Sony’s first Dolby Atmos-enabled soundbar is a beast. 1180mm wide and partnered with a wireless sub, it boasts an engineering heritage that’s more stereophile than TV audio and has a finish commensurate with its wallet-wincing price tag. At first glance it may look like an over-dressed 2.1 package, but Sony describes the HT-ST5000 as a 7.1.2 proposition....