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Sunfire SDSi-10 Dual Driver Powered Subwoofer 10" Experience powerful, deep bass with the Sunfire SDSi-10 dual driver powered subwoofer. Featuring a 10" custom Sunfire woofer paired with a 10" down-firing passive radiator, this subwoofer delivers a peak power output of 500W for immersive movies and music. Key Features Dual 10" drivers: front-firing active woofer and down-firing passive radiator for enhanced bass response 500W peak power output with 250W RMS using Sunfire's energy-efficient Class D amplifier FFDTM technology for superior fidelity, higher output, and lower distortion Soft clipping circuitry to protect speakers and maintain sound quality Auto turn-on feature for convenience Adjustable level control and crossover (30-150Hz infinite variable) Phase adjustment from 0-180° infinite variable Gold-plated RCA inputs and outputs for optimal connectivity Detachable power cord for easy setup and maintenance Elegant black ash finish with black grille Wireless Kit The optional 2.4GHz wireless kit is specifically designed and tuned for subwoofer applications. It includes a wireless transmitter and receiver, allowing you to connect up to two receivers and subwoofers from a single transmitter for flexible placement without cables. Specifications Woofer Size: 10" Configuration: Front-firing active woofer, down-firing passive radiator Power Output: 250W RMS / 500W Peak Crossover Adjustment: 30-150Hz infinite variable Phase Adjustment: 0-180° infinite variable Inputs: RCA inputs/outputs Finish: Black ash Grille Colour: Black