Comm-biner Harvest09/29/2014 The Comm-biner is a handy stereo audio interface from Tony Smyles that combines production and walkie talkie audio into a single headphone feed. V2 introduces a new chassis and DIP switch, which allows the user to choose whether to feed the walkie audio to the left, right, or both channels.Also available in a dual variation, which can be used with two walkies simultaneously. Read more about Comm-biner Harvest 0 comment Share Tweet