The **Hifonics** HFX12D4 12" car subwoofer features a 800 watt peak/400 watt Rms each sub, high excursion rubber surround, large air cooled magnet assembly, high energy magnet and ultra ridged chrome stamped steel basket. The **BOSS R1100M** 1100 Watt Mono Car Audio Power Amplifier offers a MAX output of 1100 watts and an RMS output of 250 watts! This Class A/B amplifier features a MOSFET power supply, an impedance of 2 ohms, a line output, low pass crossover, and an illuminated Boss logo! The BOSS R1100M 1100 Watt Mono Car Audio Power Amplifier is the perfect amp to power your car audio system! Includes 8 Gauge amplifier installation kit! **We are an Authorized Dealer!**