Soundigital Mono car amplifier 800.1 EVOX 2 Ohm (refurbished)1 channel amplifier 2 ohm model 890W Revamped circuit Better cooling Power supply at 12. 6 V at 4 : 1 X 528 WRMS Power supply at 12. 6 V at 2 : 1 X 800 WRMS 12. 6 V at 1 supply: N A Power supply at 14. 4 V at 4 : 1 X 589 WRMS Power supply at 14. 4 V at 2 : Power supply 1 X 892 WRMS at 14. 4 V at 1 : N A Operating voltage: 8 V 16 V Current consumption (Music): 38 A Current consumption (Max): 74 A Recommended fuse (Music): 40 A Total efficiency: 81%