Can your soundbar do multi-room? Soundbars with Bluetooth have become standard, but sound quality is often lacking, which is where Denon’s new HEOS Bar comes in. This $899 / £799 / AU$1,299 soundbar is aimed squarely at the Sonos Playbar – but do its claims of audiophile quality stack up? We got the chance to try it out at a press demo.Like the Sonos...