i have a jl audio 300/4 that i installed and its volume is very low...i had another amp running before it and it ran fine.. the input gain i turn it up and down,small difference... powe light turns on , thermal is off, so is low off. anyone help me here? running components and eclipse hu.
freq range - 1x filter slope - 24db filter mode - hp filter freq - 50-500
it has filter mode off/lp/hp, its on hp... thanks for responding. what if the amp once got overheated and now its just weak..i dont know since i never overheat mines..this is a used amplifier.
