Mini 2-IN-4-OUT Stereo Audio Selector Amplifier Switcher Box Speaker Splitter SP-24B Speaker Selector Box Features: 1. 2-IN-4-OUT Audio selector, the input can be connected to 2 amplifiers, and the output has 4 interfaces, which can be connected to speakers._x000D_ 2. The panel has Push-Button input and output switching buttons, manual switching, stable sound without interference; no need to plug in, easy to use and save energy._x000D_ 3. There is a non-slip pad at the bottom to protect your desktop; using audio equipment with a switch can avoid the wear and tear of the interface caused by plugging and plugging, and prolong the service life of the audio equipment._x000D_ _x000D_ Parameters: _x000D_ SP-24B Version_x000D_ Audio input: Stereo RCAx2_x000D_ Audio output: Stereo RCAx4_x000D_ Material: plastic_x000D_ colour: black_x000D_ _x000D_ Package Contents: _x000D_ 1 x Speaker Selector Box_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_