Whats wrong with my xRocker XPRO Pedestal?

i have been using my gaming chair for 2 years saturday and i was wondering why it wont play on my playstation 3 it used to work but then like 1 month ago it just randomly stopped working and i knew that the speakers were working because when i turn it on i hear the speakers make a Noise so today i tryed out a new connection lead and it worked but after like 2 hours i fell asleep and when i woke up it didn't work and i know the speakers work so i need just need to know whats wrong with it and how do i fix it Thanks for reading