Onkyo TX-RZ70 vs Yamaha RX-A4A
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Choosing between the Onkyo TX-RZ70 and Yamaha RX-A4A? Both compete in the AVR / Receiver segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The Onkyo TX-RZ70 scores higher in audio quality, volume/SPL, form factor, room fit, future-proofing. The Yamaha RX-A4A leads in value, ease of use. They score similarly in gaming performance.
For audio processing, these receivers feature channel configurations of 11.2 vs 7.2 and different room correction systems (Dirac Live vs YPAO (Yes with R.S.C. (Reflected Sound Control), 3D, 64-bit High Precision EQ Calculation, Low Frequency mode and Angle Measurement)). More channels enable immersive Atmos layouts. A 9-channel receiver can drive a 5.1.4 layout (5 ear-level, 1 sub, 4 height speakers) for overhead sound effects. Room correction compensates for acoustic problems caused by room dimensions, furniture, and surfaces. Dirac Live applies time-domain FIR correction across the full spectrum; MultEQ XT32 measures at 32,768 frequency points.
The Onkyo TX-RZ70 holds an advantage across more performance dimensions, but the Yamaha RX-A4A may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the Onkyo TX-RZ70 is the stronger choice — it leads in 5 of 8 scored dimensions. The Yamaha RX-A4A makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Count | 11.2 | 7.2 |
| Powered Channels | 11 | 7 |
| Max Processing Ch | 11.2 | 7.2 |
| Amplifier Class | AB | AB |
| Watts/Ch (8Ω) | 140W | 110W |
| Watts/Ch (6Ω) | — | — |
| Min Impedance | 4-ohm | 4-ohm |
| HDMI Inputs | 7 | 7 |
| HDMI Outputs | 3 | 3 |
| HDMI Version | 2.1 | 2.1 |
| 4K/120Hz | Yes | Yes |
| 8K/60Hz | Yes | Yes |
| eARC | Yes | Yes |
| ALLM | Yes | Yes |
| VRR | Yes | Yes |
| Dolby Vision | Yes | Yes |
| HDR10 | Yes | Yes |
| HDR10+ | Yes | Yes |
| HLG | Yes | Yes |
| Dolby Atmos | Yes | Yes |
| Atmos Height Virt. | Yes | Yes |
| Dolby TrueHD | No | Yes |
| DTS:X | Yes | Yes |
| DTS Virtual:X | Yes | No |
| DTS-HD Master | No | Yes |
| Auro-3D | Yes | No |
| Room Correction | Dirac Live | YPAO (Yes with R.S.C. (Reflected Sound Control), 3D, 64-bit High Precision EQ Calculation, Low Frequency mode and Angle Measurement) |
| Room Corr. Tier | REFERENCE | REFERENCE |
| Dirac Live | Yes | No |
| Dirac Bass Control | No | No |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| BT Transmit | Yes | Yes |
| AirPlay 2 | Yes | Yes |
| Google Cast | No | No |
| Spotify Connect | No | No |
| Roon Tested | No | Yes |
| HEOS | No | No |
| MusicCast | No | Yes |
| DTS Play-Fi | Yes | No |
| BluOS | No | No |
| Ethernet | Yes | Yes |
| Alexa Built-in | No | Yes |
| Google Assistant | No | Yes |
| Siri/HomeKit | No | No |
| Works with Sonos | No | No |
| Wireless Rears | No | Yes |
| Zone 2 | No | Yes |
| Zone 3 | No | No |
| Zone 4 | No | No |
| Coax Digital In | 2 | 1 |
| Optical Digital In | 2 | 2 |
| Phono Input | No | Yes |
| USB Input | Yes | Yes |
| Sub Outputs | 2 | 2 |
| Pre-Out Channels | 11 | 7 |
| Headphone Out | No | Yes |
| XLR Input | No | No |
| Speaker Terminals | Binding Posts | Binding Posts |
| Remote App | Yes | Yes |
| AM/FM Tuner | AM/FM | AM/FM |
Key Differences
- Room Correction: Onkyo TX-RZ70 at Dirac Live vs Yamaha RX-A4A at YPAO (Yes with R.S.C. (Reflected Sound Control), 3D, 64-bit High Precision EQ Calculation, Low Frequency mode and Angle Measurement). Room correction compensates for acoustic problems caused by room dimensions, furniture, and surfaces. Dirac Live applies time-domain FIR correction across the full spectrum; MultEQ XT32 measures at 32,768 frequency points.
- Coax Digital In: Onkyo TX-RZ70 at 2 vs Yamaha RX-A4A at 1
- Powered Channels: Onkyo TX-RZ70 at 11 vs Yamaha RX-A4A at 7
- Pre-Out Channels: Onkyo TX-RZ70 at 11 vs Yamaha RX-A4A at 7
- Channel Count: Onkyo TX-RZ70 at 11.2 vs Yamaha RX-A4A at 7.2. More channels enable immersive Atmos layouts. A 9-channel receiver can drive a 5.1.4 layout (5 ear-level, 1 sub, 4 height speakers) for overhead sound effects.
Which Should You Choose?
Choose Onkyo TX-RZ70 if you want:
- + 11.2 channel layout for more immersive Atmos configurations
- + better watts/ch (8ω) — real-world power matters for dynamic headroom
See Where These Rank
Check our editorial rankings to see how Onkyo TX-RZ70 and Yamaha RX-A4A compare to the rest of the field.
Best AVR / Receiver RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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