but it also packs a lot of bass for a 10-inch subwoofer. The woofer is a 10-inch front-firing spun-copper woofer, and it’s powered by an all-digital amplifier with 300 watts of peak power.
It's the same principle that Razer's Sensa HD Haptic products use. I first encountered it in the Nari Ultimate headphones, and now it's in a variety of products, including an office chair cushion ...