5-Channel Class D Marine System Amplifier, 100 W x 8 @ 4 ? / 75 W x 8 @ 2 ? - 14.4V. Here is the perfect, all-in-one solution to drive a potent 4-speaker + dual subwoofer marine audio system. The M1000/5v2 delivers up to 1000 W of clean power and can comfortably drive two pairs of quality component speaker systems with 75 W x 4 @ 4 ?, while also delivering a stout 600 W of power to a dual subwoofer system. The breakthrough that makes this much power possible in such a small chassis is our NexD™ switching amplifier design.