Subwoofer is a small look of woofer. It is both big and small in size and for its shallow size it is called shallow mount subwoofer. It also comes in a medium size. Some sub needs amplifier and some are bluetooth woofers. It gives a extra high punchy bass and clearly notable sound. So you will really love this cool gadget to have in your car. You can choose this subwoofers based on your needs and budget. See more: https://outdoorsumo.com