Denon AVR-X3800H vs Onkyo TX-RZ30

The Denon AVR-X3800H processes more channels (11 vs 9), is rated for more power (105 W vs 100 W per channel) and has more subwoofer outputs (4 vs 2). The Onkyo TX-RZ30 costs less ($1,000 vs $1,799).

What each one works with

Checked against every product in our catalogue by the same engine as the compatibility checker.

AVR-X3800HTX-RZ30
Speakers it drives98 of 98, 17 after a setting change98 of 98, 17 after a setting change
Subwoofers that connect17 of 1717 of 17
Largest layouts on its own amps5.1.4, 7.1.27.1.2

Specs side by side

Values that differ are bold. A dash means that model doesn't publish the spec.

AVR-X3800HTX-RZ30
Amplifier channels99
Processing channels119
Height formatsDolby Atmos, DTS:XDolby Atmos, DTS:X
Power105 W at 8 Ω100 W at 8 Ω
Room correctionAudyssey MultEQ XT32Dirac Live
Size17×7×15 in17×7×15 in
Lowest speaker impedance4 Ω4 Ω
Impedance setting8 Ω, 6 Ω, 4 Ω6 Ω, 4 Ω
Subwoofer outputs42
Weight12.5 kg (27.6 lb)11.5 kg (25.4 lb)
MSRP$1,799 each (MSRP, September 2026)$1,000 each (MSRP, September 2025)
Speaker layouts—7.1.2

Every spec and pairing: Denon AVR-X3800H, Onkyo TX-RZ30.

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

  1. Denon AVR-X3800H: Spec sheet, denon.com, retrieved September 14, 2026
  2. Denon AVR-X3800H: Manufacturer product page, denon.com, retrieved September 14, 2026
  3. Denon AVR-X3800H: Owner's manual, manuals.denon.com, retrieved September 14, 2026
  4. Denon AVR-X3800H: Owner's manual, manuals.denon.com, retrieved September 14, 2026 (2)
  5. Onkyo TX-RZ30: Owner's manual, assets.onkyo-av.com, retrieved September 15, 2026
  6. Onkyo TX-RZ30: Retailer listing, web.archive.org, retrieved September 15, 2026

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