Don’t be a fool by throwing away this manual! Grab a couple brews, sit on your butt & READ THIS! You will NOT be able to set this amplifier properly unless you thoroughly understand the sophisticated pre- amp section of the amplifier. You are now the owner of what may be the finest car audio amplifier ever made. Please read this manual in its entirety. These brand new,
REF1.500 REF2.370 REF4.400
REF1.1000 REF2.640 REF4.760
REF4.920