hi
i have 4ch Pioneer GM-A6704 amplifier (datasheet) and going to wire it in Bridged mode :
http://www.caraudio.com/forums/asset.php?fid=26548409&uid=1048722&d=1502947385
channel B : to subwoofer
channel A to other speakers which are:
front doors: 2 components speakers 30W RMS 4ohm...