21" DIY Subwoofer Bass Test! 20hz! I had to squint there was so much air. Order with code Jilesgsg HD

21" DIY Subwoofer Demo Teaser! Is this what you want to see? Let me know in the comments! The Devastator - Eminence NSW6021-6. GSG Audio! ► Order your GSG Subs here! Use the code Jilesgsg to support the channel! https://bit.ly/3naNZtu If you find value in the content I create, consider supporting me through Patreon: https://www.patreon.com/HomeTheaterFanatics Featured DIY Drivers for the Devastator: Eminence 21" https://amzn.to/2tGkXso B&C 21" https://amzn.to/2rkYArI LaVoce 21" http://www.anrdoezrs.net/links/9157535/type/dlg/https://www.parts-express.com/lavoce-san21450-21-neodymium-subwoofer-8-ohm--293-732 DIY Products: GSG Devastator Kit - https://shop.gsgad.com/products/devastator-21-ported-horn-two-pack Spax Screws Rubber gasket - https://amzn.to/2PJ3mIS 36" Clamps - https://amzn.to/2I7od60 60" Clamps - https://amzn.to/2I76UlC Hand Clamps - https://amzn.to/2IllFR4 Screws - https://amzn.to/2HU4R44 Speakon Connector - http://www.anrdoezrs.net/links/9157535/type/dlg/https://www.parts-express.com/neutrik-nl4mpr-speakon-connector-4-pole-round-chassis-mount--092-054 Titebond III - https://amzn.to/2WCGgEr Speakon Cable - https://amzn.to/2HRXTNa Chisel - https://amzn.to/36Xsy43 Razor Knife - https://amzn.to/2PK68xk 12awg Speaker Wire - https://amzn.to/2SePmbx Crimper - https://amzn.to/2POTcGN Heat Shrink - https://amzn.to/35MMWF1 Room Calibration: MiniDSP UMIK-1 Mic - http://www.anrdoezrs.net/links/9157535/type/dlg/https://www.parts-express.com/minidsp-umik-1-omni-directional-usb-measurement-calibrated-microphone--230-332 MiniDSP 2x4HD - http://www.anrdoezrs.net/links/9157535/type/dlg/https://www.parts-express.com/minidsp-2x4-hd-usb-dac-digital-signal-processor--230-324 Room EQ Wizard Software (FREE) - http://www.roomeqwizard.com/ My Home Theater Photos & Videos: Theater Room Video Tour- https://youtu.be/YexOPehJyGU Full Marty Build - https://youtu.be/-U1deD_0j9c Atmos Install - https://youtu.be/fwkDyrZpBO0 Devastator Build - Coming Soon Jiles Journey - https://youtu.be/ULuIb2Ut7t8 ► ► SHOP OUR ROOMS MY LIVING ROOM SETUP ▶️ VAVA 4K Projector: http://bit.ly/htfvava ▶️ Acurus Muse: http://www.acurusav.com/muse ▶️ Acurus M8: http://www.acurusav.com/m8 ▶️ X-Box Series X - https://shop-links.co/cfGurAzSjD6 ▶️ Shunyata Cables - https://shunyata.com/ ▶️ Starke Sound V64 - https://shop.starkesound.com ▶️ TouchStream Roon Streamer: https://bit.ly/3ijHy4e ▶️ Nvidia Shield TV Pro - https://shop-links.co/cfGG6CxdKGM MY HOME THEATER: ▶️ Amps - Starke Sound A7 & A8 - https://bit.ly/3u8UsWk ▶️ Acurus Act 4 Processor - http://www.acurusav.com/act-4/​ ▶️ Kaleidescape Stratos S - https://shop-links.co/cfGuCJpk7nl ▶️ Zappiti Pro - https://amzn.to/3q5cshS​ ▶️ Panasonic 820 - https://shop-links.co/cfGtYJ3r2vF ▶️ Nvidia Shield TV Pro - https://shop-links.co/cfGupmz1QeJ ▶️ Ultimax UM18-22 - https://amzn.to/3bPR5fC​ ▶️ GSG Subwoofers - https://bit.ly/2PoALLr​ ▶️ Sinbosen FP10000q - https://bit.ly/2ObrLJc​ ▶️ miniDSP 2x4 HD - https://bit.ly/3viyx0b​ ▶️ Velo