Product Dimensions | 10.44 x 8.15 x 2.79 cm; 358.34 g |
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Item model number | ASP1 MKII |
Colour Name | Black |
Connector Type | Midi |
Hardware interface | 1/4-inch Audio |
Item Styling | Midi |
Signal format | Analog |
Material Type | Plastic Rubber |
Power Source | Corded Electric |
Voltage | 1 Volts |
Wattage | 1 watts |
Item Weight | 358 g |
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Alesis ASP-1 MKII Universal Sustain Pedal and Momentary Footswitch with 5ft Cable and Non Slip Bottom
Purchase options and add-ons
Brand | Alesis |
Style | ASP-1 MKII |
Colour | Black |
Product Dimensions | 10.4L x 8.2W x 2.8H Centimetres |
Item weight | 0.79 Pounds |
Voltage | 1 Volts |
Amperage | 100 Milliamps |
Controls type | Touch |
Power source | Corded Electric |
Hardware interface | 1/4-inch Audio |
About this item
- Portable and compact sustain pedal / momentary footswitch expands the expressive control of Electric Keyboards, Pianos, Synthesizers, MIDI Controllers and more
- Flip the Polarity switch for universal compatibility with any instrument with a 1/4-inch sustain or momentary footswitch input for versatile control
- Sturdy non-slip bottom and footpad keeps the pedal secured in place delivering a reliable performance every time - ideal from the stage to the studio
- Equipped with a fast-acting, durable mechanism to deliver an immediate response
- 5-foot (1.5m) hardwired cable with 1/4-inch (6.35mm) plug is ready to go, for straight out-of-the-box use
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Product information
Technical Details
Additional Information
ASIN | B09SGQ1DZ7 |
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Customer Reviews |
4.3 out of 5 stars |
鶹 Rank |
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Date First Available | March 20 2022 |
Manufacturer | inMusic Brands Inc. |
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Product description
The Alesis ASP-1 MKII is a compact, sturby and universally compatible sustain pedal. This low-profile portable pedal features a polarity switch that expands the expressive performance of almost any electronic keyboard, synthesiser, or tone module that requires a non-latching momentary switch.
Top Brand: Alesis
From the manufacturer

Hard wired cable
5ft cable with ¼ (6.35mm) plug delivers a secure, reliable performance straight out of the box
Built-In Polarity Switch
Universal compatibility with virtually any instrument including Electric Keyboards, MIDI Controllers and Digital Pianos
Non-Slip Pedal Base
Sturdy non-slip base and footpad keeps pedal secure


Q&A
Q: How can I tell if my Keyboard/Controller is compatible?
A: Compatible Keyboards/Controllers will feature a 1/4" (6.35mm) TS 'Sustain' input, typically located on the rear. If there is no sign of functionality, be sure to adjust the polarity switch located on the side.
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Customer reviews
Reviews with images

Top reviews from Canada
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Reviewed in Canada on February 19, 2025Verified Purchasestable et la chaussure ni glisse pas tout en ayant une grande surface. Son ok
- Reviewed in Canada on November 22, 2024Verified PurchaseIt sounds nice. It looks nice. It feels nice. It is made of metal, it feels sturdy. It feels like I can stand on the thing all day and it be fine. I bought this for at-home use as a sustain pedal for my main MIDI keyboard. Which is also an Alesis. This brand is prices oh so nicely for the equipment they sell. Yeah it takes a bit more 'stepping' force to press/hold down. But I feel that it was designed with the fact that people would like to bring this places with them, maybe even for professional musicians performing at venues where durability is actually a serious factor. But they priced it at the point of other pedals which may 'appear' similar 'looking' in photos, but are actually made of plastic and are good pedals if you never take them out of your home.
- Reviewed in Canada on September 6, 2022Verified PurchasePurchased this pedal as an addition to my daughter’s electric piano. She complains that it has a very stiff mechanism and very hard to press. For an adult it will be great, but not for a child. Decided to keep it cause tge price is reasonable and build quality is great.
- Reviewed in Canada on December 12, 2022Verified PurchaseIt's an ON/OFF switch for your foot/fingers that's not bigger than it has to be. (I'm just using it with the Alesis SR18drum machine so I have no input to add regarding the sustain function some may need to know about) The pedal also comes with a small toggle switch in case you want to place it on a music stand or on a table for your fingers. Solid metal coated with grippy durable looking rubber completely covers both sides.
Now if I can just remember to step on it!
- Reviewed in Canada on April 18, 2023Verified PurchaseCan be used with a Boss looper, which requires a normally closed switch. This is selectable between n/o and n/c. It is heavy duty so you won't break it and feels good under foot. Heavy enough that it doesn't slide around when stepping on it No iffy switching... It works. Good long cord.
- Reviewed in Canada on October 26, 2024Verified PurchaseThe media could not be loaded.
- Reviewed in Canada on November 14, 2022Verified PurchaseWorks as it should with our drum machine. Far better built than the Yamaha pedal we use for start stop function.
- Reviewed in Canada on September 10, 2022Verified PurchaseFirst impressions: I tried it out on hardwood and it's not really "non-slip" since the entire pedal lifts up from the floor which I find very annoying. I thought I would like the low profile of the pedal but I think I may have to return this. Will test it out further but will most likely return since it came in a box that was wrapped in layers of tape and was clearly used.
Top reviews from other countries
- R. KenigerReviewed in Australia on February 29, 2024
5.0 out of 5 stars Solid and practical. Works well.
Verified PurchaseThis pedal is nice and weighty and looks and feels high quality. The polarity switch is good to have. When I press the switch, my MIDI keyboard sustains. Great stuff.
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RafaelReviewed in Mexico on March 24, 2025
5.0 out of 5 stars Confort y funcional.
Verified PurchaseFunciona a la perfección. Es muy cómodo.