4Port 3.5mm Audio Switch – Flexible Input and Output Control for Multiple Devices This 4(1)IN1(4)OUT 3.5mm audio selector is designed for users who need to manage multiple audio sources and outputs with ease. It is not a splitter; only one input can be active at a time, ensuring clear and uninterrupted sound selection. Key Features and Benefits: Dual Configuration Options: • 4to1 Mode – Connect up to four audio sources such as a CD player, computer, phone, or other media devices into the 1/4 ports, with one audio output connected to the IN/OUT port. • 1to4 Mode – Connect one audio source to the IN/OUT port and link up to four different outputs such as speakers, headphone sets, or amplifiers to the 1/4 ports. Simple Operation: Easily select between audio input sources or output devices using the builtin selector switch labeled A/B/C/D. Change connections quickly without extra setup. Integrated Volume Control: Adjust listening levels directly on the switcher for convenient and precise sound management. Reliable LongDistance Performance: Compatible with standard 3.5mm audio cables, supporting input and output distances up to 8 meters without signal loss. PlugandPlay: Works without external power supply for simple installation and immediate use. Includes one 1m (3.4ft) 3.5mm audio cable for quick setup. Specifications: Port Configuration: 4(1)IN1(4)OUT with dedicated selector control Connector Type: 3.5mm stereo audio jack Maximum Transmission Distance: Up to 8 meters using standard audio cables Power Requirement: None Included Accessories: One 1m 3.5mm audio cable Practical Applications: 1. Home Audio Control – Manage multiple music players or computers in one room, selecting easily which device sends audio to your speakers. 2. Office or Studio Setup – Switch smoothly between conference call audio from a laptop, playback from a workstation, or music from a phone, directing sound to a chosen output device. 3. Educational and Presentation Environments – Control audio from various source devices during lessons or presentations, sending it to speakers or recording equipment without disconnecting cables. This audio selector delivers a simple, effective way to switch between multiple sources or outputs, providing clear control, compatibility with common 3.5mm devices, and dependable longdistance performance in a compact, easytouse design.