pioneer gm-d8701

Hi everyone, I currently have pioneer gm-d8701 mono block wired to TS-D12D4 , connected @2 ohms , sub is 600 rms and the amp output is 500 rms output at 2 ohm I have a pioneer Dmh-z5350bt headunit running the stock speakers in a mercedes w211, the headunit output 22 watts continues and 50...