This subwoofer enclosure fits into the hub of your spare tire for a super easy installation and out of sight sound solution. The 11 (279mm) feather-light fiberglass woofer cone with. JBL STADIUMBASSHUB 1-11 Loaded Spare Tire Subwoofer Enclosure with JBL Club-A6001A 600 Watt Mono Amplifier & Wiring Kit.STADIUMBASSHUB - The 11 (279mm) woofer cone is engineered to deliver fast and tight, deep bass with low distortion and virtually no unwanted second and third order anomalies. STADIUMBASSHUB - The subwoofer is designed with 2.5 dual 4-ohm voice coil which offers more wiring options with amplifiers. Club-A6001A - The JBL Club A6001A amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited. Club-A6001A - Speaker-level and low-level inputs allow the Club A6001A to integrate with both aftermarket and factory car stereo systems. The 11 (279mm) feather-light fiberglass woofer cone with rubber surround delivers the signature kick and punch of JBL bass. The subwoofer enclosure is designed with excellent density and strength die-cast aluminum material for more stable low end extension performance. Whether you're cruising or competing, the JBL Stadium BassHub leaves the competition behind without missing a beat. (64mm) Impedance: Dual 4 ohms Dimensions (D x H): 14-3/16" x 6-1/2" (D360mm x H165mm) JBL CLUB-A6001A High performance mono subwoofer car amplifier Technical specifications: Mono subwoofer car amplifier 350 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms) Class D amp technology Variable low-pass filter (32-320 Hz, 12 dB/octave) Variable bass boost (0-12dB at 45Hz) Phase switch (0, 180 degrees) Preamp and speaker-level inputs 8-gauge power and ground leads recommended - wiring and hardware not included with amplifier W x H x D = 220mm x 51.3mm x 180mm W x H x D = 8-11/16" x 2-1/16" x 7-1/8.