Not unless you power the empeg through the sled. If there is a connector in the jack on the back of the unit, it assumes it's at home and removes all the 4 channel options.

Is this a hardware or a software issue? If it is software, could this be made overrideable either via emplode, .ini file or empegs menu? Would really be great.
I know I would still have to deal with two problems:
  1. connecting the empeg in the additional sled needed i.e. connecting the power like normally done outside the car, and

  2. connecting the sledīs cables to my stereo, with conversion from 4V to 1V outs.
Anything else?

cu,
sven
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proud owner of MkII 40GB & MkIIa 60GB both lit by God and HiJacked by Lord