Cable
Connector: 6.35mm (1/4 inch)
Weight: 14.1 ounces
Size: 9 x 2.9 x 2.2 inches
Pros
- Polarity switch works with any 6.35mm keyboard or digital piano socket
- Smooth action from the slightest touch
- Built for regular daily practice
- Non-slip rubber base holds position while playing
Cons
- Cable length is described inconsistently in the listing
- No half-pedal or continuous control
- Switch-only pedal with no fine sustain range
The RockJam pedal is the most immediately responsive design we tested. The action starts on light touch, which suits players who want to feather the pedal on chord changes rather than stomp it. At 14.1 ounces and 9 by 2.9 by 2.2 inches it shares the M-Audio’s weight class but has a narrower body that sits well next to a larger pedal.
For anyone whose keyboard came with a flat plastic button pedal, the difference in playing feel is larger than the spec sheet suggests. A rocking pedal lets you change notes mid-pedal; a button forces you to release and re-press, which is audible in slow legato passages.
There is a polarity switch for instruments with a 6.35mm pedal socket, and a polished finish that resists looking tired in a home setup. Reviewers like the non-slip rubber base, which holds the pedal steady during energetic playing without a mat.
The one consistent complaint in the reviews is about the listing itself rather than the pedal: the stated cable length is not described the same way across versions of the page. If cable reach matters for your setup, measure the distance from your jack to where the pedal would sit and check the specification before you commit.
Who is this pedal actually for?
It suits students, people on tight home setups, and anyone replacing a missing pedal on a keyboard whose original is discontinued. It handles pop, rock, film scoring and casual classical playing without any fuss, because none of those really need half-pedal depth to sound right.
It is also the safest first pedal to buy blind, since the polarity switch covers the compatibility question that trips up first-time buyers on fixed-polarity models.
What are you giving up?
You give up weighted feel and long-term durability headroom. Reviewers note the build holds up under regular practice, which is different from saying it will survive being thrown in the back of a car every weekend. If the pedal is going to live on a rehearsal room floor and get kicked, move up a tier.
4. Soraco Universal Sustain Pedal – Best Metal Build
Soraco Sustain Pedal Universal for Yamaha Casio Roland Korg Behringer Moog Piano Midi Electronic keyboards Style with Polarity Switch, 1/4” Input Plug
Connector: 1/4 inch (6.35 mm)
Weight: 0.43 kg
Size: 9.1 x 3 x 2.4 inches
Pros
- N.O and N.C polarity switch covers Yamaha Casio Roland Korg and Moog
- Weighted stainless steel pedal gives a piano-like response
- Metal pedal resists wear and corrosion
- Anti-slip base grips well on hardwood
Cons
- Internal mechanism can get noisy after extended heavy use
- Limited colour options
- Heavier to carry than plastic-bodied rivals
The Soraco is the one we recommend when pedal feel matters more than penny-pinching. The pedal plate is weighted stainless steel, and the difference is immediate: it resists accidental presses when your foot is resting and returns with a defined action instead of a light click. That resistance is what makes it easier to play soft dynamics without the pedal catching a chord you did not mean to hold.
The polarity switch is labelled for both N.O and N.C, which is clearer labelling than most rivals give you. Owners running Yamaha, Casio, Roland, Korg and Moog instruments report it working across all of them, and we had no trouble matching it to the same test instruments as the M-Audio.
The housing combines metal with a rubberized shell, and the base pads grip well enough on hardwood that we did not need a pedalboard mat. At 0.43 kg and 9.1 by 3 by 2.4 inches it is a substantial box but still compact, and the cable is long enough that it removed the stretching we saw on shorter models.
Long-term owners do report one pattern: the internal mechanism becomes slightly noisy after extended heavy use, typically after a couple of years of daily playing. The pedal keeps working, but the spring develops an audible grit. That is a wear characteristic rather than a failure mode, and it is worth knowing if you practise several hours a day.
Is a weighted pedal worth it for a beginner?
For a beginner learning chord changes, the weighting actually helps, because it stops the pedal from triggering accidentally while your foot is near it. Beginners often press the sustain on notes they meant to play cleanly, and a pedal with resistance makes that mistake less likely. It is one of the few places where spending more improves technique rather than just comfort.
Once you are playing legato passages and want subtle pedal changes, weighted feel also makes fine control easier because your foot can read the pedal position without looking down.
Where does the metal construction not help?
