whats up guys

i need help!!!

so i have a jl audio g4500 series amp for my fr and rr speakers. i notice something strange my front left speaker is sounding scratchy and a small non stop humming is coming through it while the tweeter sounds scratchy and very far away .. everything has been working fine for a few months till 24hrs ago i cannot figure this out but the strange part is the amp. once is doing this the protection ligh flickers very slightly it has not messed with any other speaker sound just the from driver side i even tried swit***** speakers and the driver side speaker works fine in other corners of car exept driver side . i check wiring no splice wires nothing grounding .. bottom line i have no clue and so u guys know i have a 2 amp wiring kit from jl audio 2g

any ideas thanks