Hertz Cento Power CP 4.800 4 Channel Stereo Amp Class D Amplifier 760w RMSCP 4. 800 Ch: 4 3 2 760 W Raise your sound quality bar with the Hertz CENTO POWER CP 4. 800, featuring Hi Res Audio certification for a frequency response from 10 Hz to 41 kHz, delivering sound quality that captures every nuance of your music. This model combines a high power to size ratio with an efficiency greater than 85%, encapsulated in a durable aluminum diecast case for top tier performance and a stylish appearance. This four channel amplifier