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Alpine W10S4 BassLine Series Single 4 Ohm 500W Peak 10" Subwoofer with Harmony Audio HA-A400.1 Class D Mono 800W Sub Amplifier w/ Bass Remote and ASC DTB-2X10-QUAD-UP Dual 10" Subwoofer Box Enclosure
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Alpine S-W10D4 Car Audio Type S Series Dual 4 Ohm 1200W Peak 10" Subwoofer with Harmony Audio HA-A400.1 Class D Mono 800W SubAmp and Rhino-Coated Standard Universal Single 10" Sub Box Enclosure
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