4K Ultra HD HDMI Support Providing complete compatibility with the latest HDMI standards, this AV receiver delivers transmission of 4K video at 60 frames/second pass-through. It also supports HDR (high dynamic range) Video including Dolby Vision and Hybrid Log-Gamma which provides incredible contrast, smooth tone and rich, bright colors-giving you full, high-definition enjoyment with an exceptionally realistic and natural picture quality. CINEMA DSP Exclusive Yamaha CINEMA DSP technology supports playback of HD Audio (Dolby TrueHD, DTS-HD Master Audio, etc.), providing natural and expansive sound imaging. CINEMA DSP transforms the dynamics of the listening environment, with acoustic reproduction of famous venues such as the Bottom Line, Roxy Theater, and European cathedrals-letting you experience their ambience right in your room. Easy Sound Optimization with YPAO YPAO (Yamaha Parametric room Acoustic Optimizer) analyzes the room acoustics and your system, then precisely adjusts various audio parameters to provide the best sound for your room. By placing the supplied microphone at your listening position and switching YPAO on, the system is automatically tuned for optimum performance in your home. Discrete Amp Configuration The RX-V385 was designed with a strong focus on achieving exceptionally high-clarity sound. It employs a discrete amp configuration and a low-jitter PLL circuit, which contributes to its excellent audio performance.