about a week ago my system stopped playing bass all together. its in a 98, everythings stock execept the amp to power my subs. i checked the fuses under the hood and by the steering column, my amp and subs are fine too, everything has power cept theres no bass signal or something. i did some research and couldnt find anything helpful. i have no idea what to do next, was wondering if u guys know what todo

 

which fuses did you check? front and rear subs?