Pioneer SP-SB03 Andrew Jones Speaker Base TV Audio System Composite wood delivers better acoustic properties compared to the more common plastic cabinets Optical, analog, and Bluetooth connectivity allows for simple installation 2 Mid-Range Drivers, 2 Tweeters, and 2 built-in woofers - each with its own amplifier - provide room filling sound Enjoy your favorite music streamed wirelessly from your smartphone or tablet Three selectable listening modes designed specifically to optimize movies, music, and dialogue