Chromecast audio specifications

Below are the specifications that work with Chromecast Audio:


  • Stereo analog output: 2Vrms
  • Optical digital output
  • High-resolution audio: 96 KHz / 24-bit


  • Package: 124.4 x 42.85 x 124 mm
  • Device: 51.9 x 51.9 x 13.49 mm (not including cables or accessories)
  • Audio cable: 146 mm (5.7 in)
  • Power cable: 1.75 m (69 in)
  • Weight: 30.7 g (0.068 lbs)

Ports and connectors

  • 3.5 mm jack with analog and optical digital audio output
  • Micro-USB
  • Color: Black
  • Connectivity or network: Wi-Fi 802.11 b/g/n/ac (2.4 GHz or 5 GHz)
  • Power: 5V, 1A power supply
  • Wireless security: WEP, WPA or WPA2

Supported audio formats

  • HE-AAC
  • LC-AAC
  • MP3
  • Vorbis
  • WAV (LPCM)
  • Opus
  • FLAC with support for high-resolution streams (24-bit / 96 KHz)​

To learn more about supported Operating Systems, refer to the Minimum Operating System (OS) requirements for the Google Home app.

Over the Air Updates: When available, Chromecast Audio will automatically update to the latest Chromecast software version.

Open source code

Open source licenses

Other licenses

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