2 in 1 Out 3.5mm AUX 1/8" Stereo Splitter Switch Box,Audio Cable switcher A B,Speaker selector preamp with Volume Control

Features: 2-IN-1-OUT (switch audio sources) 1-IN-2-OUT (switch audio outputs) Input connections: Computer / Phone / Music player. etc. Output connections: Active speaker / Headphone amp / Power Amplifier. etc. With volume control knob on top made of quality FR4 circuit PCB and gold plated RCA 2 red buttons on top for: Mute button: Mute the device with just one key A / B button: It can select the device you want to use as the audio input or output conveniently No need power supply, it is passive mini size compact audio Splitter Dimensions: L87 * W69 * H28 mm Weight: 100g Packing List: AUX audio selector *1