Monoprice Monolith by Monoprice THX AAA Balanced Headphone Amplifier featuring THX AAA 887 Technology

The THX Achromatic Audio Amplifier (THX AAA) ensures the ultimate no compromise headphone audio experience by delivering the fidelity audio with infinitesimally low levels of noise, distortion, and power consumption. Three gain settings: The amplifier features three different gain settings for optimal compatibility with all headphones. The lowest gain setting is the most appropriate for sensitive IEMs. Balanced and single-ended inputs: The amplifier features an XLR balanced input, plus 1/4in and 3.5mm single ended inputs to eliminate the need for adapters. High grade CNC-milled aluminum with black anodized finish chassis material. 50 kilohms input impedance.