Dynamic Mic Compressor Circuit Electronic Dynamic Mic Compressor Circuit Electronic. Supply voltage for this Dynamic Mic Compressor circuit must be 12 Volt. Highly recommended to use its own power supply, do not use a shared power supply from another electronic circuit module. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest