A universal interrupt switcher designed for vehicles having an aftermarket stereo with a 2 or 4 speaker system
The CBM-U4AM is similiar in price to an external speaker, but with far more benefits. An external speaker does NOT mute the stereo or automatically switch to vehicle speakers.
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.
What Our Customers Are Saying
Hi. I just installed the “Wiz” into my wife’s Grand Am and the “Audio Interrupter” and the “TDS15A” into my Mustang Convertible and wanted to share with anyone else who uses two-way radios in their car how impressed I am. Took just over a week delivery time from the US to Canada. Connected it to the radio in my wife’s car. Plays through the driver’s door speaker.
"I also purchased the Audio Interrupt for Ford 2003-2014 to connect another ham radio to my 2007 Mustang Convertible. With the roof down this car is very loud, so I wanted something that would completely mute the car radio audio when I receive messages over the ham radio. Also, I wanted to hear the ham radio through the high quality speakers in the front doors. This product does just that. Three seconds after the ham radio audio is finished the car radio audio comes back on. The ham radio audio that comes through the front door speakers has a clarity that it has never exhibited before. It sounds awesome."
"I recently purchased and installed the VHF-U4 on my sailboat. It is a great product and works exactly as advertised. The installation instructions were about as fool proof as they could be." Three seconds after the ham radio audio is finished the car radio audio comes back on. The ham radio audio that comes through the front door speakers has a clarity that it has never exhibited before. It sounds awesome."