Canvas Expression

Each analogue output can run as expression, switch, or control voltage. Expression modes cover TRS, RTS, and TS with automatic wiring detection, selectable tapers, and sweep direction. Switch mode supports momentary or latching operation; CV ranges include 0–3.3 V and 0–5 V.

MIDI can send up to 16 assignable CC and PC messages per MIDI output, with high-resolution 14-bit USB MIDI. Configuration and firmware updates use the Canvas Expression web editor at canvasexp.walrusaudio.io.

Released in 2026, the pedal uses a contactless magnetic position sensor without strings, gears, or potentiometers. Listed size is 225 × 91 × 48 mm and weight is 2.2 lb, with adjustable treadle drag and a limited lifetime warranty.