The free rival to Sonos wireless speakers
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CES 2017: AmpMe app offers free alternative to wireless speakers

6 January 2017 Last updated at 00:21 GMT

A start-up is promoting a free app that syncs smartphones so they play music in unison, at the CES tech show.

AmpMe is being pitched as a free alternative to Sonos and other brands of wireless speakers.

Chris Foxx tied out the tech in Las Vegas.

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