CAR STEREO AMP & SUBWOOFER ?

Alpine CDE-112Ri CD / USB And iPod Car Stereo. Fusion FE-402 Amp 2-Ohm Stable Operation Gold Plated RCA Inputs/Outputs FUTRANZ Efficient Heat Sink Design Technology F.I.S.T Fusion Intercooled Semi-Conductor Technology FRAT Fusion Regulated Amplifier Technology Variable Subsonic Filter 20 Hz - 55 Hz Variable HP and LP Electronic Crossover 18dB/Oct 4-AWG Power/Ground Connections Damping Factor > 200 Military Spec Componentry CHANNELS: - 2 FREQUENCY RESPONSE: - 5 - 38,000 Hz POWER: - 2 x 70W RMS 2 Ohms - 2 x 50W RMS 4 Ohms - 1 x 140W RMS Bridged 4 Ohms STABLE TO: - 2-Ohm Stereo - 4-Ohm Mono Plus a 12" extreme subwoofer& all electrical leads THIS WHOLE KIT PUMPS HARD & LOUD YOU WILL NOT BE DISAPOINTED £320 ONO