1、2 Input 1 Output: The input 2 channels of audio sources can be switched to 1 output, which can be used in situations where audio switching is required. 2、Key Switching: The module is to switch the audio signal through the key switch, which is convenient and quick to operate. 3、Standard Plug Socket: Input socket is 5 standard audio plug, and output end is 5 audio socket and XH terminal. 4、Compact Structure: The audio switching module has a small and compact structure, is easy to install and does not take up space. 5、Good Compatibility: The audio switching board adopts standard parts, which has the advantages of good compatibility and contact. 1 x Audio Switching Module Item Type: Audio Switching ModuleProduct Model: XH-M371Product Function: Switch output of 2 way signalsInput Socket: 3.5 standard audio plugOutput Type: 3.5 audio socket + XH terminalSwitching Method: Key switchingAppearance Size: Approx. 42 x 30mm / 1.7 x 1.2in(without red protruding parts)