CBM-U4AS

A universal interrupt switcher designed for vehicles having an aftermarket stereo with a 2 or 4 speaker system

The CBM-U4AS  has far more benefits than an external speaker which does NOT mute the stereo or automatically switch to vehicle speakers.

$99.95

Designed and manufactured in the USA.

Use with the TDS-15A Transmit Detector Switch to be able to transmit messages for an additional $59.95.

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Need assistance?

Contact us today at info@audiointerrupt.com or call us at 1-858-349-4918.