12” Sealed enclosure active subwoofer with built-in amplifier - Powerful Amplified Subwoofer - Built with high bandwidth, high output and low distortion 300-watt Class D amplifier mated to high sensitivity woofers specifically optimized for use in small, sealed enclosures. Flexible sound adjustment - User adjustable controls include a LPF, phase control and variable bass boost (0 to +12 dB, 40Hz to 100Hz) providing enhanced control. To expand system flexibility and user control, input gain can be adjusted using the included wired remote bass control knob or via the input gain control mounted on the enclosure side panel. Installation Flexibility - The innovative trapezoid shape of the enclosure is designed for high rigidity and to reduce internal standing waves, while also increasing installation flexibility. Can be installed freely in the cabin or under seats and re-positioned with the subwoofer firing rear, front or upwards for optimal bass tuning. The enclosure is fully carpeted, creating a non-slip, durable and scratch resistant surface. 1,300 Watts Max Power. (350 Watts Nom.) Built-In 350 Watts Output Class-D Amplifier Variable Bass Boost (0 to +12 dB, 40Hz to 100Hz) Wired Remote Bass Control & Gain Control at Side Panel Frequency Response - 20Hz to 125Hz 10ga - 14ga power cable and fuse required (not included) Dimensions - 600mm Wide x 470mm High x 350mm Deep