Posted by Jason Kridner on 2026-02-09T11:28:16-05:00
Categories: Complete, Electronics and Programming, Music, PocketBeagle 2
Originally published at https://bela.io/products/bela-gem-stereo-and-multi/.
Change how you create with sensors and sound
The Bela Gem series comprises two boards: Gem Stereo and Gem Multi, both designed to transform the PocketBeagle 2 single-board computer into a powerful platform for real-time audio and sensor processing. Whether you’re an engineer, maker, educator, or researcher, these open-source systems provide the tools needed to create innovative audio projects with minimal setup and configuration.
Key Capabilities
- Ultra-low latency audio — sub-millisecond performance, 24-bit / 96 kHz.
- Rich sensor & audio I/O — analog, digital, GPIO, I²C/Qwiic, USB host.
- Scalable hardware — Stereo for compact projects, Multi for multi-channel and installation-scale systems.
- Open & accessible — powered by the Bela IDE, examples, and open-source tools.
Two Models – Stereo & Multi
| Model | Description |
|---|---|
| Gem Stereo | A compact board with high-quality stereo audio I/O and full sensor expansion. Ideal for mobile instruments, prototypes, and small interactive systems. |
| Gem Multi | A larger variant with 10-in/10-out audio (including 8 DC-coupled outputs). Built for spatial audio, research tools, and multi-sensor installations. |