This composite AV splitter amplifier allows a single A/V inputs and provides up to 4 A/V outputs. left and right audio signal paths allow compatibility with stereo sources including CD/DVD players, VCRs, video games and satellite receivers. Composite AV splitter: This 4 ports composite AV Splitter allows you to play video from a single source such as DVD player on up to 4 Displays simutaneously. AV single booster: The composite video splitter comes with built-in booster and capable of amplifiering A/V signal. And provide you clean output signals like the signals. Input Interface: 1 3RCA Jack (yellow, white, red) Female Output Interface: 4 3RCA Jack (yellow, white, red) Female 1. Video Input level Resistance: VS 0.8-1.0Vp-p/75Ω Output level Resistance: VS 0.8-1.0Vp-p/75Ω Bandwidth: 50Hz-5.5MHz 2. Audio Input level Resistance: 2V (RMS)/47 KΩ Output level Resistance: 2V (RMS)/1KΩ Audio Frequency:10Hz-20KHz, 0db AC power adapter:DC 12V Size:14.8 x 7.2 x 4cm Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Note:Due to different factory batches, slight differences in silk screen printing not affect use. Colour:Black Material:Metal Package Contents: 1 * Audio Splitter 1 * Power Adapter 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.