Polk Audio today announced its Command Bar, an Alexa-enabled soundbar, will receive a software update adding Amazon‘s multi-room music (MRM) protocol. It’s the first third-party smart speaker to do so. The Command Bar is among the best sounding speakers featuring Alexa support, but it suffers from a lack of features when compared to Amazon‘s first-party products. Until now, it was an isolated speaker (plus sub-woofer) that sounded great, but couldn’t join the party if you wanted to make the whole house jam to the same tunes. Amazon‘s MRM is one of those features you don’t know you need until you experience…

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