Onkyo TX-NR6100 vs Onkyo TX-RZ50
The Onkyo TX-NR6100 costs less ($799 vs $1,599). The Onkyo TX-RZ50 powers more speakers (9 vs 7), processes more channels (11 vs 7) and is rated for more power (120 W vs 100 W per channel).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| TX-NR6100 | TX-RZ50 | |
|---|---|---|
| Speakers it drives | 98 of 98 | 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.
| TX-NR6100 | TX-RZ50 | |
|---|---|---|
| Amplifier channels | 7 | 9 |
| Processing channels | 7 | 11 |
| Height formats | Dolby Atmos, DTS:X | Dolby Atmos, DTS:X |
| Power | 100 W at 8 Ω | 120 W at 8 Ω |
| Room correction | AccuEQ | Dirac Live |
| Size | 17×7×15 in | 17×8×16 in |
| Lowest speaker impedance | 4 Ω | 4 Ω |
| Subwoofer outputs | 2 | 2 |
| Weight | 9.8 kg (21.6 lb) | 14 kg (30.9 lb) |
| MSRP | $799 each (MSRP, May 2025) | $1,599 each (MSRP, September 2026) |
| Impedance setting | — | 6 Ω, 4 Ω |
| Speaker layouts | — | 7.1.4 |
Every spec and pairing: Onkyo TX-NR6100, Onkyo TX-RZ50.
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References
- Onkyo TX-NR6100: Spec sheet, assets.onkyo-av.com, retrieved September 15, 2026
- Onkyo TX-NR6100: Retailer listing, web.archive.org, retrieved September 15, 2026
- Onkyo TX-RZ50: Owner's manual, assets.onkyo-av.com, retrieved September 15, 2026
- Onkyo TX-RZ50: Spec sheet, assets.onkyo-av.com, retrieved September 15, 2026
- Onkyo TX-RZ50: Retailer listing, upscaleaudio.com, retrieved September 15, 2026
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