Elevates your music experience with Portable In Ear Monitoring Amplifiers, featuring high fidelitys headphone amplifiers with 3.5mm input for pristines sound quality. The amplifiers small design and convenient belt pack clip companions for musicians , ensuring professional amplification. Tailored for keyboardists, drummers, and guitarists, this headphone amplifiers offer personalizes monitoring for immersive practice and performances. Perfect for live shows and studio rehearsals, the amplifiers provides a reliable and consistent sound feed, allowing artists to on their craft without distractions. 3.5mm headphone output/input; Colour:black Material:Metal Package Contents: 1 * Headphone Amplifier Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.