At the entry-level of Linn's product range, the Sneaky DSM is an all-in-one streaming system with a built-in preamp and power amp, meaning you just need to add speakers. The Sneaky DSM allows you to stream music from PCs, MACs, phones and tablets, supports FLAC, WAV, AIFF, AAC, Apple Lossless, MP3, WMA and OGG music files, and offers access to podcasts and internet radio. It's also compatible with media UPnP servers. Back panel connections include: MAINS INPUT - To connect to the mains electricity supply. FALLBACK - To put the device into Fallback mode (used when reprogramming) ETHERNET - To connect to a network (100Base-T) HDMI OUTPUT - To connect to a display device with HDMI inputs. HDMI INPUTS (3) - To connect sources with HDMI outputs. ANALOGUE OUTPUT (RCA, variable/fixed level) - To connect to subwoofer or external power amplifier (or pre amplifier when internal volume control is disabled, this will also disable the internal Power amplifier/speaker outputs) with unbalanced (RCA) analogue inputs. DIGITAL INPUT (Toslink) - To connect sources with Toslink (optical) digital outputs. DIGITAL INPUT (Spdif) - To connect sources with Spdif (RCA) digital outputs. ANALOGUE INPUT (line level) - To connect a turntable or line level source with unbalanced (RCA) outputs. SPEAKER OUTPUTS - To connect to loudspeakers, Neutrik 4 pole connect Comes with power cable and remote (remote has not been tested - have always used the mobile phone app). Software is up to date at the time of this ad posting.