The Symphony I/O Mk II configured as SYM2-2X6SE-TB3-PTHD-PLUS combines mastering-grade audio performance with dual connectivity for native and Pro Tools HD workflows. Housed in the SYM2 chassis and equipped with a single 2x6 Special Edition module, this interface delivers 2 ultra-high-fidelity line inputs and 6 precision line outputs, along with AES, optical, and S/PDIF coaxial digital outputs which is ideal for monitoring, outboard routing, or speaker switching in professional environments. This configuration features Thunderbolt 3 connectivity for ultra-low latency performance with native DAWs and a Pro Tools Plus card for seamless integration with Pro Tools HD systems. Whether you're mastering tracks, calibrating monitoring chains, or bridging analog and digital gear, this unit delivers elite sonic performance with the flexibility to fit into hybrid studio setups. With a second module slot left open, the system is fully expandable, giving you room to grow as your workflow evolves.