These Bose speakers are designed to work with a computer or a TV monitor in a home theater system. They come with a 172 inch (14.3 foot) cable with a 9 pin plug at one end and a removable plug at the speaker end. Alternatively, you can remove the 9 pin and power them with a receiver or amplifier. Either way you can enjoy Bose famous high quality sound at an incredibly low price. Email or phone 801 487-3047 for a demonstration.