Monoblock Class D Wide-Range Amplifier, 500 W x 1 @ 2 Ω / 300 W x 1 @ 4 Ω - 14.4VEngineered specifically for powersports applications, the MX500 / 1 monoblock amplifier employees our high-speed NexD ™ switching design to pack a serious audio punch, without straining charging systems. Its tiny, cast ..