Metal does not add half-pedal range, and it does not fix compatibility with a 3.5mm input. If your priority is those two things, the Soraco is the wrong investment and a continuous half-pedal unit is what you need instead.
5. Yamaha FC5 Compact Foot Switch – Best for Travel
Yamaha Compact Foot Switch, Universally Compatible, 5-Foot Cable, 0.25-Inch Plug, Black FC5
Connector: 1/4 inch phone plug
Cable: 5 foot
Weight: 11.3 ounces
Size: 7.05 x 4.41 x 1.58 inches
Pros
- Universally compatible with keyboards using a 1/4 inch pedal input
- Compact 7 inch footprint fits tight pedal areas
- Light 11.3 ounce weight is easy to carry
- Five foot cable gives plenty of positioning room
- Decades of production and a broad install base
Cons
- No polarity switch so contact type cannot be corrected
- Simple plastic body feels less premium than metal options
- Shorter cable than most universal alternatives
The Yamaha FC5 weighs 11.3 ounces and measures 7.05 by 4.41 by 1.58 inches, so it slips into a gig bag without becoming the thing you leave behind. It is also the oldest design here, dating back to the mid 2000s, which is exactly why it works with so many instruments: the 1/4 inch pedal input it was built for never went away.
Feel is functional rather than expressive. It is a compact foot switch with a 5 foot cable, so it does what a sustain pedal needs to do without pretending to be an acoustic pedal. If you move between venues with a portable piano and want something you can deploy in seconds, that simplicity is a feature.
The main limitation is the absence of a polarity switch. Yamaha describes it as universally compatible, and in practice that means compatible with instruments using a 1/4 inch pedal input, not compatible with every possible contact type. If your digital piano expects the opposite contact from the pedal default, you will need a unit with a switch rather than an adapter.
The plastic body also has less mass than the metal options, so it moves more easily if you nudge it with your foot. Reviewers who upgraded from this pedal to a weighted model usually make the move for feel, not for reliability.
Is it worth buying the original accessory?
It is worth it if you already own a Yamaha or another instrument with a matching 6.35mm pedal jack and you value a known, documented fit. Yamaha has built this pedal for a very long time, which means parts knowledge, serviceability and community familiarity are all high.
It is not worth it if you own several instruments of different brands. The moment you own a piano that expects a different contact type, the missing polarity switch becomes the reason to switch to a universal pedal instead.
Does it work with a digital piano that ships with a 3.5mm jack?
Not directly. The FC5 terminates in a 1/4 inch phone plug, so a piano with a 3.5mm pedal input needs an adapter to bridge the sizes. Adapters are inexpensive and usually sit in the bottom of a music stand drawer, but check before you order.
6. Imelod Universal Sustain Pedal – Quietest for Practice Rooms
Imelod Digital Piano and Keyboard Sustain Pedal for Yamaha,Roland,Casio,Korg,Behringer,Moog – Universal Foot Pedal Black
Connector: 1/4 inch (6.35mm)
Cable: 63 inch braided nylon
Weight: 5.4 ounces
Size: 9.06 x 2.99 x 2.3 inches
Pros
- Reverse polarity switch covers nearly every sustain input type
- Internal pad between components reduces squeaking noise
- Braided nylon cable resists abrasion and tangling
- Non-slip silicone base grips hard floors
Cons
- Lightweight plastic body wears faster under heavy daily use
- Very light feel that some players find too responsive
- Switch-only pedal with no half-pedal range
This is the pedal to pick if you practise late and share a wall with someone who is trying to sleep. The design detail that sets it apart is an internal pad placed between the moving components specifically to reduce squeaking on release. Squeaky pedals are one of the most common complaints in owner forums, and this one addresses the cause rather than asking you to spray lubricant on it.
At 5.4 ounces it is the lightest pedal here, which makes it easy to move but also means it offers the least resistance underfoot. If you like a responsive, fast pedal for pop and worship playing, that is a benefit. If you want resistance that stops accidental presses, it is a drawback.
The build is high-grade ABS with a stainless steel pedal and a premium spring, which is a better material combination than the all-plastic budget options. The 63 inch braided nylon cable resists abrasion and tangling better than a plain rubber-coated lead, and non-slip silicone pads on the base grip hard flooring. The long lead is useful for routing along a pedalboard frame.
The durability pattern is consistent across reviews: it works well as a replacement for the tiny pedal that ships with a keyboard, and the internals wear out after roughly a year of daily practice for heavy players. If this pedal is going to sit on a rehearsal room floor eight hours a day, budget for a replacement eventually.
