The Listen Four Quarters is a four channel low-noise mixer with stereo 1/4″ TRS balanced outputs, and an 1/8″ headphone output. Two mono channels with Pan knobs, and two stereo channels with dual inputs provide optimal compatibility with both stereo and mono signals.

Level knobs and signal lights per channel
Two channels with stereo inputs (L/R jacks), with left jack normalized to right jack
Two channels with mono inputs and Pan knob
Main Level knob, signal and clipping LEDs
Headphone jack and Level knob
Switch to select Balanced outputs or Stereo (TRS)
Zero-impedence true line-level balanced circuit minimizes noise when running low-grade or extra long cables to powered speakers
Ultra-low noise, typical -100dB signal-to-noise ratio in real world tests. Virtually no background noise or hiss, quiet pots, and smooth panning curves.
The Listen Four Quarters can be daisy-chained to other Listen modules and/or the WAV Recorder.