Fusion Sg Da41400 4 Channel Signature Series Amplifier D Class Hand Drills Champion S Tapp PCS2000 BK BK 2XL Champion S Tapp For use with 400gm grease cartridge Signature Series Marine amplifiers are designed and engineered for the harsh Marine environment A high efficiency 1400 Watt amplifier design which ensures low battery drain with a high output This delivers increased power to the connected speakers and or subwoofers 3 V 8 V RMS (user adjustable) High pass low pass full range filter Yes (user selectable) HP variable crossover frequency 4 5 6 8 channels and 24 Volt 6 channel: 32 Hz 320 Hz LP variable crossover frequency 4 5 6 8 channels and 24 Volt 6 channel: 32 Hz 320 Hz Operating voltage Monoblock and 4 5 6 8 channels: 10