Amplifier Speaker Switcher with Remote Control Lossless Transmission HiFi XLR Jack Amplifier black.Feature: 1. PREMIUM MATERIALS: Constructed with premium aluminum alloy, it ensures stable and dependable sound transmission. Enjoy good sound that meets the your demands. 2. EASY DEVICE SWITCHING: The unique design allows you to effortlessly switch between different sound devices without the hassle of frequent plugging and unplugging. 3. WIDE COMPATIBILITY: Featuring XLR sound connectors, this swit