- Audio line-in to bring your record player, CD player into the Sonos ecosystem - Audio line-out through either analogue (RCA) or digital (coaxial) - Adjustable bass and treble controls to optimise sound performance - System requirements - Amplified audio equipment with analogue or digital audio inputs, or an audio source with audio output, and broadband internet - Dimensions - H x W x D - 41 x 138 x 138 mm