Home Assistant Voice Preview Edition
Overview
The Home Assistant Voice Preview Edition is the first dedicated voice assistant designed specifically for Home Assistant. Built on ESPHome and powered by an ESP32-S3 with an XMOS audio processor, it delivers high-quality local voice control, optional cloud-powered processing, and full integration with your existing Home Assistant system. Includes dual microphones, a hardware mute switch, multicolor LED ring, rotary dial, and 3.5 mm audio output — all in a compact, injection-molded enclosure.
Key Features
• Designed by the Home Assistant team for seamless Assist integration
• ESPHome preinstalled; fully open-source firmware and hardware
• Dual microphones with XMOS XU316 processor for noise reduction, AGC, and echo cancellation
• Runs fully local when paired with capable Home Assistant hardware, or optionally uses Home Assistant Cloud
• Hardware mute switch physically disconnects microphones
• Multicolor LED ring for status indication; internal speaker for alerts
• 3.5 mm audio jack with high-quality TI DAC for external speakers
• Rotary dial for volume + multifunction button for Assist
• Grove expansion port for adding sensors or accessories
• Easy to open; exposed pads for modding
• Compact design blends into any room
Technical Specifications
SoC
• ESP32-S3
• 16 MB Flash
• 8 MB PSRAM
Audio Processing
• XMOS XU316
• Echo cancellation
• Stationary noise removal
• Auto gain control
Power / Data
• USB-C, 5 V DC, 2 A
Radios
• 2.4 GHz Wi-Fi
• Bluetooth 5.0 Low Energy
Audio Output
• 3.5 mm stereo jack
• TI AIC3202 DAC, 48 kHz
Physical Controls
• Multifunction button
• Rotary dial (volume / LED brightness)
• Hardware microphone mute switch
Microphone & Speaker
• Dual-mic array
• Internal speaker
• Dedicated I2S audio in/out
Expandability
• Grove port
• Accessible internal screws; no clips
• Exposed PCB pads
Dimensions & Weight
• 84 × 84 × 21 mm, 96 g
• With box: 94 × 94 × 30 mm, 120 g
Material
• Injection-molded polycarbonate
• Colour: White / Semi-transparent
Environmental Conditions
• Indoor use only
• 0–30 °C, non-condensing
Installation / Application Notes
• Requires an existing Home Assistant system
• For fully local speech processing, an Intel N100 or better is recommended
• For weaker hardware, offloading to Home Assistant Cloud improves recognition
• Supports external speaker connection for streaming or media playback
• Grove port enables addition of sensors such as temperature, humidity, or motion
Part List
• Home Assistant Voice Preview Edition ×1
• Home Assistant Sticker ×1
• Warranty & Safety Manual ×1
• Get Started Card ×1