its a AC/DC woofer which you can even power on battery available in 3 amzing colors.
Superb Quality Sound
The subwoofer gives you the best quality sound in a neat, compact unit. It can be easily arranged to match your living room design and give it a classy look at the same time. Powerful audio for full, balanced sound there’s 8000W of power, while the Mega Bass sound setting gives low end tones a boost. It provides awesome surround sound for gamers, movie & music lovers.