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Alpine R2-SB12V 12-inch R-Series Halo Preloaded Subwoofer Enclosure – Audio Design
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Amazon.com: Alpine Type R 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer (2 Pack) : Electronics
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Alpine R-Series 12" Halo Subwoofer Enclosure - R2SB12V | Abt
Alpine R2-W12D2 R Series 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine RS-W12D4 | Pacific Stereo
Alpine Pre-Loaded S-Series 12" Subwoofer Enclosure - S-SB12V
Alpine R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure - Creative Audio
Alpine SWE-1242 Type-E 12" 4-ohm subwoofer at Crutchfield
Alpine Type S SWS-12D4 12 Inch 1500 Watt Max 4 Ohm Round Car Audio Subwoofer - Walmart.com
Best Buy: Alpine S-Series 12" Dual-Voice-Coil 4-ohm Subwoofer Black S-W12D4
Amazon.com: Alpine S-W12D4 S-Series 12" Dual 4-Ohm Subwoofer : Electronics
Alpine RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils - Creative Audio
Alpine SW12D4 12" Subwoofer Dual 4 Ohm Coils 600 Watts RMS/1,800 Watts Peak | BrandsMart USA
