Speaker performs amazingly indoors, with excellent clarity and full bodied sound at a decent volume level. Incredible amounts of bass with the Extra Bass feature on and at around 40-60% volume, especially considering the small size. Outdoors the speaker loses a lot of bass, unsurprisingly given the size of it. You will likely also lose Wifi playback, which sounds better and is unlikely to cut out, unlike Bluetooth. Google Cast/Spotify Connect setup and playback is incredibly easy and sounds great; Bluetooth streaming is even easier with NFC compatibility. LDAC compatibility allows for better quality streaming over Bluetooth, and it works great.

Bought two for stereo pairing. Great features and fill any room with impressive audio.

Chromecast Audio has transformed my hi-fi system by giving me high quality music streaming and I wanted the same benefits in a portable speaker. I know there are Bluetooth speakers that provide better sound reproduction for the money, but the convenience of Chromecast Built-in sets this speaker apart. Bluetooth is very simple and convenient, but sound quality its limited by restricted bandwidth. Chromecast will give you the best quality feed available to it, so when using streaming services such as Google Play Music, the sound is CD-quality. Even challenging albums such as Eris Prydz's Opus sound fantastic The Music Center app is pretty easy to use and automatically selects the most appropriate connection (i.e. network or Bluetooth) according to what the app will allow.