The MK1.7 electronics contain everything you need to simply unplug your existing car stereo and plug in your Samsung Tablet. What's in the box?: MK1.7 Electronics installation wiring diagram 220W amplifier Pre-soldered stereo harness. Tested, heat shrunk and Tesa wrapped 1 X 3.5mm right angle headphone to RCA cable 4 X Port USB hub for accessories 1 X Tablet micro-USB or USB-C charge and data cable 1 X USB auxilary charge port 1 X Electrical Noise Filter 1 X Ground Loop Isolator for headphone audio 1 X Remote amp signal wire 1 X Grounding Cable The premium model includes a pre-wired PAC RPA-SPDIF Notes: Please choose either Tab A 8.0" or Tab A 8.4" for the proper cable and USB support Tablet is not included Installing MK1.7 Electronics The MK1.7 Electronics have been designed to be a plug-and-play kit for providing power, audio and USB accessory for your tablet installation. Simply unplug your OEM stereo, and plug in the MK1.7 Electronics directly into your factory stereo harness.