6 x 9 speaker boxes have been key in the automotive industry for many reasons. They are able to fill in the gaps for older vehicles that are looking for more sound than what comes from the factory. The King Boxes A69 6-in. x 9-in. pair of speaker boxes has been stapled and glued to ensure your box will not go anywhere! Now you'll be able to start jamming with your choice of 6 x 9 speaker!