ALPINE S2-Series 8" Dual Voice Coil Subwoofer - S2-W8D4 shipping-29.99 The Integration range is synonymous

The Integration range is synonymous not only with ease of installation but also and most especially

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yet handle the power needed to drive your bass-heavy tracks with authority

the ISUB BMW 4 integrates directly into the factory subwoofer locations while maintaining the original appearance of the vehicle

It features a 16 x 24cm door woofer as well as an integrated tweeter with up to 40kHz frequency response

ALPINE S2-Series 8" Dual Voice Coil Subwoofer - S2-W8D4 shipping-29.99 The Integration range is synonymousALPINE S2 SERIES 8" DUAL VOICE COIL SUBWOOFER S2 W8D4 Enhance your sound systems performance with the remarkable S Series S2 W8D4 8 Subwoofer. This exceptional subwoofer has undergone a complete redesign, resulting in a product that delivers a level of bass power and reliability that was once reserved for higher priced models. This subwoofers standout feature is its formidable 8 inch driver, meticulously crafted to generate an astounding amount of air