The HATTXL Tabletop Mono Active Headphone Amplifier from Whirlwind provides headphone volume control for broadcast applications, recording studios, and language labs. It can drive any impedance headphones, including 8 Ohm in-ear monitors. This mono headphone amplifier uses a mono balanced input via XLR connectors and sends the same signal to both the left and right earpieces. It also features an unbalanced 3.5mm TRS stereo input jack with the left and right summed to mono.
The control box is powered by an included PS242.1 wall wart supply. Both 1/4" TRS and 3.5mm TRS headphone jacks are provided and a volume control adjusts the listening levels. The amplifier is enclosed in a durable ABS box.