Impedance (Ohm) D1. DC AUDIO Level 4 12" 1 ohm Dual Voice Coil Subwoofer 1400/2800 Watt NEW. DC AUDIO Level 4 15" 2 ohm Dual Voice Coil Subwoofer 1400/2800 Watt NEW. DC AUDIO Level 4 15" 1 ohm Dual Voice Coil Subwoofer 1400/2800 Watt NEW.
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