I noticed somewhere that the next version will have a mute input (for cell phones, ham radio, etc.) but my JBL Gti 360 amp has a mute input (+5-13vdv)and I suspect some others have them as well. So, take a look at your amp specs if you need that feature. If you absolutely need such a feature, most any good mobile tech can set you up with an external mute relay (in the audio signal not the power.)


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