Hertz HMD1 - Marine Mono Bass Amplifier - 800 WRMS x 1 at 2Ω Looking for a powerful and compact marine amplifier to drive your subwoofer? Look no further than the Hertz HMD1. This mono amplifier for adding deep, impactful bass to your boat, without sacrificing precious space. With its advanced features and reliable performance, the HMD1 is the ideal power extension for your marine audio system. Description HMD1 mono amplifier is the perfect solution to add one or more marine subwoofer to your vassel, being the ideal power extension of HMD8 DSP. At 1 Ohms it is stable and can supply up to 1000 W of power with extremely compact dimension. General Specs Channels 1 POWER SUPPLY Power supply voltage / fuse 11 ÷ 15 VDC / 2 x 30A Operating power supply voltage 6.5 ÷ 17 VDC Idling current 1.3 A Idling current off 0.05 mA Consumption @ 14.4 VDC, 2Ω, Max Musical Power 50 A Remote IN 6.5 ÷ 15 VDC (1 mA) ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable) 2 ÷ 7 VDC AMPLIFIER STAGE Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0.1% Damping factor @ 1 kHz, 4Ω, 2 VRMS 140 Bandwidth @ -1.5 dB 10 Hz ÷ 500 Hz S/N ratio (A weighted @ 1 V Input) Master Input 110 dBA Input sensitivity Pre-In Selectable: 0.6 - 2.0 - 6.0 VRMS Input sensitivity Speaker-In Selectable: 2.0 - 6.5 - 20 VRMS Minimum load impedance 1Ω Adjustable Crossovers yes