This bundle features the JBL CLUB-A6001A High-performance mono subwoofer car amplifier and the JBL CLUB1200SSLSINGLE 12” Thin Subwoofer Enclosure with Passive Radiator. The JBL CLUB-A6001A amplifier delivers 600-Watts RMS power using Class D technology. It includes speaker-level inputs, low-pass filter, variable bass boost, and phase switch for optimal subwoofer performance. The package contains the amp, bare wire-to-RCA adapters, remote bass control module, and more. Technical specs: 350W RMS x 1 at 4 ohms, 600W RMS x 1 at 2 ohms, and 8-gauge power and ground leads recommended. Dimensions: 8-11/16" x 2-1/16" x 7-1/8". The JBL CLUB1200SSLSINGLE Subwoofer Enclosure features a 12” aluminum driver, 400W RMS power handling, and a down-firing sealed enclosure with a passive radiator for tight, accurate bass. It comes with a logo badge, 4 plastic feet, screws, and a quick start guide. Technical specs: Sensitivity 85dB, Frequency Response 30Hz – 400Hz, Nominal Impedance 2 ohms. Dimensions: 14-5/8” D x 27-5/8” W x 4-7/8” H. Great for space optimization and high-quality bass performance in your vehicle.