Focal Inside Isub BMW 4

The Focal Inside ISUB BMW is a premium 8-inch plug-and-play under-seat subwoofer engineered specifically for BMW and MINI vehicles. Rated at 90W RMS and 180W peak power, it features Focal's Polyglass cone, a powerful neodymium motor, and a butyl surround for deep, accurate bass with excellent reliability. Designed to fit factory mounting locations without modification, the ISUB BMW delivers powerful low-frequency performance while preserving your vehicle's original interior.