The AVR-S660H is specifically crafted for 4K or 8K setups, providing outstanding 3D audio for immersive home theater and gaming experiences. With 5.2 channels and 75 watts per channel, it delivers powerful sound. Boasting 8K Ultra HD support, it ensures top-notch visual quality, complemented by 3D audio. Featuring HEOS Built-in technology and 6 HDMI inputs, the AVR-S660H is designed to elevate your audio-visual entertainment to new heights.