Wiring Kit - 30 Ft Speaker Wire, 20 ft. 8 GA Red Power Cable, 16 ft. 18 GA Blue Turn-On Wire, 3 ft. 8 GA Black Ground Cable, Competition Quality Fuse Holder with AGU Fuse Wiring Kit Continued - 10 5/16" and 1/4" Ring Terminals, 6 ft. Split Loom Tubing, 3 Rubber Grommets, 20 4" Wire Ties, 20 ft. High Performance blue RCA (TRCA) Interconnect Amplifier Power - 1100 Watts Max x 1 @2-Ohms, 550 Watts Max x 1 @4-Ohms Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction Switchable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it Specs - Dimensions: 9.1” x 10.4” x 2.3”, Weight: 4.4 lbs. Warranty - BOSS Audio Systems provides a Powerful 6 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality