Front- and down-firing subwoofers -- Teufel Audio blog
Side mounted woofer x-over freq - Techtalk Speaker Building, Audio, Video Discussion Forum
Front- and down-firing subwoofers -- Teufel Audio blog
Front of room sub firing sideways vs forward? | AVS Forum
Dual Side Firing Subwoofer in Tower Speakers | diyAudio
Amazon.com: BESTISAN Powered 6.5'' Home Audio Subwoofer, Deep Bass Response Subwoofers in Compact Design, Easy Setup with Home Theater Systems, TV, Speakers, RCA, Black : Electronics
Can You Put a Subwoofer on Its Side? - The Home Theater DIY
Side-Firing Subwoofer | Tech Speakers
Down-Firing Subwoofer - Placement and Orientation | AV Gadgets
Down-Firing vs Front-Firing Subs: A Subwoofer Comparison Guide – Klipsch Canada
Jamo Torsten 360 Series 10" Wireless Side Firing Subwoofer for Soundbar - Black | eBay
Klipsch C Series C-310 Powered Subwoofer with dual 10" side-firing MDF passive radiators, Audio, Soundbars, Speakers & Amplifiers on Carousell
Jamo Torsten 360 Series 10" Wireless Side Firing Subwoofer for Soundbar - Black | eBay