ZeroSum

The Colortone ZeroSum is a versatile multi-head rhythmic stereo delay pedal. It features three distinct delay modes: Single Head, Dual Head, and Echo Pong (Ping Pong), each with three switchable rhythmic variations. Additional tone shaping controls include Stereo Spread, Tape Degradation, Delay Drive/Saturation, and a Delay Tone Tilt EQ with adjustable Low-Pass and High-Pass filtering. The pedal also offers Feedback Q control, Output Boost, Tap Tempo, Tap Tempo Multiplier, Three Presets, Expression Control for Speed Multiplier, and MIDI Control (via a 3.5mm TRS Type A connection).