Rockford Fosgate P300-10 Single 10 300 Watt Powered Active Subwoofer. The P300-10 powered subwoofer is an “all-in-one” solution when adding bass to a factory system or just to save space. This model features a 10 subwoofer in a sealed enclosure powered by an internal 300 watt amplifier. If you need to quickly add bass to a system or want to alleviate the hassle of separate amplifiers and subwoofers, then the P300-10 is the right one for the job! The P300-10 features a Punch 10 subwoofer in a custom sealed enclosure and is powered by a mighty 300 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. Built-in 0°/180° phase switch. Separate low level and speaker level inputs. Built-in adjustable bass boost EQ. Adjustable 12db/Octave low pass crossover. Intelligent auto turn on/off function. Thermal and over voltage protection. High-efficiency, low current design. Remote bass level control included. Proprietary high output woofer. Constructed with 5/8 MDF. Large AWG input terminals. Covered with industrial heat activated vinyl. Nominal Impedance (ea): n/a. Enclosure Material: 5/8 MDF (Medium Density Fiberboard). Frequency Response: 35Hz to 150Hz. Integrated Amplifier: 300 Watts RMS. Tone Controls: Gain & Bass Boost. Signal Input: Low-Level: 1 RCA Pair High-Level: Left/Right Summed Inputs. Power Input Connector: Removable Connector Power/Ground/Remote. Power Wire Gauge: 8 AWG. Heat Sink Type: Extruded Aluminum. Visual Indicators: Power Protect. Circuit Topology Class: Class-D. Box (H x W x D). Wedge (H x W x D1 x D2). 13.3 x 18 x D1 8.9 – D2 5.9 (in). 33.7 x 45.72 x D1 22.6 – D2 14.98 (cm).