Denon AVR-689 is a versatile A/V receiver that offers a wide range of features to enhance your home entertainment experience. With its 7.2 channel surround sound capabilities, you can immerse yourself in your favorite movies, music, and games. It supports a variety of video and audio formats, including 4K Ultra HD and Dolby Atmos, ensuring you get the best possible audio and visual quality from your content. The AVR-689 also features Bluetooth connectivity, allowing you to wirelessly stream music from your smartphone, tablet, or other compatible devices.