If you need to quickly add bass to a system but don't have much space or height to make it happen? Then the PS-8 is a perfect candidate! The PS-8 features a Punch 8” subwoofer in a custom sealed enclosure and is powered by a mighty 150 Watt amplifier. The system is all-inclusive, so you only need to run power, ground and a signal from the source to get this baby moving. Features a durable exterior that resists scrapes and bumps while in the trunk or cargo area. "Closed-loop" design ensures optimum performance between woofer, amplifier and enclosure 150 Watt Class D Amplifier and 8" Shallow Woofer Adjustable 12db/Octave low pass crossover Built-in adjustable bass boost EQ Remote bass level control included Hi-level/low-level inputs Built-in 0°/180° phase switch Remote/DC Offset/Signal Sense turn on select Short circuit, thermal, and reverse polarity protection Quick disconnect power and signal connections Includes all power, ground, and turn-on wires Includes mounting hardware 1 Year Warranty Power Handling (Watts RMS) - 150 Watts RMS Enclosure Type - Amplified Enclosure Material - Cast aluminum w/ ABS backplate DimensionsBox (H x W x D)Wedge (H x W x D1 x D2) 14.4 x 9.4 x 3.3 (in)36.5 x 23.8 x 8.3 (cm) Frequency Response - 25Hz to 150Hz Integrated Amplifier - 150 Watts RMS Crossover Controls - Variable 50Hz to 120Hz @ 12dB/Octave Butterworth Tone Controls - Gain & Bass Boost Signal Input Low-Level: 1 RCA PairHigh-Level: Left/Right Summed Inputs Woofer Size - 8" Power Wire Gauge - Included Heat Sink Type - Cast Aluminum Cooling - Convection Circuit Topology Class - Class-D CEA-2031 Compliant CEA-2006 Compliant