This Digidesign SYNC HD Master Clock is a top-quality device for any professional audio or music setup. It is a reliable solution for synchronizing your studio equipment and ensuring that everything operates on the same clock. This particular model is from the Avid brand and is designed for use with ProTools systems. With this Master Clock, you can achieve precise clocking and avoid timing issues that can occur when different devices are running on separate clocks. It is a must-have for anyone who values accuracy and consistency in their audio production. This item falls under the categories of Audio/MIDI Interfaces, Pro Audio Equipment, and Musical Instruments & Gear.