Apart Audio's REVAMP1680 is a professional 16-channel digital power amplifier with 16 x 80 watts output power at 4 ohms, but the unit is also bridgeable to 8 x 160 watts @ 8 ohms. This three-rack unit's high amplifier with very high channel separation also has a dual analogue power supply with toroidal power transformers. The standby power consumption is very low, sitting at less than 0.5 watts!