... .2MHz(left)-3.8MHz(right) . Front 3.5mm jack for headphones . 1 front DC input jack for cigarete lighter ... . 2 A/V inputs,1 front AV output,one tail cabel AV output . 1 ... halted after use for long time. After serviceIt is detachable front Panel, if you have problem for DVD, just send ... back for the front panel , do not need to send full headrest back, ...