The 46CXA400.1 400-Watt Class D Monoblock Subwoofer Amplifier CX Series Amplifier reaches large power levels thanks to optimized circuit layout and top-grade internal components. High efficiency heatsink keeps amplifier cool with a sleek look. The mono amplifier provides optional remote level control and allows you to adjust bass directly from the dashboard. The Power PackCX Series Mono Amplifier provides 1 ohm stability and provides more power and wiring options for your system. Using efficient Class D power, the CXA400.1 features variable bass boost with KickEQTM and provides an additional 6 dB bump by simply rotating the optional CXARC remote base controller. It comes with a powerful 12dB crossover and 24dB subsonic filter to adjust the system quickly and perfectly. Complete your system by extending your system with other bass or full-range amplifiers using a full range output. The CX.1 amplifier accepts speaker level input signals up to 40 volts (400 watts). This kind of flexibility optimizes the need for a line-out converter and sound quality at the same time. Expand your system with a full-range RCA pass-through output, and choose either "standard" mount or cool vertical mount with included hardware. CX.1 amps provide 400 watts of power to a single bus channel. Features: Efficient Class D Amplifier Eliminates turn-on/off delay for 3 seconds to eliminate unwanted interference. The fence variable 12dB crossover controls the dial with perfect sound. KickEQTM 6dB variable bass boost supports low frequency. 24dB subsonic filter protects from potential damage frequencies FIT+TM (Fail-Safe Integration Technology-PLUS) works with almost any radio. Supports input signals up to 40 volts. Small footprint for easy installation CXARC (link to remote) Remote Base Control Includes Vertical Mounting Hardware For Other Unique Look Includes: 46CXA400.1 Amp Mount Hardware Owner Manual Specifications: Power (watt/ch)