Instead of price difference (around $500-600), there are numerous distinctions between Denon X4000 Vs 4520. The most important thing to think about is that the 4520 has 9 amps built-in, and can expand to 11 channels instead of 7/9 on the X4000. The 4520 is also bigger, weightier and features better build quality. Please take a look the full comparison below.
Denon AVR-X4000
7.2-Channel 4K Ultra HD Networking Home Theater AV Receiver with AirPlay
The AVR-X4000 7.2 Channel Network Home Theater Receiver from Denon brings together sophisticated networking technology with effective surround sound performance and an desirable light weight aluminum front panel. Audyssey DSX and DTS Neo:X allow you to enjoy a significantly improved front soundstage via additional front height as well as wide speakers. The receiver’s network features supports Internet radio services including SiriusXM, Pandora, and Spotify. Support for Apple’s AirPlay technology ensures that you are able to stream music from your iPod touch, iPhone, or even iPad via your home network, as well as from iTunes on your PC or Mac. The delicate video processor consists of SD-to-HD upscaling, together with 4K Ultra HD (3840×2160) for the next era of 4K Ultra HDTVs.
The AVR-X4000 A/V receiver comes with Denon technologies that supply exceptional sound and movie quality through 7.2 channels. Additionally, it supplies a insightful features for enjoying audio or video programs, such as 4K Ultra HD upscaling, AirPlay for streaming music from an iTunes library, Spotify playback, internet radio broadcasts, playback of music stored on a networked PC or hard disk in addition to HD audio music sources, and a multi-zone feature that allows others take pleasure in music or video entertainment in a separate room while you enjoy your own programs in the primary room. The superior surround sound capabilities of the AVR-X4000 can be extended to a maximum of 9.2 channels by adding a separate power amp.
Denon AVR-4520CI
Networking Home Theater AV Receiver with AirPlay
Denon IN-Command AVR-4520CI A/V Receiver is a centerpiece addition to any kind of home theater system and the flagship model in Denon’s line of IN-Command A/V Receivers. It offers 150 watts per channel–more than enough energy for the largest of rooms and the most challenging of speakers. With 7 HDMI inputs and 3 HDMI outputs, the receiver allows you to enjoy high-definition video and audio from a selection of devices in multiple areas. The AVR-4520CI incorporates true multi-zone HDMI audio/video distribution with its HDMI matrix-switching functionality.
9.2 Channel 4K Video & 3D Video Pass Through Networking Home Theater Receiver with Apple Airplay and Multi-Zone Video. For the best home theater experience, the Denon AVR-4520CI networked 9.2 channel A/V receiver sets you in control with its substantial array of network connectivity choices, combined with the most recent 32-Bit high power DSP processing (three 400 MIPS DSP processors). A full suite of the latest high res surround sound decoders includes Dolby TrueHD and DTS HD Master Audio, in addition to Audyssey MultEQ XT32 room acoustic correction as well as Audyssey Sub EQ HT dual subwoofer acoustic correction.
Denon X4000 Vs 4520
| Name | Denon X4000 | Denon 4520 |
|---|---|---|
| Name | Denon X4000 | Denon 4520 |
| Features | - Audyssey Platinum built in - Fully discrete, Class A/B amplification for all 7 channels (125w x 7ch) - Audyssey MultiEQ XT32, Sub EQ HT and Low Frequency Containment - 7 HDMI inputs / 3 HDMI outputs | - 9 discrete 150-watt channels for dynamic sound - 3D and 4K pass-through technology - Advanced circuitry converts all video signals to 4K - Audyssey MultEQ XT32 creates an optimal acoustic profile for your home theater - 7 HDMI inputs / 3 HDMI outputs |
| Ratings | 4.5 out of 5.0 stars | 4.5 out of 5.0 stars |
| Price | ||
| Best deal | Save 38% please click here | Save 54% please click here |
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Decision
Let us make you a simple thing to consider. If you do not see yourself heading past a 7-speaker set-up, then the X4000 should be good. If you’re planning on adding heights or wide, then the 9 amp channels in the 4520 is going to be beneficial.