DS18 - 4-Channel Marine Amplifier - Class D Full-Range @4 Ohms RMS 1600 WATTS. DS18 - NXL-X1000.1D 1-Channel Marine Amplifier - D1 Ohm 350x4 RMS 2000 WATTS. DS18 NVY-T800.4D 4-Channel Marine Waterproof Amplifier.
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