ALPINE S2-Series 8" Dual Voice Coil Subwoofer - S2-W8D4 shipping-29.99 the ISUB BMW 4 integrates

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

A unique ventilation system keeps the voice coil cool

Impressive audio control is also available by using the Auto Time Alignment function

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

Pack Benefits

ALPINE S2-Series 8" Dual Voice Coil Subwoofer - S2-W8D4 shipping-29.99 the ISUB BMW 4 integratesALPINE 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