The BOSE Companion 3 Series II Multimedia Subwoofer is a standalone module designed to enhance your home theater speaker system with its powerful subwoofer capabilities. Made by the reputable brand Bose, this black subwoofer is wired and compatible with other Bose products. With its sleek design and superior sound quality, this subwoofer from Mexico is a perfect addition to your computer speakers setup, especially if you are looking to add a deeper bass response to your audio system. Tested. Speaker and power cord only. FAST SHIPPING. THANK YOU.Please follow my store for all the latest and greatest finds.