Cambridge - Azur 351A (Black) by Cambridge Audio Audiophile grade oversize toroidal transformer and substantial extruded heatsink allowing 2 x 45 Watts RMS into 8 Ohms USB audio input allowing USB audio streaming from computer. Front mounted 3.5mm iPod/MP3 player connection ALPs film type black box volume pot for superb low level channel balance and stereo imaging. Low dissipation polypropylene signal capacitors and custom made electrolytic capacitors in critical positions. Acoustically damped full metal chassis with thick brushed aluminium front panel. Supplied with Azur remote handset - also controls Azur CD players and iPod/iPhone docks including Cambridge Audio iD100, iD50 and iD10.. Eco-friendly &lt;1W Standby power consumption.