i have a friends that wants to sell me a sony XM-7547......... it says that it is the mobile es or some thing on the amp it is a older sony which i think are the better ones????? it is 4 channel are these amps any good it also has hi-current(0.5-2.0 ohm) and hi-voltage(2.0-8.0ohm) modes
i will be bridging the amp to 2 channel stereo
the subs are 2 12" dvc overdrives 1200 watts max each 400rms each
i know i know it is a sony but for a sony is it any good???