A weakness with the new system is that Sonos has chosen to connect the soundbar to the TV via an optical cable which means that if you have an older TV, the chances are you will not have an optical connection.
There is no HDMI input on the Playbar but you do get standard two-channel audio and Dolby Digital.
Also on the back is a standard power connector and two Ethernet ports. I have a Sonos Bridge so I was able to avoid having to connect an Ethernet cable to set up the device.
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When you turn your TV on after playing music, all you have to do is hit the TV button that appears on the Sonos software interface. This icon appears when you upgrade the software to accommodate the Playbar.
There is no audio juggling between a device and the Playbar.
All a user has to do when plugging in the Playbar for the first time is follow the prompts that appear when you nominate to attach another Sonos device.
The real value of the new Playbar shines through when you plug in a Blu-ray movie and the 5.1 set up kicks in. The sound is as good as you get from a more expensive home theatre kit.
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Under the bonnet the Sonos audio engineering does a lot of processing to separate the different channels. Apart from Dolby Digital the system has a "speech enhancement" option and "night sound," which can be switch on and off from the app. While one compresses audio, such as loud bands, the other increases the levels on soft sound.
If you don't have any Sonos kit, don't skimp by just buying the Playbar, go the whole hog and get the Play 3 speakers. And if you really want to impress your friends buy the Sonos sub, it makes a whopping difference.