Symphony I / O MkII is a multi-channel audio interface with an unimaginable new AD / DA Apogee conversion level ever achieved, a modular I / O system (with 32 inputs and outputs per unit), an intuitive touchscreen display and preamplifiers Microphones (optional). Designed to offer professional quality audio recording, mixing and mastering, Symphony I / O MkII is the ultimate music production center for every modern studio. The Apogee engineers have always had their passion for improving every new product by using the latest electrical components and circuit optimization projects that often exceed the expectations of the component manufacturers. This is the advantage of Apogee devices. Symphony I / O MkII is the culmination of 30 years of commitment and constant improvement of products, but with even greater clarity of audio and sound transparency of all devices released earlier. In fact, if equipped with the new 8 × 8 MkII or 16 × 16 MkII I / O modules, Symphony I / O MkII surpasses any other multichannel audio interfaces for Pro Tools HD or Thunderbolt-based systems, making them the ultimate audio interfaces For the entire professional audio industry and the obvious choice for countless Grammy winner artists, producers, authors, and engineers.