JL Audio RD500/1 Monoblock 1 Channel Class D Sub Subwoofer Amplifier 500w RMS RD500/1 Monoblock Class D Subwoofer Amplifier, 500 W RD500/1Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 Ω / 250 W x 1 @ 4 Ω - 14.4V Born to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the RD500/1 amplifier was engineered to generate tons of pure subwoofer bliss from a sleek, ultra-compact chassis.
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