The Apogee Electronics Symphony I/O Mk II Pro Tools Chassis is an audio interface chassis designed to provide direct connectivity to Pro Tools HD systems for recording and mixing engineers in broadcast, post-production, studio, and live stage applications. It features a Mini-DigiLink port in the pre-installed HD option card, BNC loop sync I/O, and BNC word clock I/O. A stereo 1/4" headphone jack enables quick and effective monitoring with a variety of headphone impedances.

Emulating an Avid HD I/O interface, it ensures seamless integration and sample-accurate delay compensation while delivering ultra-low latency for proper timing in signal conversion. Configure and control the chassis via the color touchscreen display and large rotary control on the front panel. Install multiple I/O cards (available separately) for up to thirty-two channels of analog inputs and outputs.

The Symphony I/O MkII is made in the USA and ships with a power cable.