Overview The Punch PS-8 is a self-contained amplified subwoofer system featuring a single Punch 8" driver in a sealed enclosure and a built-in 150 watt amplifier. Features "Closed-loop" design ensures optimum performance between woofer, amplifier and enclosure 1 Year Warranty 150 Watt Class D Amplifier and 8" Shallow Woofer Adjustable 12db/Octave low pass crossover Built-in 0 deg/180 deg phase switch The Kaos Kaos Fitment and Install Note This audio product is sold with real-world support from Kaos Offroad. Side-by-side, marine, truck, and powersports audio builds need the right match between speakers, subwoofers, amplifiers, wiring, enclosure design, and tuning. If you are building a Polaris RZR, Can-Am X3, Ranger, Defender, truck, or boat system, message Kaos Offroad before you order and we can help confirm the right setup. Run Down Manufacturer SKU: PS-8 Product Type: Subwoofer Enclosure Audio Type: Subwoofer Enclosure RMS Watts: 150 Amplifier Class: Class D