Vibe Black Air 12" Dual 2 Ohm Subwoofer BLACKAIR12D2-V7 - 12v Electronics
NEW VIBE AUDIO SPACE15D2-V4 SPACE SERIES 15" DUAL 2 OHM SUBWOOFER 3600W 1200 RMS | eBay
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Vibe 12" Pulse CBR High Output Sub Box | Halfords UK