Affordable XMOS XU316 + XIAO ESP32-S3 kit that brings DSP-grade noise reduction and AEC to a roughly $30 HA voice satellite. Runs the HA Assist pipeline locally over ESPHome with no cloud account. Just note: 2-mic array, shorter ~3m range.
Notes last checked Jun 2, 2026.
Compatibility snapshot
Home AssistantexcellentFull local control, no cloud needed. Native Home Assistant integration or a local protocol.
Apple HomenoneNo official support on this platform.
Google HomenoneNo official support on this platform.
AlexanoneNo official support on this platform.
Works offlineyes
Setupadvanced
Extra hub neededno
PowerUSB-C
Local control facts
Home Assistant: esphome integration, Local Push, Platinum on the quality scale (home-assistant.io, checked Sep 10, 2026)
Why it stands out
XMOS DSP audio processing at a budget price
Pre-soldered XIAO ESP32-S3 for a solderless start
Fully local ESPHome firmware
Reasons to hesitate
2-mic array, shorter ~3m range
No enclosure/speaker by default
Requires DIY flashing
Best for
Budget local voice satellites
Small-to-medium rooms
Avoid if
you want a finished, plug-and-play product rather than a DIY/flashing project
Privacy and local-control notes
Runs the HA Assist pipeline locally over ESPHome with no cloud account.
Home Assistant support: supported · integration path: ESPHome (native, local).
No buying guide for voice assistants yet. The compare table lines up every voice assistant in the catalog on the same columns, which is the next best thing.
