Im running a kenwood KAC-9102D, which is 850w rms x 1 @ 2 ohms to 2 infinty 1230w's which are 350w rms. My deck is a pioneer P8mp, which has 5v preouts I beleive. Im not sure if i Set the gain at 1 (standard) does that mean the amp will put out 850w RMS, and if i set it at 0.5 the amp will put...