The Symphony 64 | ThunderBridge from Apogee is the hub that’s built for speed. Use the ThunderBridge to connect your Symphony I/O Interface to any Thunderbolt equipped Mac for maximum performance of speeds that are up to double that of a USB 3.0 system, and 10 times the speed of a FireWire 800 connection. Symphony | 64 ThunderBridge will also connect X-Symphony equipped AD-16X, DA-16X and Rosetta Series converters to Thunderbolt Macs.