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Acoustic Audio HD-SUB12-BLACK 12-Inch HD Series Front Firing Subwoofer (Black)

12 front firing long throw Kevlar Cone subwoofer with Aluminum Voice Coil Former
400 Watts RMS and 800 Watts Max built in digital drive high efficiency amplifier producing detailed accurate bass response
Line level and Speaker level inputs
Signal Sensing OnOff switch and bass levelgain control
Advanced RFL Bass Reflex cabinet design using non-resonant high density MDF