Check the listing for details. Professional Switch Splitter RCA Stereo Switcher Selector Switch Box. Condition: New, Made in China. Listed at 25.52 USD. Features: brand new and high quality RCA L/R stereo switcher 4 IN 1 OUT or 1 IN 4 OUT. Suitable for multiple sources signal select or multi-room paralleled amplifier or active speaker distribution of the same signal playback. Use rotary switch/Lossless device, easily switch between different in or out. Compact easy to place and suitable for your desktop and office. Plug and for play,no power needed. Specifications: Material:Metal Size:3.62x4.21x1.61in Color:Black Package Includes: 1x Bi-Directional Switcher note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.