Subwoofer problems

[darkey01]

Hello,
I have a Yamaha yst sw40 sub and its playing up it still turns on but makes a horid noise and wont produce any bass at all would like some help

 

[americanaudiophile]

It sounds like the amplifier is shot. If it is not in warranty it is usually not worth repair in a sub of this price . Cheaper to replace the whole thing.