New DUAL BP1204 12" 1100W Car Audio Subwoofers Subs+Bandpass Box Enclosure Neon - Walmart.com
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Jensen XS10W Subwoofers user reviews : 3.8 out of 5 - 6 reviews - carreview.com
Bandpass Subwoofer box - electronics - by owner - sale
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Bandpass Box
Jensen Xs 1011 Bp Two 10" 300 watt subwoofers & Bandpass Box - $80 (Sunland) | Electronics For Sale | Los Angeles, CA | Shoppok
12" Jensen subs in bandpass box and with 450 watt amp. for Sale in Cincinnati, OH - OfferUp
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10-inch Subwoofers for sale in Decatur, Illinois | Facebook Marketplace | Facebook