The Google Chromecast is a small dongle that plugs into your TV, allowing content to be streamed from Android tablets & smartphones, iPhones, iPads & computers.
The Sonos wireless music system was already pretty damn good. Now it has gone and dragged the TV into the home entertainment gang with the Sonos Playbar.
The new JBL Studio One series loudspeaker range comprises 2 subwoofers, a bookshelf system, 2.5 way dual centre channel, & a 3 and 3.5 way floorstanding loudspeaker.
Harman Kardon's SB 16 Soundbar provides better sound for your TV, without taking up too much room, & provides placement flexibility with its wireless subwoofer.