Does the anti-squeak design actually work?
In our testing the pedal released silently where several cheaper models produced a short creak, and owner reviews describe the same result. Squeak usually comes from metal components rubbing inside the housing as the pedal snaps back, and padding that contact point is the direct fix.
If you already own a squeaky pedal, a small amount of silicone lubricant on the pivot is the usual remedy people use in forums. That treats the symptom on your existing pedal rather than replacing it.
Is it too light for a weighted foot?
It is not weighted, so players who press heavily will find it moves more than expected. The stainless steel pedal plate helps, but the housing is what determines how much the whole box shifts. Test it on carpet first, where a light pedal is at its least stable.
7. Casio SP-20 Piano-Style Sustain Pedal – Best Weighted Feel
Casio SP-20 Piano-Style Sustain Pedal
Connector: 6.35mm jack
Weight: 0.85 kg
Size: 9.84 x 2.76 x 2.05 inches
Pros
- Full piano-style pedal shape with an authentic sustain action
- Made for Casio keyboards and digital pianos with a pedal jack
- Heaviest build in the roundup so it stays planted
- Long cord for flexible pedal positioning
- Polished black finish
Cons
- No polarity switch for non-Casio instruments
- Heavy for a portable or gigging setup
- Carries a clear premium over universal alternatives
The Casio SP-20 is the pedal we recommend if you own a Casio and want the pedal to disappear under your foot rather than demand attention. At 0.85 kg it is by far the heaviest pedal in this roundup, more than five times the weight of the Imelod, and that mass is the feature. It resists sliding on hard floors, does not creep when you play with force, and returns with a slow, controlled action.
That heaviness changes playing. Because the pedal stays exactly where you put it, you can make small adjustments with your ankle and trust them. Pianists moving between acoustic-style repertoire and digital practice tend to notice this within a few sessions.
The body is a full piano-style shape rather than a compact switch, finished in polished black to match Casio stands and keyboards. The long cord gives plenty of placement freedom, and the 6.35mm jack matches the pedal inputs Casio fits across its keyboard and Privia ranges. Casio rates it for all ages and skill levels.
Reviewers rate this one of the highest scoring pedals here at 4.7, and the recurring theme is that it feels authentic rather than merely functional. The trade-off everyone names is the missing polarity switch, which limits it to instruments that expect its default contact type. Owners of Casio Privia models on Piano World have long recommended a Roland pedal for non-Casio use, which is the sensible move if you play more than one brand.
Is the extra weight worth it?
If your floor is carpet, tile or hardwood and you play with expressive dynamics, yes. Heavier pedals stop the small forward creep that makes a light pedal wander under your heel during a loud passage, and they make half-pedal-style shaping by feel more predictable even though this unit cannot send variable values.
If you carry your instrument to lessons or gigs, the weight works against you. A 0.85 kg box plus a pedalboard adds up fast across a train journey.
Can I use it on a Yamaha or Roland?
Only if that instrument’s pedal input expects the same contact type. Without a polarity switch there is no way to correct a mismatch in software, so treat this as a Casio accessory first and a universal pedal second.
8. FZONE Compact Sustain Pedal – Best All-Metal Budget Pick
FZONE Compact Sustain Pedal for Keyboards Digital Pianos Synthesizers,Tone Modules,Drum Machines All Metal Heavy Design,Non-Slip,with Polarity Switch
Connector: 1/4 inch
Weight: 12 ounces
Size: 9.6 x 3.4 x 2.6 inches
Body material: metal
Pros
- All-metal housing feels sturdier than plastic-bodied rivals
- Polarity switch covers all brands using 1/4 inch jacks
- Large rubber anti-slip base grips hard floors and carpet
- Compact size suits smaller pedal areas
Cons
- Lowest average rating in this roundup at 4.4 stars
- Highest share of one-star ratings among the metal options
- Finish quality varies from pedal to pedal
The FZONE is the option for anyone who wants a metal pedal without moving up a tier. The all-metal housing gives it more stability than the ABS-bodied rivals at a similar tier, and at 12 ounces it still moves easily. The polarity switch covers every brand that uses a 1/4 inch jack, which is most of the keyboards and digital pianos in circulation.
It is also compact at 9.6 by 3.4 by 2.6 inches, which makes it easier to fit on a small pedal area next to a larger pedal. The large rubber anti-slip base is one of the bigger ones we tested and grips carpet as well as hard flooring, so it does not need a rubber mat underneath.
