PLS HELP accidentally plug into subwoofer output jack
 

can anyone help me fixing my dead player.. :cry: :cry:
y friend accidentally plug my Rockchip mp4 speaker out into my subwoofers output jack... i didnt notice what he did then i suddenly heard sound like when you tuning Am radio..
now when im plugging earphone in my mp4.. no sound at all and it hangs. the volume turns down automatically..
i tried to update firmware but in the process its hang also..

is there anyway to fix this or its totaly dead?
sorry for my bad english