Also, they’re just 2″ speakers, nothing special. Q) Can I replace the head unit? A) Yes, and it’s easy, too. There are two connectors on the back of the double-DIN unit, but only the larger one (on the left, looking at the back of the unit) is used. Once you’re familiar with the internal bits, you should be able to remove the head unit without touching the trim — I can pull the head unit in about 30 seconds! Specifics about NB OEM Double-DIN Bose Audio Systems Q) Can you tell me more about this unit? A) The head unit is similar to the Non-Bose. This is a 7 channel amplifier, 11 speaker system. The 4M32 looks similar to the 1M32, but does not have the switch to enable 4-channel mode.
Also, they’re just 2″ speakers, nothing special. Q) Can I add a CD Changer? A) Yes, the Mazda in-dash 6-CD changer is a modular component and works fine with this head unit. Car Stereo Removal Guides Troubleshooting NO AUDIO for Fiber Optic Audio Systems up to 2002. Mercedes Benz Car Stereo Removal Keys Mercedes Benz Stereo ServiceAlpineCM1010 / A203 820 10 86CM1910 / A208 820 11 86BeckerBE4410 / BE6021 «PROD» displays on screen of stereo after 10-20 seconds? Just stick them into four holes on each side (skip one of the two that are right near each other) and the clip holding the radio in place will release. The head unit has speed-sensitive volume control with three settings for top up and three more for top down. The tuner box should be sent for repair along with ALL SL Series W140 Bose amplifier for bench testing.
The doors are NOT pre-wired for tweeters, sadly. The Bose amp is rated to 100 Watts per channel driving .5 Ohm speakers. Early reports are not positive, however, and claim that the speakers are barely audible. Q) Can I add a CD Changer? A) Yes, the Mazda in-dash 6-CD changer (part number GJ6D-79-EGX) is a modular component and works fine with this head unit. Here’s how to remove the trim: Unscrew the two screws at the bottom.