Home Assistant Voice Preview Edition

Home Assistant Voice Preview Edition is an open-source, privacy-focused voice assistant designed to seamlessly connect with Home Assistant and give you a preview of the future of voice control now. With an advanced audio processor and dual microphones, the device captures your commands and controls your devices. Touch-sensitive buttons, injection moulded casing and LED ring contribute to a premium look, discreetly integrating into any home.

Note: Home Assistant Voice Preview Edition requires Home Assistant to operate. Weaker Home Assistant hardware may result in slower voice processing. If you have less powerful Home Assistant hardware, it is recommended to move voice processing to Home Assistant Cloud.

🔗 Learn more on the manufacturer's website
📚 Full device documentation

Key features

• Built for Home Assistant:
  The first voice device designed by the team developing Home Assistant, built from the ground up for seamless integration.

• Preview the future of voice control:
  Home Assistant is rapidly developing an open-source, privacy-focused voice assistant. Preview Edition lets you participate in the process and test the future of voice control now.

• The easiest way to get started with Assist:
  Connect it to power via USB-C (cable and power adapter not included) and follow the intuitive installation guide. No assembly required.

• Private Voice Assistant:
  Combined with powerful Home Assistant hardware, it can operate completely locally or move voice processing to the privacy-focused Home Assistant Cloud. It also includes a physical switch to switch microphones off.

• Multi-language support:
  Assist aims to support more languages than other voice assistants, but the project is in development. Check the Home Assistant Assist documentation for supported languages.

• Advanced audio processing:
  Dual microphones and XMOS audio processor for clear capture of commands, even in noisy environments.

• Visual and audio feedback:
  Multicolour LED ring indicates listening status, volume and other information. The device provides voice feedback and can play sound through the internal speaker or an external speaker connected to the 3.5 mm jack.

• Intuitive physical control:
  The rotary knob adjusts volume and LED brightness, and the multi-function button can launch Assist or be customised in Home Assistant.

• Discreet design:
  The compact, injection-moulded housing has a premium look and blends elegantly into any decor.

• Expandable:
  Based on ESPHome, allows for additional sensors or accessories to be added through the included Grove port.

• Totally open-source and community:
  Fully open software, firmware and hardware, supported by an active community that customises and extends functionality.

Technical specifications

• Processor: ESP32-S3 with 16 MB FLASH storage, 8 MB octal PSRAM

• Audio Processing: XMOS XU316

  • Echo cancellation

  • Static noise cancellation

  • Automatic Gain Control (AGC)

• Power/Data: USB-C, 5V DC, 2A

• Connectivity: Wi-Fi 2.4 GHz, Bluetooth 5.0 Low Energy

• Audio output: 3.5 mm stereo jack

• DAC: TI AIC3202, 48 kHz sampling rate

• Physical controls:

  • Multi-function button

  • Volume/Brightness wheel

  • Physical mute switch for microphones

• Microphone and Speaker:

  • Internal speaker

  • Dual microphone array

  • Dedicated I2S lines for audio input and output

• Extensibility:

  • Grove port for sensors/accessories

  • Easy to open (screws only, no clamps)

  • Exposed pads on PCB for modifications

• Software: ESPHome pre-installed
  Open-source firmware for ESP32 and XMOS

• Requirements: Home Assistant already configured on another device.
  For full local voice processing, Home Assistant hardware based on Intel N100 or higher is recommended. Otherwise, Home Assistant Cloud subscription required.

• Language support: Check the updated list in the Assist documentation.

• Operating conditions:

  • Indoor use only

  • Temperature: 0 °C - 30 °C

  • Humidity: No condensation

• Dimensions and weight:

  • Device: 84×84×21 mm, 96 g

  • With packaging: 94×94×30 mm, 120 g

• Housing material: Injection moulded polycarbonate plastic

• Colours: White and semi-transparent