This Sonos Beam deal is a rare promo on a TV sound upgrade

Sonos’ Beam smart speaker soundbar has seen an unexpected price cut, with the Alexa-powered home theater gadget getting a pre-holiday deal. Launched earlier this year, the Sonos Beam is the streaming speaker company’s latest model to support Amazon Alexa, though it’s more than just a way to interact with the virtual assistant. Like the Sonos Playbar and Sonos Playbase before …