4-Way Stereo L/R Sound Channel Bi-Directional Audio Switcher This amazing 4-Way Stereo L/R Sound Channel bidirectional switcher for L / R channel audio ports. L / R Audio selector designed for customers having several audio sources and outputs.. Instructions for Use "1 It can easily switch four L / R analog sound signal sources to one L / R analog signal amplification device. 2 It can also assign one L / R analog sound signal source to four L / R analog signal amplifying devices, allowing you to switch easily " Features: No power supply and other software required; plug and play. Compact easy to place and suitable for your desktop and office. Analog signal maximum support 1.2V p-p I/o Input/output frequency range: 20Hz~20KHz The passive RCA switch has a sturdy construction, all metal,beautiful appearance and reasonable design. Compatibility Used for Legacy Systems Game Console/ CD Player/ DVD/ TV/ DAC/ TAPE/ TUNER/ Tube Amplifier/ Digital Power Amplifier/ Headphone Amplifier. Any device with L/R Sound Channel is compatible. NOTES If you have any questions, please contact customer service, we will do our best to provide you with satisfactory after-sales service support. Package Contents 1*Bi-Directional Audio Switcher