Understanding Subwoofer Controls or What Do All Those Things Do, Anyway? - Blog | Axiom Audio | Axiom Audio
The Five Cs of Subwoofer Setup | Wirecutter
Crossover setting on AVH4400NEX for Subwoofer - Should the LPF match the LPF I have set on my amp? And what should the slope be set to? : r/CarAV
The Five Cs of Subwoofer Setup | Wirecutter
KS Series Crossover Settings – Do and Don't - Live Sound
Amazon.com: Polk Audio HTS 12 Powered Subwoofer with Power Port Technology | 12” Woofer, up to 400W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
Making Better Bass, Part 2: Subwoofer Phase - High-Def Digest: The Bonus View
How to Set Up a Subwoofer for Maximum Punch | PreSonus