FS: Coleman Audio M3 Monitor Controller

Up for grabs is my excellent Coleman Audio M3 monitor controller. I'm down to just one pair of monitors now, so this has been sitting unused. The Coleman Audio M3 monitor controller allows you to switch between four stereo inputs and three stereo outputs, and control the volume and mute of your speakers and headphones. Features include:


- passive control room signal path, which means it does not alter the sound quality or introduce noise or distortion to your audio.
- uses a four-gang 47-position stepped attenuator that tracks within ±0.05dB, ensuring accurate and consistent stereo imaging at any level
- mono button that sums the left and right channels to a mono signal, which can help you check for mono compatibility.

- headphone output with its own separate volume control, which allows you to monitor your audio privately or independently from the main speakers
- balanced XLR connectors for all inputs and outputs, which provide high-quality and noise-free connections to your audio devices
- 1U rack-mountable design, which saves space and integrates easily with your existing equipment

Has some rack rash and a rack ear that has some wear/bend. Tried to capture the best I could in photos. 400 plus shipping, PP F&F.


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