The Expand D10 digital I/O expansion unit greatly increases the flexibility of Helix Stadium processors. Connect Variax® modeling guitars using VDI and Powercab® 112+/212+ active guitar speaker systems using L6 LINK™. It also expands the ways in which Helix Stadium processors may be used with audio interfaces, digital mixers, multi-connector breakout boxes, and other devices via 8-channel optical out. 

- Variax Digital Interface (VDI), L6 LINK, AES/EBU, and 8-Channel Optical Connectivity
- Connect Variax Modeling Guitars via VDI
- Connect Powercab 112+/212+ Active Guitar Speaker Systems via L6 LINK
- Send 2 Channels of AES/EBU Digital Audio at 44.1 kHz or 48 kHz
- Send up to 8 Channels of Digital Audio over TOSLINK Optical
- Connects to Helix Stadium Processors with a Cat6 Cable via Nexus