I have a rockford fosgate r1000-1d amp, a p3d412 sub *at 4ohms*can you help

aliem28

New member
me tune my amp please? I have installed bass blockers in my speakers at 150hz; can you help me with where to place my LPF knob at please? and maybe explain what an LPF is? Also, where should i set my punch bass? Thank you!
 
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