Home › Owner Reviews › Tony M. Reviews the SB16-Ultra Tony M. Reviews the SB16-Ultra Posted by Ryan Alfredo on August 02, 2019 "Incredible bass. Soft and gentle when you want it. If you want to shake the building, it will do that also."- Tony M. 16-ultra-series, 16-ultra-series-dual-subwoofers, all-products, all-subwoofers, dual-subwoofers, dual-subwoofers-sealed, sb16-ultra, sealed-subwoofers icons/instagram Created with Sketch. Share Share on Facebook Tweet Tweet on Twitter icons/pinterest Created with Sketch. Pin it Pin on Pinterest