AVC-4 Automatic Volume Control

Our AVC-4 Automatic Volume Control comprises of 2 of our very popular AVC-2 units, in a 1RU shell.

The AVC-4 is an analogue, stereo automatic volume controller, which means the dynamics of the sound remain the same, whereas compressors alter the sound.


The AVC-4 Automatic Volume Control is an analogue, stereo automatic volume controller, which is designed to control 2 stereo systems. The AVC-4 is 2 AVC2’s in a single 1ru case.

Features include:

A row of 8 LEDs on the front panel show how much attenuation is being held
For added security, a panel fastens to the back panel and is supplied as standard.


  • Distortion <0.01%
  • Noise floor <-90db


Additional information

Product Manual

<a href="/wp-content/uploads/2020/08/Formula-Sound-AVC-4-Manual.pdf" target="_blank">Download</a>

Product Leaflet

<a href="/wp-content/uploads/2020/08/Formula-Sound-AVC-4-Leaflet.pdf" target="_blank">Download </a>


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