The SA20 is rated at 80wpc into 8 ohms (both channels driven). It delivers just under 20wpc in pure Class A, while allowing for huge extra power reserves for the most demanding of loudspeakers. This ground breaking amplifier is an absolute must for those seeking true excellence in an amplifier at an incredibly affordable price. As with the SA10 this amplifier has 5x analogue inputs (1x line/MM switchable) but the 3x digital inputs (2x SPDIF and 1x optical) are supplied by the ESS Sabre 9038 reference DAC (as employed in the irDAC2). The SA20 also comes with a brand new learning backlit infra-red handset and can be controlled over IP by ARCAM’s IOS app, Musiclife or by RS232. This amplifier is the direct replacement to the A29.