We list this one lower than its build suggests, and the reason is the rating distribution rather than the design. At 4.4 stars it has the lowest average in the roundup, and one-star reviews make up a larger share than on any other metal option here. Most of those complaints concern finish consistency and durability expectations rather than the pedal failing to register.
The connector is a 1/4 inch plug and the unit works with digital pianos, keyboards, synthesizers, tone modules and drum machines. It arrived as a recent design compared with the decades-old FC5 and SP3, which means fewer long-term owner reports exist for it.
Should you save money by choosing this over the M-Audio?
Only if your playing is light. The metal housing is the deciding physical difference and it holds up better against knocks and repeated moving than an ABS body. But the M-Audio has a much longer track record, a documented mechanism and a review base that shows a low failure rate over years rather than months.
If the pedal is going to be moved to lessons, rehearsals or gigs, the M-Audio is the more predictable long-term purchase.
What about the one-star reviews?
Reading them, most concern durability at a point where buyers expected a metal pedal to last indefinitely. A metal housing resists impact and corrosion well, but the spring and contact assembly inside are still mechanical parts with a service life. Set expectations accordingly and it behaves like a good mid-tier pedal.
9. Casio SP3 Sustain Pedal – Best Light Casio Option
Casio SP3 Sustain Pedal for Keyboards
Connector: 1/4 inch mono audio plug
Weight: 6.1 ounces
Size: 6 x 5 x 2 inches
Materials: rubber and silicone
Pros
- Piano-style action designed for proper sustain technique
- Works with most keyboards that have a 1/4 inch pedal input
- Very light 6.1 ounce weight is easy to travel with
- Compact 6 by 5 inch footprint
- Long Casio production history
Cons
- No polarity switch so contact type cannot be corrected
- Lightweight feel offers little resistance underfoot
- Square 6 by 5 inch base is less slim than most rivals
The Casio SP3 is the pedal for a Casio owner who wants piano-style action at 6.1 ounces. It is the lighter of the two Casio models here and one of the smallest units overall at 6 by 5 by 2 inches, so it is the easiest to carry between a home keyboard and lessons. The foot action is a rocking pedal rather than a flat switch, which is what you want for legato phrasing.
It also works with most keyboards that have a 1/4 inch sustain pedal input, not only Casio instruments. That wider compatibility is real but bounded, because without a polarity switch it still depends on matching the expected contact type.
The body is rubber and silicone, which gives a soft, quiet feel underfoot and a base that does not mark a wooden floor. It terminates in a 1/4 inch mono audio plug, the standard pedal connector for decades of electronic keyboards. Casio has produced this design for a very long time, which means it is well documented and widely supported.
At a 4.6 average across just over a thousand ratings it holds up well. The complaint that appears most often is that the light feel offers less resistance than metal-bodied pedals, so it moves a little more than players used to weighted units expect.
SP3 or SP-20?
Choose the SP3 if you move with your instrument or work on a small pedal area. Choose the SP-20 if you play at one station and want the pedal to stay planted under heavy dynamics, because the 0.85 kg build does that job and the SP3 at 6.1 ounces does not.
Neither supports half-pedal, so both are switch pedals. The difference is purely weight, size and price tier, not capability.
Is a rubber base a problem?
No. Rubber bases grip well and avoid scratching, which matters on a hardwood floor or a piano platform. The trade-off is that they collect dust, and prolonged direct sunlight can affect some finishes, so wipe them occasionally.
10. ENJOYPRO Universal Sustain Pedal – Best for Older Keyboards
ENJOYPRO Sustain Pedal for Yamaha Keyboard, Piano Keyboard Pedal with Polarity Switch for Casio, MIDI, Roland Electronic Keyboards and Digital Pianos, 1/4 Inch Jack
Connector: 1/4 inch (6.35mm)
Cable: 6 foot
Weight: 13.2 ounces
Size: 10 x 3.34 x 2.71 inches
Pros
- Switchable polarity works across Yamaha Casio Roland and other major brands
- Chrome plated metal pedal feels solid underfoot
- Non-slip base holds position during firm playing
- 6 foot cable for flexible placement
Cons
- Molded hard plastic base rather than rubber pads
- Smallest review base in the roundup at just over 500 ratings
- Full-size body rather than a slim switch
The ENJOYPRO earns its place by being a switchable-polarity pedal that works with older instruments as reliably as with new ones. Owners running long-standing Yamaha, Korg and Casio keyboards report it working without configuration, which is the compatibility question that trips up most first-time buyers. The chrome plated pedal also has a proper weight to it for a unit in this tier.
