The Kenwood KFC-W112S Car Subwoofer size is: 11.81". It will distribute the beats with 800 watts of peak power. Kenwood has always known that the world of entertainment never ceases to change. Which is why it continues to develop innovative technologies that let you enjoy everything the latest media have to offer. Incredible cinema surround sound power and excitement. Outstanding clarity, with even the most subtle sounds faithfully reproduced. All from sleek, esthetically pleasing components. Care to see the future of home theater entertainment? With Kenwood it's in your living room.