Denon AVR-X1800H vs Denon AVR-X3800H
The Denon AVR-X1800H costs less ($849 vs $1,799). The Denon AVR-X3800H powers more speakers (9 vs 7), processes more channels (11 vs 7) and is rated for more power (105 W vs 80 W per channel).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| AVR-X1800H | AVR-X3800H | |
|---|---|---|
| Speakers it drives | 98 of 98, 17 after a setting change | 98 of 98, 17 after a setting change |
| Subwoofers that connect | 17 of 17 | 17 of 17 |
| Largest layouts on its own amps | 5.1.2, 7.1 | 5.1.4, 7.1.2 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| AVR-X1800H | AVR-X3800H | |
|---|---|---|
| Amplifier channels | 7 | 9 |
| Processing channels | 7 | 11 |
| Height formats | Dolby Atmos, DTS:X | Dolby Atmos, DTS:X |
| Power | 80 W at 8 Ω | 105 W at 8 Ω |
| Room correction | Audyssey MultEQ XT | Audyssey MultEQ XT32 |
| Size | 17×6×13 in | 17×7×15 in |
| Lowest speaker impedance | 4 Ω | 4 Ω |
| Impedance setting | 8 Ω, 6 Ω, 4 Ω | 8 Ω, 6 Ω, 4 Ω |
| Subwoofer outputs | 2 | 4 |
| Speaker layouts | 7.1, 5.1.2 | — |
| Weight | 8.6 kg (19 lb) | 12.5 kg (27.6 lb) |
| MSRP | $849 each (MSRP, September 2026) | $1,799 each (MSRP, September 2026) |
Every spec and pairing: Denon AVR-X1800H, Denon AVR-X3800H.
Try either one in your own room.
Draw your room in 3D, place it with the rest of your system, and see every connection checked. Designing is free.
References
- Denon AVR-X1800H: Spec sheet, denon.com, retrieved September 15, 2026
- Denon AVR-X1800H: Manufacturer product page, denon.com, retrieved September 15, 2026
- Denon AVR-X1800H: Manufacturer product page, denon.com, retrieved September 15, 2026 (2)
- Denon AVR-X1800H: Owner's manual, manuals.denon.com, retrieved September 15, 2026
- Denon AVR-X1800H: Dimensional drawing, manuals.denon.com, retrieved September 15, 2026
- Denon AVR-X3800H: Spec sheet, denon.com, retrieved September 14, 2026
- Denon AVR-X3800H: Manufacturer product page, denon.com, retrieved September 14, 2026
- Denon AVR-X3800H: Owner's manual, manuals.denon.com, retrieved September 14, 2026
- Denon AVR-X3800H: Owner's manual, manuals.denon.com, retrieved September 14, 2026 (2)
Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.