Bazooka SM10A, 10" (25cm) woofer tube active Navy, 100W RMS, 200W MAXImpedance: Dual 2 Ohm, Frequency Response: 35Hz - 85Hz, 28oz. Magnet Sensitivity: 107dB @ 1W/1m, 18dB crossover at 85Hz, high and low input, polypropylene membrane, Quantity: 1 piece, Dimensions (LxWxH): 21 x 12 1/4 x 8 1/2inch