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The Denon AVR-X6800H is a powerful 11.4 channel AV receiver delivering 140 watts per channel, making it well-suited for large home theaters seeking immersive sound. It supports a wide range of advanced audio formats including Dolby Atmos, DTS:X, IMAX Enhanced, and Auro 3D, along with Dolby Atmos Height Virtualization which creates virtual height effects even without ceiling speakers. On the video front, it handles 8K signals, supports modern HDR formats like Dolby Vision, HDR10+, and Dynamic HDR, and offers 8K upscaling for compatible sources.
Connectivity is robust, with 10 HDMI ports (7 inputs, 3 outputs) supporting 8K/60Hz, VRR, and Auto Low Latency Mode—features that also benefit gamers by reducing lag and visual tearing. The receiver includes built-in WiFi, Bluetooth, and HEOS multi-room streaming for flexible wireless audio. The Audyssey MultEQ XT32 and SubEQ HT room calibration system helps optimize sound tailored to your space, while the on-screen setup guide makes installation easier for non-experts. Pre-outs for multiple subwoofers and a 2-channel amp add versatility for expanding your system.
A notable consideration is its relatively large size and weight (over 34 pounds), which might require a sturdy shelf. Although priced on the higher side, its extensive feature set, high power, and video compatibility make it a solid choice for enthusiasts wanting a future-proof AV receiver that excels in both audio quality and home theater video performance.
The Denon AVR-X4800H is a powerful 9.4-channel AV receiver delivering 125 watts per channel, making it well-suited for larger home theaters that need immersive surround sound. It supports advanced 3D audio formats like Dolby Atmos, DTS:X Pro, and Auro 3D, plus virtual height effects without additional speakers, which is great for creating a rich sound environment. On the video side, it handles 8K/60Hz passthrough and supports popular HDR formats such as Dolby Vision and HDR10+, ensuring sharp, vibrant images on compatible TVs.
Connectivity is comprehensive with 10 HDMI ports, including 8K and 4K/120Hz support, plus analog, digital, and phono inputs, so you can easily connect multiple devices like Blu-ray players, turntables, and subwoofers. The built-in Wi-Fi and Bluetooth, along with HEOS multi-room streaming, allow seamless wireless music playback throughout your home via services like Spotify and TIDAL. The receiver includes room calibration technology to optimize sound based on your room's acoustics, enhancing the listening experience.
While the receiver offers extensive surround sound and video features, the user interface can feel complex for beginners, and the size and weight are substantial, so it requires a good setup space. This Denon model is well-suited for audio enthusiasts seeking a top-tier receiver with modern connectivity and immersive sound, though its advanced features might be overwhelming for casual users.
The Denon AVR-X3800H is a powerful and versatile 9.4-channel receiver, making it ideal for those looking to create an immersive home theater experience. With a power output of 105W per channel, it provides ample power for a robust and dynamic audio performance. Its standout feature is the support for 8K/60Hz pass-through, ensuring compatibility with the latest high-resolution video content, along with advanced video formats like HDR10+, Dolby Vision, and Dynamic HDR for an exceptional visual experience.
The receiver also excels in audio formats, supporting Dolby Atmos, DTS:X, IMAX Enhanced, and Auro 3D, which together offer a 3D audio experience that brings movies and music to life. The inclusion of Dolby Height Virtualization and DTS Virtual:X further enhances the surround sound effect without the need for additional height speakers. Connectivity is another strength, with 9 HDMI 2.1 ports, built-in Wi-Fi, Bluetooth, and HEOS multi-room streaming. This allows for seamless integration with various devices, ranging from HD and UHD TVs to turntables and Blu-ray players.
The room calibration feature, powered by the Audyssey Room Correction Suite, provides accurate speaker tuning for optimal sound performance tailored to your room's acoustics. The user interface, featuring an easy on-screen HD GUI setup assistant, simplifies the installation process, making it accessible even for non-tech-savvy users. Its weight of 27.6 pounds and larger dimensions may be cumbersome for some setups, and its high level of functionality might be overwhelming for casual users who do not require such extensive features. For those who want a high-end, future-proof receiver for a large-scale home theater system, the Denon AVR-X3800H is a compelling option.
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