Home Assistant Voice Preview Edition
Home Assistant Voice Preview Edition
🌟 Local-first voice assistant — processes voice commands on your network for improved privacy and low latency.
⚡ Seamless Home Assistant integration — control entities, scenes and automations directly by voice.
✅ Preview release — early access to new features for testers and developers.
🔒 Privacy focus — option to keep audio and models on your own hardware without cloud dependency.
🔊 Supports STT & TTS — speech-to-text and text-to-speech with configurable engines.
🛠️ Flexible deployment — runs on Home Assistant Yellow, Raspberry Pi, NUC or other supported hardware.

Home Assistant Voice Preview Edition – The first open source voice assistant for your smart home
Control your smart home using your voice without compromising your privacy. The Home Assistant Voice Preview Edition is the official voice assistant designed for Home Assistant, featuring fully open source software and hardware for local or cloud-based voice processing. Dual microphones and advanced XMOS audio processing ensure clear voice capture even in noisy environments, with tactile controls and an elegant LED ring to blend seamlessly into your home.
Key Features:
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First voice hardware designed for Home Assistant
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Open source software, firmware, and hardware
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Dual microphones with XMOS audio processing (noise and echo cancellation)
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Hardware mute switch to physically disable microphones
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Intuitive controls: multifunction button, rotary volume knob, and others
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3.5mm audio output with TI AIC3202 DAC
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Connectivity via USB-C, 2.4 GHz Wi-Fi, and Bluetooth 5.0 LE
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Expandable via Grove port for sensors and accessories
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Compact size 84 × 84 × 21 mm, lightweight 96 g
Technical Specifications:
| Parameter | Specification |
|---|---|
| Model | NC-VK-9727 |
| SoC | ESP32-S3, 16 MB FLASH, 8 MB PSRAM |
| Audio Processor | XMOS XU316 |
| Microphones | Dual microphone array |
| Audio Output | 3.5mm stereo jack |
| DAC | TI AIC3202, 48 kHz |
| Physical Controls | Multifunction button, rotary knob, hardware mute switch |
| Connectivity | USB-C, 2.4 GHz Wi-Fi, Bluetooth 5.0 LE |
| Dimensions | 84 × 84 × 21 mm |
| Weight | 96 g |
| Enclosure Material | Injection-molded polycarbonate |
| Operating Temperature | 0°C – 30°C |
| Expandability | Grove port |

Package Contents:
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Home Assistant Voice Preview Edition
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Quick installation guide
| Color |
|
|---|---|
| Protocol | Wi-Fi |
| Power supply | USB C |
| Voltage | 5V |
| Compatible systems | Home Assistant |

















