Features:Portable: super-compact audio switcher just occupies very little space at home, space-saving and easy to carry around.Convenient: it allows for connection of several amplifiers audio equipment, no frequent plugging/unplugging, no software needed.Two-way: 6-in-2-out: connect 6 audio sources(computers/CD player/etc. ) to IN and 2 audio outputs(speakers/etc.) to OUT; 6-out-2-in: connect 2 audio sources to OUT and 6 audio outputs to IN.Easy-to-use Customized: users can select the device they want to use as the audio input or output, switch via control knob with ease.High Quality: audio selector made of durable metal shell, adopts selected electronic parts for stable lossless signal transmission, good sound quality.