1、【Versatile Connectivity】: Experience superior audio quality with our headphone amplifier featuring XLR stereo inputs and a 3.5mm output. The XLR input connection ensures a secure and reliable connection, preventing accidental cable disconnections. Simply press the release button to disconnect the cable effortlessly. 2、【Customizable Volume Control】: Enjoy personalized listening experiences with our headphone amp that offers individual volume adjustment. Tailor the monitoring volume to your preference for an optimal listening experience. 3、【Portable and Convenient】: Our compact and portable headphone amplifier is designed for ease of use. Its small form factor makes it convenient to carry in your pocket or effortlessly hang around your neck with the included lanyard. Perfect for on-the-go professionals and music enthusiasts alike. 4、【Plug and Play】: No need for external power sources! Our headphone amplifier is completely self-powered, allowing you to connect and use it instantly. The sleek metal body not only adds a touch of elegance but also enhances the overall sound quality, delivering rich and immersive audio. 5、【Professional-grade Audio Output】: Designed specifically for in-ear monitors, our headphone amp provides crystal-clear sound reproduction. Immerse yourself in the music with enhanced clarity and precision, making every listening session a truly immersive experience.