
Onkyo TX-RZ50
Score: 82/100
Onkyo TX-NR6100
Score: 80/100Rankings

The Onkyo TX-RZ50 is a flagship 9.2-channel AV receiver offering 120 W per channel, Dirac Live room correction and THX certification, aimed at high-end home-theater installations. It provides extensive HDMI 2.1 features but suffers from UI and firmware issues.

The Onkyo TX-NR6100 is a THX Certified Select 7.2-channel AV receiver offering high-performance audio with Dolby Atmos and DTS:X support, and robust HDMI 2.1 connectivity for 8K/60p and 4K/120Hz video. It combines extensive streaming options, bi-directional aptX HD Bluetooth, and flexible multi-zone playback for modern home-theater setups.
| Attribute | ![]() | ![]() |
|---|---|---|
120 wattsbest | 100 watts | |
106 dBbest | 106 dBbest | |
5 Hzbest | — | |
100,000 Hzbest | — | |
9.2best | 7.2 | |
| ↓ lower better | 14.001 kg | 10.394 kgbest |
— | 6 countbest | |
— | 2 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Physical Specs(1) | ||
Weight (kg) | 14.001 kg | 10.394 kg |
Warranty & Support(1) | ||
Warranty Period (years) | 3 years | 2 years |
Audio Performance(3) | ||
Power Output (watts) | 120 watts | 100 watts |
Channels | 9.2 | 7.2 |
Supported Audio Formats | WMA | FLAC, ALAC, WAV, AIFF, DSF, DSDIFF |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the TX-RZ50 for its inclusion of full-band Dirac Live, robust 9-channel amplification and comprehensive HDMI 2.1 feature set, while noting a dated UI and lack of 8K upscaling.
Everyday users appreciate the powerful amplification, immersive Atmos support and noticeable improvement from Dirac Live, but report occasional firmware glitches and a hard-to-read front-panel.

Professional reviewers praise the TX-NR6100 for delivering THX-level audio fidelity and future-proof HDMI 2.1 features that cater to gamers and high-resolution video enthusiasts. They note the solid soundstage and comprehensive streaming ecosystem, while critiquing the modest AccuEQ correction and the lack of a pre-amp output for audiophile-grade setups.
Everyday users consistently highlight the receiver's impressive sound quality, versatile zone capabilities, and reliable Bluetooth streaming. Common complaints revolve around the plastic front panel, the basic remote, and the hidden web UI login, but overall satisfaction remains high for its price-to-performance ratio.
“Some users reported HDMI handshake issues and Ethernet recognition problems during updates, requiring power cycles.”

