Check the listing for details. Source Audio Dual Expression Pedal. Condition: New. Listed at 119.00 USD. Source Audio SA161 Dual Expression Guitar Pedal Description The Source Audio Dual Expression Pedal delivers precision response and smooth action in a durable cast aluminum housing. Dual TRS expression outputs make it possible to control two effects units simultaneously. The pedal is compatible with any model or brand of effect that features a TRS expression input. The Range Adjust Knob sets the bottom point of the expression range. Plus, a special Sensor Output connects directly to any Hot Hand, Soundblox, Soundblox 2, or Soundblox Pro pedal for real-time control over filter sweeps, effect modulation, LFO speeds, wet/dry mixes, drive levels and more. Features Two Isolated TRS Expression OutputsSensor OutputRange Adjust KnobRugged, cast aluminum housing.Includes one 1/4 inch TRS connector cable and one 1/8 inch four conductor Sensor Output cable Attributes Color (X): BlackEffect Type (X): ExpressionInput (X): MonoOutput (X): Stereo