TXXBDC115 Audiopipe. Subwoofer 1600W, Dual 4 Ohm Car Subwoofer. 15" Dual 4 ohm TXX-BDC1 Series Subwoofer. Nominal Impedance: Dual 4 Ohm. Nominal Impedance: Single 4 -Ohm. Sensitivity: 90dB /watt at 1m.
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