Optimum Room Locations for Subwoofers An Analysis | Audioholics
Subwoofer Placement In Non-Rectangular Rooms | audioXpress
The Best High-Performance Subwoofer | Reviews by Wirecutter
3 Tips on Where to Place a Subwoofer | Klipsch
How to Choose a Subwoofer – Aperion Audio
Home theater subwoofers buying guide
Recommendation on which SVS sub will work for my room size. : r/hometheater
What Is a Subwoofer? How Bass-Focused Speakers Work
BESTISAN Powered Subwoofer, Deep Bass Subwoofer, Down Firing Sub in Compact Size, Easy Setup with Home Theater System, TV, Receiver, Speakers (RCA Cable Included, Black),SW65C