2-to-4 channel adapter for standard / radio only wiring premium wiring For radios using a dash-mounted

For radios using a dash-mounted fader control

Just tap into the white wire on your radio harness behind the radio opening

com to confirm your radio model is supported

and we've got you covered

This is the OEM mounting hardware needed for the factory Blaupunkt QuadroBoost trunk amplifer

2-to-4 channel adapter for standard / radio only wiring premium wiring For radios using a dash-mountedExactly equivalent to BMW part number 65 12 1 379 329. Plugs into fader connector of a 2 channel standard radio only audio system. With this adapter you can run an OEM 4 channel radio like the CM5908 or KE83 ZBM without a trunk amplifier in a car with 2 channel radio only wiring. Also compatible with Amp+ if your car has 2 channel standard radio only wiring.