The Sony SA-WIS100 Surround Sound Subwoofer is a sleek and powerful home theater addition that offers various input/output options for versatile connectivity. With a 5.1 channel system configuration and compatibility with universal brands and models, this black rectangular subwoofer delivers immersive surround sound through DTS, Dolby Pro Logic, and Dolby Digital formats. Equipped with a built-in 5.1 channel amplifier and various audio inputs including HDMI, the Sony SA-WIS100 provides a convenient and high-quality audio experience. Perfect for enhancing your home entertainment setup, this subwoofer from Sony delivers impressive RMS power of 450.