Hopefully someone can help me. I've got an Alpine iDA-X305S headunit but am having trouble figuring out how to wire it up how I need it. I can get it to power up when I switch the ignition and off again. If I reverse the permanent live and the switchable it will turn on when I press the power...

Hi Guys, Just after some pointers really from the ICE guys,, OK Ive just bought a set of vibe QB69 6x9 off ebay new for £48 – I intend on the usual mounting place just under bed. Do I need to enclose that unit with mdf ie around the 6x9s? Also I plan to run them off an old (hardly...