Features: The Portable Headphone Amplifier eliminate the need for external power and ensuring reliability operate for musicians on travel. Featuring locking XLR and input , a 3.5mm output, stereo/single switching, and a top mounted volumes knob, this in ear monitor amplifier delivers wide volumes ranges, clear sound, and minimal distortion in a durability aluminum alloy casing. Ideal for professional musicians like keyboardists, drummers, and guitarists, this professional sound equipment enhances in ear monitoring with precise amplification tailored to their performances needs. Perfect for live stage shows, studio recording , and rehearsal environments, the amplifier provides consistent sound amplification in diverse settings without compromising portability. With an compact, lightweight design and a clip attachment, this amplifier offer effortless portability and quick setup for seamless integration into any sound setup. Specifications: Component: aluminum alloy Size:Approx.93x30x25mm/3.66x1.18x0.98inch Color:Black Features:aluminum headphone amplifier with XLR inputs, 3.5mm output and single-stereo switching for versatile sound monitoring Package Includes: 1pc Headphone Amplifier 1pc XLR Connector note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.