Get pristine sound quality and clarity for your most demanding recording sessions. Pro Tools | HD I/O is a high-performance audio interface designed for Pro Tools | HD systems that enables you to capture every detail and nuance of a performance. Achieve the high fidelity, extensive dynamic range, and lowest possible latency you need for large-scale, high-profile projects. Plus, its modular design makes it easy to expand and customize the interface for your connection needs—now and in the future. And with its new lower price, getting great sound is now even easier too.