4ms Listen Four
Professional four-channel stereo mixer with sub-mix capabilities
10 HP Eurorack module
The Listen Four is a four-channel stereo mixer designed for both studio and live performance applications. It combines two mono channels with pan controls and two stereo channels, offering pristine audio quality with zero-impedance outputs capable of driving long cables and professional equipment.
Features
- Zero-impedance line driver outputs
- Anti-pop circuitry
- Daisy-chain capability for larger mixers
- Independent headphone output with level control
- Visual signal and clipping indicators
- Sub-mix outputs via daisy-chaining
- WAV Recorder integration
- Adjustable clipping light threshold
Controls & Jacks (23)
- Level 3— Volume control for Channel 3 (stereo input)
- Level 4— Volume control for Channel 4 (stereo input)
- Level 2— Volume control for Channel 2
- Ch1 Input— Mono audio input jack for channel 1.
- Ch2 Input— Mono audio input jack for channel 2.
- Ch3 Left Input— Left audio input jack for channel 3 (stereo pair).
- Right Out— Right channel of the main stereo output.
- Main Level— Master volume control for main outputs
- Mod/Line— Switch jack that selects between modular level and line level for the outputs.
- Level 1— Adjusts the volume level for channel 1.
- Ch4 Right Input— Right audio input jack for channel 4 (stereo pair).
- Left Out— Left channel of the main stereo output.
- Ch4 Left Input— Left audio input jack for channel 4 (stereo pair).
- Ch3 Right Input— Right audio input jack for channel 3 (stereo pair).
- Pan 2— Stereo positioning for Channel 2 mono input
- Pan 1— Sets the stereo pan position for channel 1.
- Headphone Level— Adjusts the volume of the headphone output.
- Output LED R— LED indicator showing signal level on the right main output.
- Ch1 Signal— LED indicator showing signal presence on channel 1.
- Ch2 Signal— LED indicator showing signal presence on channel 2.
- Ch4 Signal— LED indicator showing signal presence on channel 4.
- Ch3 Signal— LED indicator showing signal presence on channel 3.
- Output LED L— LED indicator showing signal level on the left main output.
How-To Guides
- Basic Four Channel Mix
- Daisy Chain Expansion
- Independent Headphone Monitoring
- Professional Line Output Setup
- Clipping Light Calibration
- Direct Recording Setup
- Creative Stereo Field Design
- Live Performance Configuration
Explore the interactive Listen Four panel on BleepDex — tap any control to learn what it does.