Placing a subwoofer in corner of room can make it sound louder - Klipsch | Subwoofer, Klipsch, Audio stand
3 Tips on Where to Place a Subwoofer | Klipsch
6.5 Inches Subwoofer BOX L Ported Enclosure 20hz, 25hz, 30hz, 35hz & 40hz Tuning Available Ready to Use with Terminal, Speaker Wire, & Corner Guards Subwoofer Enclosure Box for Vented Type 6.5
Subwoofer Placement: How to Place Your Subwoofer for Optimal Sound | Woofer Guy
Rel Acoustics How To: High & Low Level Subwoofer Tuning Step 2, Adjusting Corner Placement | After completing "Step 1: Finding the Correct Phase" the next step is to adjust your REL
Optimal placement of the subwoofer with SLAPS - EarthquakeSound.eu