Amazon.com: Hifonics BG-4000.1D Brutus Gamma 1 Channel Super D Class 4000 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier with Gravity Magnet Phone Holder Bundle : Electronics
Amazon.com: Hifonics BG-4000.1D Brutus Gamma Monoblock Super D Class 4000 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier & QPower Wiring Kit : Electronics
Amazon.com: Hifonics BG-4000.1D Brutus Gamma Monoblock Super D Class 4000 Watt Subwoofer Amplifier with Bass Remote & HAW12D4 12in Subwoofer 1200 Watt, Dual 4 Ohm, 2.5 Inch Voice Coils Sub Bundle : Electronics
Amazon.com: Hifonics BG-4000.1D Brutus Gamma 1 Channel Super D Class 4000 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier with Gravity Magnet Phone Holder Bundle : Electronics