The Monolith THX AAA Desktop Headphone Amplifier and DAC features cutting-edge technology that brings out the best in your headphones, playback device, and music library. This audiophile essential features dual THX AAA 788 amplifier modules for best-in-class amplification, an ESS SABRE 9038Q2M DAC for an exceptionally musical experience, MQA compatibility, and Dirac Virtuo decoding for an out‑of‑your‑head, larger-than-life soundstage. What makes it even better is that the Monolith headphone amplifier is engineered for the finest in music reproduction. A host of inputs and outputs, including balanced, unbalanced, and digital, ensure that you have plenty of ways to connect your audio devices.