M-Audio SP-2 vs Roland DP-10

The M-Audio SP-2 is the pedal most people buy first, and the r/piano thread backs it: one comment calls it "a good inexpensive option if you don't need a continuous (not just on/off) pedal." At about $25 with nearly 30,000 ratings, it is the default answer for anyone who just wants sustain to work.

It is a traditional piano-style pedal with a chrome foot plate, a heavy duty mechanism, and rubber pads underneath that grip the floor instead of sliding. A polarity switch on the housing handles either wiring convention without guesswork. It ships with a 6 foot cable ending in a standard 1/4 inch jack.

It is a switch pedal only, sustain is either fully on or fully off, so a half-damper input gets nothing extra from it. It feels lighter underfoot than the pedals above it, and the fixed 6 foot cable is short for a stacked or raised rig.

The Roland DP-10 is the pedal the r/piano thread's most specific recommendation pointed to: "I would go with a roland, its got the closest feel that ive experienced." At about $51, roughly double the SP-2 and slightly ahead of the FC4A, it is built as a real-feel continuous pedal rather than a simple switch.

It ships with a non-slip rubber plate built into the base, which Roland calls out for hardwood or slip-prone stages, and an extended 2.2 meter cable for setups with keyboards stacked on stands. It is full and half-damper compatible, so it reads continuous pressure on a supporting keyboard and still works as a plain switch pedal on anything else.

Half-damper response is only useful on a keyboard built to read it, and plenty of controllers and stage pianos treat it as a basic on/off input regardless of what the pedal sends. At roughly double the SP-2's price, you are paying for a feature a lot of setups will never use. It is also heavier and bulkier than either pedal below it.