Enjoy incredible 8K video and 3D sound from the AVR-X1800H. It easily fills small to medium-sized rooms with great sound from a 7.2 or 5.2.2 setup with Dolby Atmos and DTS:X. And with built-in HEOS®, you can wirelessly stream music and share it with every HEOS-enabled speaker in your home. A great home theater needs an even better heart. The best with 3D sound, 7.2 channels and built-in HEOS®. Ultimate versatility. Brilliant sound. Feel completely enveloped in the sound of your music or movie. Enjoy amazing video quality from the latest 8K technology. With built-in HEOS®, you can easily access streaming music and share it with HEOS-enabled speakers in other rooms. Connect up to two subwoofers for more balanced bass performance throughout the room.