The Sonos Sub 4 Wireless Subwoofer in Premium White is a high-quality audio device designed for home use. With its Dolby Atmos surround sound format and wireless connectivity, it delivers powerful and immersive sound experiences. The sleek rectangular shape and white color make it a stylish addition to any home audio setup. This subwoofer is compatible with Sonos brand products and features smart home compatibility with Alexa. The 2000 mAh battery capacity ensures long-lasting power, and the 100 W RMS power output delivers impressive sound performance. Perfect for enhancing your TV, video, and music experience at home.