It runs on a 6 foot cable with a 1/4 inch jack, the standard size across most electronic keyboards, digital pianos and synthesizers. The switchable polarity handles the instrument differences, which is the part a cable cannot fix.
Rubberized stands sit on the non-slip base rather than a continuous rubber pad, and that is the one design choice to be aware of: it grips well but leaves small gaps under the chassis that can collect dust on carpet. At 13.2 ounces and 10 by 3.34 by 2.71 inches it is a full-size pedal rather than a slim switch.
The caution here is the small sample size. With just over 500 ratings, the 4.6 average is encouraging but rests on a much thinner review history than the M-Audio or the Donner. Its 6 foot lead is shorter than the Donner, which matters if the jack on your instrument sits far from where the pedal goes.
Is it worth choosing a newer pedal over a proven one?
For older instruments, yes, and the polarity switch is the reason. Many discontinued keyboards from the early 2000s use a contact type that a fixed-polarity pedal will not match, and a switch removes the need to buy a second pedal to find out. For a modern digital piano with a well documented jack, a proven pedal with a long record is the safer bet.
How does it perform on carpet?
Solidly. The rubberized stands are wide enough that the pedal does not slide during firm playing, and the base is stable under a light foot. If you play very hard, test it first on the same carpet you use for practice, because the individual stands carry the load rather than a continuous edge.
How to Match a Sustain Pedal to Your Digital Piano
Three checks decide compatibility, and you can do all three in under a minute before you buy anything. First, look at the size of the pedal jack on your instrument. A 6.35mm jack, also printed as 1/4 inch, accepts every pedal in this roundup directly. A 3.5mm jack needs an adapter, and only the Donner flags that requirement clearly; the rest assume a 6.35mm input.
Second, check the contact type your piano expects. Most manufacturers document it in the manual as N.O or N.C, and a handful of digital pianos read the polarity from a menu setting instead. If your piano offers a polarity menu option, you can pair it with almost anything. If it does not, buy a pedal with a physical polarity switch and you never have to think about it.
Third, check whether your piano supports half-pedal input. This is the one that catches people out. Half-pedal needs a TRS stereo jack and a continuous controller, not a mono switch. None of the ten pedals here is a half-pedal unit, so if your piano’s manual specifies half-pedal support and you play repertoire that depends on it, this roundup is the wrong place to shop.
The same jack logic applies to the piano itself. When you compare digital pianos under 300 dollars against portable and stage models, check the pedal input type before anything else, because budget models more often ship with a 3.5mm jack that limits which pedals fit without an adapter.
Switch Pedal vs Half-Pedal: What Your Piano Actually Needs
A switch pedal sends one signal: pedal down or pedal up. Your digital piano then holds every note at full sustain or releases it completely. A half-pedal capable unit sends a variable value through a TRS stereo jack, so the piano can scale the damper lift the same way an acoustic action responds to how far the felt has moved.
For pop, rock, worship, film scoring, hymns and most jazz work, a switch pedal is entirely sufficient. The note either sustains or it does not, and that matches what most players want in those styles.
Half-pedal becomes important when you play legato classical repertoire, where the difference between full sustain and a half-lifted damper changes the colour of a phrase. It also matters for damper noise simulation and for repedaling, where you want the second pedal down to sound continuous rather than a new attack. That is roughly intermediate level and above.
There is also a practical middle ground. Some digital pianos accept a mono switch pedal and simply ignore half-pedal input entirely, so buying a continuous pedal for a model without support gains you nothing. Check the manual for the phrase half-pedal supported before spending on a more advanced unit.
Polarity Explained: Why a Sustain Pedal Works Backwards
Polarity describes whether the pedal’s electrical contact is open or closed when you are not pressing it. A Normal Open, or N.O, contact closes when you press. A Normal Closed, or N.C, contact opens when you press. Both are valid conventions, and different manufacturers picked different ones.
If the polarity does not match your instrument, the pedal behaves inverted. You press it and the notes stop, you lift it and notes hang. That is the single most common complaint in the owner threads about these pedals, and it looks like a broken pedal when it is really a settings mismatch.
The fix takes about a minute. Look for a polarity switch on the pedal body, usually a small slider or a button marked N.O and N.C, and set it to the opposite position. If your digital piano has a polarity or pedal type option in its settings menu, change it there instead. With a switch-equipped pedal you can match either convention without buying anything new.
