Built for those who desire the ultimate surround sound cinematic experience at home, the flagship Denon AVR-A1H 15.4 Channel Receiver is the home audio and video solution for you. It supports up to 9.4.6 Dolby Atmos speaker setup, so you get the ultimate freedom to create the perfect surround sound system. Each of the 15 channels has 150W of amplification, giving you enough power to drive even the most powerful speakers. Get the most out of your music, movie, and gaming experience, heightened by Dolby Atmos, IMAX Enhanced, DTS:X Pro, and Auro 3D. Also features 4 independent subwoofer RCA and XLR outputs with advanced bass management options for bigger, deeper bass response. Furthermore, this home theater receiver supports 4K/120 and 8K on all of the 7 HDMI inputs and 2 of the 3 HDMI 2.1 outputs. Setting up your surround sound receiver is made easy with the Audyssey Room Correction Suite and the intuitive HD user interface that walks you through simple, clear instructions to connect your AVR.