RW8D2 Echo Series 8 Inch 400 Watts Power Dual 2 Ohm Voice Coil, 2" Black-Coated 4 Layer High Temperature Voice Coil, Competition Grade Pressed Paper Cone, Car Audio Subwoofer - Recoil Audio
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Amazon.com: Blaupunkt 8-Inch Single Voice Coil Subwoofer with 400W Power : Electronics
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