Alpine S2-A55V 540W RMS 5-Channel Car Amplifier w/ Amp Kit
540W RMS S-Series Class-D 5-Channel Amplifier + NVX 4 Gauge 6-Channel Wiring Kit. 540W RMS Class D S-Series 5 Channel Car Amplifier. Alpine S2-A55V with Amplifier Wiring Kit. Alpine S2-A55V. S Series Class D 2 ohm Stable 5-Channel Amplifier.