The Audioarts TS-1 is a tough, compact countertop unit that utilizes a USB-powered high-gain headphone amplifier that multiplies voltage and current to provide GREAT, LOUD sound to headphones of any impedance. It features 1/4” and mini stereo output jacks, two panel switches with internal LEDs, a power light and a level control. An internal HI/LO gain switch lets you match a wide range of input types.There's a LOGIC RJ45 that lets you to use the two front panel switches for TB, COUGH and other functions. INPUT and OUTPUT connectors follow standard Studio Hub RJ45 analog audio pinouts. The OUTPUT feed allows you to daisychain the unit’s source audio to other devices. USB power supply and cable included.