This is an 8ch amplifier with DSP (4 x 90w 4Ω, 4 x 150w 2Ω) with improved audio performance and power using the latest generation technology. It operates at 24bit/96kHz and can extend the audio band up to 40kHz. Also, up to 10 output channels can be controlled. Despite its surprisingly compact size, it guarantees flexible and powerful performance. Channel 4 Class D-Class Power supply voltage/fuse 11 to 15 VDC / 1 x 30A Operating power supply voltage 6.5 to 17.5 VDC Idle current 1.04 A Standby current consumption 0.9 mA Power consumption @ 14.4 VDC, 2Ω, Max Musical Power 29 A Remote IN 4 to 15 VDC (1 mA) Remote OUT 6.5 to 15 VDC (150 mA)ART – Auto remote turn on/off 1.5 VDC Rated power efficiency 81.0%