Stereo FET Compressor

The 77X-500 is a stereo 1176 style FET compressor. The 77X can be run linked (via internal battery supply) or unlinked. All other features are the same as the 7X. Mix Knob for juicy parallel compression. Sidechain highpass filter and "all in button". Plus extended Attack and Release knobs.

https://www.gearslutz.com/board/namm-2015/975232-namm-2015-lindell-77x-500-stereo-fet-compressor-500-series-module.html