Korg XVP-20 expression/volume pedal - rubberized surface, individual adjustment of pedal mechanism and volume, stereo in and out connection, material aluminum, dimensions 90 x 268 x 62 mm, weight 1,3 kg
Moog Moogerfooger EP-3 - expression pedal with external output and level control which adjusts the range of the pedal effect (sweep the full or limited spectrum). Weight: 2.55lbs.
"Boss EV-30 Dual Expression Pedal - works with 6,3 mm TRS expression inputs on stompbox pedals, multi-effects, keyboards, MIDI controllers, and more, polarity switch provides compatibility with most devices that support..."