So at the moment I have a Yamaha rx-v371 as my main reciever with the coax subwoofer out going to a Pyle pta-1000. From there I have that one channel hooked into the Polk car sub. the Polk is a DXI 1240dvc and rated for 360 watts rms and 720 watt peak at 4 ohms. The Pyle will send out 500 Watts...