Amazon.com: Legrand - OnQ 10 Inch Amplified Subwoofer, 5000 Series, Floor Standing Speaker with 50Hz to 200Hz, Volume Control, Power Switch, Choice of Line Inputs or Outputs, Black, 1 Count, HT5104 : Electronics
In-Floor Subwoofer Build - Techtalk Speaker Building, Audio, Video Discussion Forum
my custom subwoofer enclosure and false floor with bot… | Flickr
Polk Audio CSW100 in-floor in-ceiling subwoofer — Safe and Sound HQ
In Floor Subwoofer Choices, Amps & Installation - Hidden Subwoofer
Under-the-Floor Subwoofer - NextLevel Acoustics
Under-the-Floor Subwoofer - NextLevel Acoustics
RBH Sound SI-1010P In-floor or In-Ceiling Subwoofer Review | Audioholics
Jeep JK Wrangler OEM Rear Alpine Subwoofer in Floor 2015 2016 2017 2018 OIIIIIIO | eBay
Other Speakers
How to Install a Hidden In-Floor or In-Ceiling Subwoofer | Audioholics
How to Connect a Subwoofer: A User's Guide | Klipsch
Audiophiles: How do you isolate subwoofer to prevent vibrations transmission through floor? (DIY solutions) - Quora