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Sunfire SDSi-8 Dual Driver Powered Subwoofer 8" delivers powerful bass in a compact design, ideal for small rooms and high-output audio systems. Featuring a custom 8" front-firing driver paired with an 8" down-firing passive radiator, it nearly doubles the output of conventional single-driver subwoofers. Key Features 400W peak output with Sunfire's digital amplifier Dual driver design: front-firing active woofer and down-firing passive radiator 2.4GHz Wireless Kit designed specifically for subwoofer applications Supports up to 2 receivers and subs from a single wireless transmitter Auto turn-on functionality Adjustable level control and crossover (30-150Hz infinite variable) Phase adjustment from 0° to 180° infinite variable Gold-plated RCA inputs and outputs for optimal connectivity Detachable power cord for convenience Elegant black ash finish with black grille Specifications Woofer: 8" custom Sunfire driver Configuration: Front-firing active woofer, down-firing passive radiator Amplifier Power Output: 200W RMS / 400W Peak Crossover Adjustment: 30-150Hz infinite variable Phase Adjustment: 0-180° infinite variable Wireless Kit: 2.4GHz transmitter and receiver designed for subwoofers Connections: RCA inputs/outputs, gold-plated Finish: Black ash with black grille What's in the Box Sunfire SDSi-8 Powered Subwoofer Wireless transmitter and receiver kit Detachable power cord