Focal ISUB BMW 4 Subwoofer - Factory Subwoofer Upgrade Compatible with Select BMW Models

Subwoofer 4 ohms ISUB BMW 4 is a subwoofer that delivers powerful bass, thanks in part to its neodymium motor, a high-performance Focal technology. With the ISUB BMW 4, sound is natural and installation quick, thanks to the spacer integrated into the chassis, which allows perfect integration into original locations. Thanks to its 4 Ohms impedance, it's ideal for use with your original amplification. Key points: Quick installation No wires to cut, no modifications 100% compatible with your vehicle Superior sound quality Mounting accessories included Specifications: Type Subwoofer Diameter 8" (200mm) Impedance 4Ω Max. Power 180W Nom. Power 90W RMS Sensitivity (2.83 V/1m) 83dB Frequency response 35HZ - 200Hz