Features： 1、Aluminum Alloy Housing: The audio switcher adopts aluminum alloy casing, mini size and refined appearance, the black casing makes it more stylish and powerful. 2、Beautiful Sound Quality: The audio switcher has high frequency electrolytic capacitors and noise reduction circuit design, no background noise, effective audio gain, and improved sound quality. 3、5 Way Stereo: One group stereo audio input, 5 group stereo output, the audio switcher can be connected to 5 power amplifiers or active audio, with gain compensation 2 times amplification. 4、Running Smoothly: Our audio switcher has the advantages of low noise, high fidelity sound quality, and can work stably when powered on for a long time. 5、Easy to Use: Our audio switchers require no special software, apps or drivers to install and are plug and play. Specification： Item Type: Bi Directional Audio Switcher Material: ABS, Aluminum Alloy Working Voltage: DC 12V Input: RCA (L/R) + 3.5mm Output: RCA (L/R) + 3.5mm Compatible Input Devices: DVD, CD, set top box, MP3, TV, cell phone, computer, tablet, turntable, sound card, guitar, bass, electronic musical instrument, game console or other device. Compatible Output Devices: Speakers, Subwoofers, Sound Blasters, Reverbs, AV Receivers, Post Amplifiers, Headphones, etc. Package List： 1 x Bi Direction Audio Switcher