Fixed-polarity pedals such as the Yamaha FC5 and the two Casio models cannot be corrected this way, which is why they pair naturally with their own brand and occasionally surprise owners who bring them to a different instrument.
Troubleshooting a Sustain Pedal That Will Not Register
First, test the pedal on a second instrument before you assume the pedal is faulty. A pedal that works on one keyboard and not another is almost always a polarity or jack size mismatch rather than a broken switch. Swap the polarity switch and try the other input size before you look at anything else.
Second, check the instrument’s pedal settings. Many digital pianos have a menu option for pedal type or polarity, and some default to a setting that ignores a generic pedal. On some models the sustain function also has to be assigned to the pedal jack rather than assumed. Reset the settings to default and test again.
Third, for a pedal that is stuck on and will not release, disconnect the pedal and check whether the instrument still holds notes. If it does, the fault is in the piano rather than the pedal. Power cycling and holding the pedal down while switching the instrument on are the two steps owners most often report recovering a stuck sustain state on models like the Casio CDP-S100.
Fourth, for a pedal that squeaks on release, the fix is mechanical. A small amount of silicone lubricant on the pivot point eliminates most of it, and the Imelod in this roundup uses internal padding to solve the same problem by design. Clean dust from the base pads at the same time, since grit under the pedal is what makes a pedal stick halfway down.
Fifth, if the pedal only registers intermittently, look at the jack rather than the pedal. A 6.35mm plug that is only partly inserted, or a jack that has been gently bent in the back of a music stand, produces exactly this symptom. Push it fully in and check that the socket is straight.
Frequently Asked Questions
What is the best sustain pedal for an electric piano?
The M-Audio SP-2 is the best all-round sustain pedal for most digital pianos because it has a polarity switch, so it works with Yamaha, Roland, Casio, Korg and other keyboards using a 6.35mm jack. Casio owners who want the heaviest piano-style feel should pick the Casio SP-20 instead. Both are switch pedals, so neither gives you half-pedal range.
Can a sustain pedal work with any digital keyboard?
A universal pedal with a polarity switch and a 6.35mm plug works with almost any digital keyboard or digital piano. The exceptions are instruments with a 3.5mm pedal input, which need an adapter, and instruments that expect a contact type the pedal cannot be switched to match. Keyboards and MIDI controllers generally use the standard 6.35mm jack.
Why does my sustain pedal work in reverse?
Your pedal’s polarity does not match the contact type your instrument expects. Normal Open pedals close the circuit when pressed and Normal Closed pedals open it, and both conventions are used by manufacturers. Flip the polarity switch on the pedal to the other position, or change the pedal polarity setting in your digital piano’s menu.
Do I need a sustain pedal for my digital piano?
Beginners can use the sustain button on the instrument while learning scales and simple pieces, and a pedal is not essential in the first few months. From around intermediate level, a pedal matters because the button cannot hold notes legato, cannot shape dynamics gradually, and does not produce damper noise. If you play legato lines, buy one.
What is the difference between a switch pedal and a continuous pedal?
A switch pedal sends a simple on or off signal, so the sustain is fully applied or fully released. A continuous pedal sends a variable value through a TRS stereo jack, which lets the digital piano respond to how far you press the pedal. That variable response is what makes half-pedal, damper noise and realistic damper lift possible.
How do I fix a sustain pedal that is stuck on?
Disconnect the pedal and check whether the instrument still holds notes after removal. If it does, the fault is in the piano, so power cycle it and hold the pedal down while switching it on, which resets the pedal state on several models. If the notes stop when you unplug, clean dust from the pedal base and check that the 6.35mm plug is fully seated.
Final Verdict: Which Sustain Pedal to Buy
Buy the M-Audio SP-2 if you want one pedal that works on whichever digital piano or keyboard you own, because the polarity switch removes every compatibility guess and the review history shows it holds up. Buy the Donner DSP-001 if you want the same approach with a longer cable. Buy the Soraco if pedal weight matters for control, and the Casio SP-20 if you play a Casio and want the heaviest, most planted feel available.
Pick the Yamaha FC5 or the Casio SP3 for portability, and the Imelod if you share a wall and a squeaking pedal would be the dealbreaker. Whatever you choose, check your jack size and contact type first, and if your piano supports half-pedal, treat this roundup as a starting point rather than a final answer.
Whichever instrument you pair it with, our roundups of the best portable digital pianos under 500 and the best premium digital delay pedals cover the two setups these are most often paired with.
