The Behringer MA400 MICROMON Ultra-Compact Monitor Headphone Amplifier Unit is a versatile audio device designed for musicians and audio professionals. With its sleek black tabletop form factor, this mini/headphone amplifier offers balanced output through a headphone jack and XLR audio outputs. It features two inputs via TRS/audio jack, making it easy to connect multiple sources. The unit operates on 12vdc power and is manufactured in China by Behringer, a trusted brand in the industry. Perfect for monitoring audio with its compact design and high-quality sound output.