
Denon Home 550
Score: 78/100
Denon AVR-X3800H
Score: 83/100Rankings

The Denon AVR-X3800H is a high-end 9.4-channel receiver delivering strong 105 W per-channel power and comprehensive 8K/HDMI 2.1 features. Its main trade-offs are high power draw, considerable weight, and DAC-related noise issues. Ideal for enthusiasts building immersive Atmos setups who value extensive connectivity and HEOS streaming.

The Denon Home 550 is a compact 4-channel soundbar offering virtual Dolby Atmos/DTS:X and full HEOS multi-room support. Its main compromises are the absence of a dedicated subwoofer and limited HDMI inputs. Best suited for small-to-medium rooms where space is at a premium and users value streaming versatility.
| Attribute | ![]() | ![]() |
|---|---|---|
4 | 9.4best | |
2.188 inbest | — | |
| ↓ lower better | — | 660 Wbest |
0.75 inbest | — | |
| ↓ lower better | 7.3 lbbest | 27.6 lb |
1 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(1) | ||
Audio Channels | 4 | 9.4 |
Connectivity(1) | ||
Bluetooth Version | Supported | 4.0 |
General(1) | ||
Warranty (years) | 1 years | 3 years |
Build & Design(2) | ||
System Weight (lb) | 7.3 lb | 27.6 lb |
System Dimensions (H×W×D) (cm) | 65.97×7.49×11.99 cm cm | 45.72×25.4×40.64 cm cm |


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Professional reviewers commend the Denon Home SB550 for its virtual 4‑channel Atmos/DTS:X implementation, wide soundstage, and the convenience of a single HDMI eARC cable that also carries 4K HDR video. They also highlight the HEOS multi‑room ecosystem and the bass boost from three passive radiators, while noting the absence of a dedicated subwoofer and calibration tools as potential drawbacks for audiophiles.
Consumers generally view the SB550 as an easy-to-set-up, space-saving soundbar that offers solid streaming options and immersive virtual surround. Praise centers on the straightforward HDMI eARC hookup and the ability to stream high-resolution music, while the lack of deep bass and unspecified power output are occasional concerns.

Professional reviewers commend the AVR-X3800H for its robust analog amplification, flexible channel configuration, and strong 8K video handling, while consistently pointing out the DAC's elevated noise and jitter as the primary drawback.
Everyday users generally praise the ease of HEOS multi-room streaming, the inclusion of a phono input for vinyl enthusiasts, and the quick Audyssey room-calibration. Recurring complaints focus on DAC-related noise in digital playback and the unit's substantial weight making installation harder.