4-Way Bi-Directional Stereo Audio Switch, 1 in 4 Out or 4 in 1 Out, L/R Sound Channel Audio Switch Splitter Stereo Switch Selector for DVD Stereo Speaker CD Player Description: This is a bidirectional switcher for L/R channel audio ports. L/R Audio selector designed for customers having several audio sources and outputs. Instructions for Use: It can easily switch four L / R analog sound signal sources to one L / R analog signal amplification device. 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 switch has a sturdy construction, all metal, beautiful appearance and reasonable design. Specification: Interfaces: 5 x R/L Jack Knob: 1 x Selector Knob Dimensions: 107 x 92 x 41 mm (L x W x H) Weight: 379g Color: Black Material: Iron Compatibility: Used for Legacy Systems Game Console/ CD Player/ DVD/ TV/ / TAPE/ TUNER/ Tube Amplifier/ Digital Power Amplifier/ Headphone Amplifier. Any device with L/R Sound Channel is compatible. Due to different product batches, the appearance , but it not affect the use Package Contents: 1 x L / R Stereo Audio Bi-Directional Switcher 1 x L / R stereo cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.