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Amazon.com: Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure : Electronics
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Amazon.com: Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure : Electronics
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Alpine R2-SB12V 12" R-Series Halo Loaded Sub Enclosure w/ Alpine S-A60M S-Series Mono Amplifier 600W RMS & Wiring Kit - Creative Audio
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2) Alpine W12S4 12" 1500W Car Audio Subwoofers + Sealed Sub Box Enclosure | eBay
Alpine 12" Dual-Voice-Coil 4-Ohm Subwoofer Black SWS-12D4 - Best Buy
Alpine SWA-12S4 BassLine Series 12" 4-ohm subwoofer at Crutchfield
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Amazon.com: Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure : Electronics
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Alpine Type-S SWS-12D4 1500 Watt Peak 12" Car Audio Subwoofer + Sealed Enclosure | eBay
Amazon.com: Alpine R-W10D4 Car Audio Type R Series Sub 1500W Peak 10" Subwoofer Bundle with Harmony HA-A400.1 Amplifier & Amp Kit : Electronics
