What is a subwoofer, and do you need one? - SoundGuys
How To - Subwoofer Settings in Standard Mode on Pioneer AVH-EX In Dash Receivers 2018 - YouTube
Subwoofer - Wikipedia
What is the best cutoff frequency for a sub woofer? - Quora
Myths & Facts about Loudspeaker Crossovers: Identifying Legitimately High Fidelity Designs | Audioholics
Do subwoofer take away the low frequency from main speakers? | Audio Science Review (ASR) Forum
2.1 Sub integration + REW
The Five Cs of Subwoofer Setup | Wirecutter
Tuning your subs
How to Set Up a Subwoofer for Maximum Punch | PreSonus
How to setup Subwoofer : r/hometheater
How to Set Crossover and Gain on a Subwoofer - REL Acoustics
What is the best cutoff frequency for a sub woofer? - Quora
Woofer crossover & offset
Subwoofer Calibration & Tuning: Getting the Bass Just Right – SVS
Where do I set the crossover control on my subwoofer's back panel? - Blog | Axiom Audio | Axiom Audio
The subwoofer that upgrades the Sub Solo | SA
Subwoofer Controller Frequency, Phase, Gain - Electronic Circuit
Woofer crossover & offset
1 Subwoofer / 2 Subwoofers Measurements | Audio Science Review (ASR) Forum
How to Set the Phase and Crossover Frequency on Your Subwoofer
Subwoofer setup: location, time alignment, distance setup, crossover selection, EQ | AVS Forum
Merlijn van Veen - Subwoofer Alignment: The foolproof relative / absolute method
Woofer crossover & offset
What is Phase Matching Bass and should I use it? | AVS Forum
