GSG Audio Design - Here we're test fitting the new Eminence Tour Grade 21 inch subwoofer (NSW6021-6) in two of our new DIY subwoofer cabinet kits. On the top left pic is
![21" DIY Subwoofer Bass Test! 20hz! I had to squint there was so much air. Order with code Jilesgsg - YouTube 21" DIY Subwoofer Bass Test! 20hz! I had to squint there was so much air. Order with code Jilesgsg - YouTube](https://i.ytimg.com/vi/ByCqpSw3Zx4/maxresdefault.jpg)
21" DIY Subwoofer Bass Test! 20hz! I had to squint there was so much air. Order with code Jilesgsg - YouTube
![7 Home Theater Subwoofer Battle: SVS SB2000 Pro vs GSG Devastator vs Kraken/ Marty Cube/ Velodyne - YouTube 7 Home Theater Subwoofer Battle: SVS SB2000 Pro vs GSG Devastator vs Kraken/ Marty Cube/ Velodyne - YouTube](https://i.ytimg.com/vi/K7zaouG-RHw/maxresdefault.jpg)