M08D2

Key Features

Why M08D2?

Wi-Fi Audio Mesh + audiocast — multiple M08D2 units self-organize into a multi-room group with verified < 10 ms cross-room latency
Bit-perfect S/PDIF (optical + coaxial) + AUX line-out up to 192 kHz / 24-bit — preserves the original DAC inside your HiFi amp
AirPlay 2 + DLNA + Spotify Connect + Tidal Connect — every major streaming protocol works out of the box
Dual-mic far-field array + offline wake-word "小美" — voice control even when the speaker is across the room
Plug-and-play legacy upgrade: USB-C power + SPDIF/AUX to any existing amplifier — turns 1980s speakers into a 2026 multiroom system
Dedicated low-jitter PLL clock — measured jitter < 50 ps, no audible distortion on 192 kHz / 24-bit playback
On-device keyword spotting (RK2108D VAD) + cloud LLM bridge — "play something relaxing" actually plays something relaxing
Round 2.1″ touch screen shows album art, EQ, volume, and mesh status at a glance
Magnetic wall mount or free-standing cradle — 86 × 86 mm footprint matches standard wall boxes
Linux 5.10 + METO Audio Shell — open SDK for custom protocols, MDM enrollment, and OTA staging

Specifications

Detailed Specifications

Application SoC	Rockchip RK2108D (dual Cortex-A35 @ 1.2 GHz, 256 MB DDR3, 4 MB I-cache + 4 MB D-cache)
Display	2.1″ IPS round capacitive touch, 480 × 480 px, 350 nit, 2.5 D curved glass + AF coating
Wireless	Wi-Fi 4 (2.4 GHz 802.11 b/g/n) + Bluetooth 5.0 dual-mode (classic BR/EDR + BLE), antenna diversity
Wired Output	S/PDIF optical TOSLINK + coaxial RCA (up to 192 kHz / 24-bit), 3.5 mm AUX analog line-out
Wired Input	USB-C 5 V/2 A power + OTG, 3.5 mm AUX analog line-in (legacy source playback)
Audio Mesh	Wi-Fi Audio Mesh with audiocast multi-room group — < 10 ms inter-unit latency verified by cross-room click-tracks
Audio Quality	192 kHz / 24-bit lossless input, hardware SRC, bit-perfect output, dedicated low-jitter PLL clock
Microphone Array	Dual-mic far-field array, beam-forming, AEC echo cancellation, offline wake-word "小美" + push-to-talk
AI Voice	On-device keyword spotting (RK2108D VAD) + cloud LLM/TTS bridge, supports ChatGPT / Doubao / Tongyi / DeepSeek
Power	USB-C 5 V/2 A, < 5 W idle, < 8 W peak; battery-free design
System	Linux 5.10 + METO Audio Shell, supports DLNA, AirPlay 2, Spotify Connect, Tidal Connect, Roon Ready (planned)
Mechanical	PC + ABS V0 housing, 86 × 86 mm round footprint, magnetic wall mount or free-standing cradle
Compatibility	Backward-compatible with any powered speaker / amp / soundbar — drop-in upgrade for legacy HiFi
Safety	IEC 60065 audio-equipment, surge 2 kV, over-temperature cut-off 80 °C, child-lock volume cap

Applications

Scenarios

Upgrade vintage HiFi / floor-standing speakers without replacing the amp or speakersMulti-room audiocast across living room, bedroom, kitchen — synced playback with < 10 ms latencySmart speaker integration: bridge AirPlay 2 / Spotify Connect to legacy AV receiversCommercial background music in cafes, restaurants, retail stores — central scheduling, decentralized playbackHotel suites — voice-controlled "good morning music" + multi-zone independent volumeConference rooms — bidirectional AirPlay 2 + SPDIF to the installed ceiling speakersEducational institutions — synchronized broadcast across classrooms with audiocastOutdoor patio speakers — weatherproof power + Wi-Fi extension via mesh nodes

Why M08D2?

Detailed Specifications

Scenarios

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