When the setup is complete using the app — and it doesn’t take long — you merely need to find an app that supports Chomecast and press the icon in the top right corner to send the video feed to the Chromecast, which will take over and start grabbing the information from the cloud.

Listening to music? You'll be treated to a fireplace on your TV.

Listening to music? You’ll be treated to a fireplace on your TV.

In essence, your phone is telling the Chromecast what to talk to online, freeing it up and allowing you to do other things.

And the major change worth knowing about in the new Chromecast is that it does all of this WiFi goodness at 802.11ac, so if you have an 802.11ac modem router, you’ll be cheering.

Chromecast and its video streaming abilities is only one part of the Chromecast family this year, because the second product Google is launching this week is Chromecast Audio.

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This one resembles the new Chromecast, except without the HDMI cable and with a more record-like (think grooves) design adorning the plastic body.

The tech inside is similar, but not exactly the same with an emphasis here on sound. You’ll find that same adaptive WiFi technology, but a change in the app and casting technology that turns any speaker into a wireless speaker capable of receiving audio from Pandora, Spotify, Google Play Music, Deezer, or TuneIn Radio.

Like the standard video-friendly Chromecast, you need to plug this one into a USB port or the wall to supply power, but the other end gets plugged into a pair of speakers.

You might have an amplifier system, a small PC speaker, or something else, and all are perfect, with the speakers being made into a wireless sound system able to latch on to any WiFi network and receive a delivery of wireless sound.

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Better, if you have more than one Chromecast Audio setup in the home with another speaker, you can group both Chromecast Audio devices together and create your own multiroom sound system.

For anyone keen to see what the fuss is about with multiroom audio — that is sound in every room — Chromecast Audio could well represent the least expensive way to try the idea out, arriving in stores this week for $59.

Locally, JB HiFi and Harvey Norman will be selling the Chromecast Audio, though Google’s online store will also sell them.

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