Onkyo TX-SR494 vs Yamaha RX-V4A
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Choosing between the Onkyo TX-SR494 and Yamaha RX-V4A? Both compete in the AVR / Receiver segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Onkyo TX-SR494 scores higher in value, form factor, room fit, future-proofing. The Yamaha RX-V4A leads in gaming performance, ease of use. They score similarly in audio quality, volume/SPL.
For audio processing, these receivers feature channel configurations of 7.2 vs 5.2 and different room correction systems (AccuEQ Advance vs YPAO (N/A)). 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-SR494 holds an advantage across more performance dimensions, but the Yamaha RX-V4A 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-SR494 is the stronger choice — it leads in 4 of 8 scored dimensions. The Yamaha RX-V4A makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Onkyo TX-SR494
Yamaha RX-V4A
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Count | 7.2 | 5.2 |
| Powered Channels | 7 | 5 |
| Max Processing Ch | 7.2 | — |
| Amplifier Class | — | AB |
| Watts/Ch (8Ω) | 80W | 80W |
| Watts/Ch (6Ω) | — | — |
| Min Impedance | 4-16 ohm | 6-ohm |
| HDMI Inputs | 4 | 4 |
| HDMI Outputs | 1 | 1 |
| HDMI Version | 2.0b | 2.1 |
| 4K/120Hz | No | Yes |
| 8K/60Hz | No | Yes |
| eARC | No | Yes |
| ALLM | No | Yes |
| VRR | No | Yes |
| Dolby Vision | Yes | Yes |
| HDR10 | No | Yes |
| HDR10+ | No | Yes |
| HLG | No | Yes |
| Dolby Atmos | Yes | No |
| Atmos Height Virt. | No | No |
| Dolby TrueHD | Yes | Yes |
| DTS:X | Yes | No |
| DTS Virtual:X | No | No |
| DTS-HD Master | Yes | Yes |
| Auro-3D | No | No |
| Room Correction | AccuEQ Advance | YPAO (N/A) |
| Room Corr. Tier | BASIC | BASIC |
| Dirac Live | No | No |
| Dirac Bass Control | No | No |
| Wi-Fi | No | Yes |
| Bluetooth | Yes | Yes |
| BT Transmit | No | Yes |
| AirPlay 2 | No | Yes |
| Google Cast | Yes | No |
| Spotify Connect | Yes | Yes |
| 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 | No |
| Google Assistant | No | No |
| Siri/HomeKit | No | No |
| Works with Sonos | No | No |
| Wireless Rears | No | Yes |
| Zone 2 | Yes | No |
| Zone 3 | Yes | No |
| Zone 4 | No | No |
| Coax Digital In | 1 | 1 |
| Optical Digital In | 1 | 1 |
| Phono Input | Yes | No |
| USB Input | Yes | Yes |
| Sub Outputs | 2 | 2 |
| Pre-Out Channels | 7 | 0 |
| Headphone Out | No | Yes |
| XLR Input | No | No |
| Speaker Terminals | — | Binding Posts |
| Remote App | Yes | Yes |
| AM/FM Tuner | — | — |
Key Differences
- Room Correction: Onkyo TX-SR494 at AccuEQ Advance vs Yamaha RX-V4A at YPAO (N/A). 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.
- Min Impedance: Onkyo TX-SR494 at 4-16 ohm vs Yamaha RX-V4A at 6-ohm
- Powered Channels: Onkyo TX-SR494 at 7 vs Yamaha RX-V4A at 5
- Channel Count: Onkyo TX-SR494 at 7.2 vs Yamaha RX-V4A at 5.2. 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.
- HDMI Version: Onkyo TX-SR494 at 2.0b vs Yamaha RX-V4A at 2.1
Which Should You Choose?
Choose Onkyo TX-SR494 if you want:
- + 7.2 channel layout for more immersive Atmos configurations
See Where These Rank
Check our editorial rankings to see how Onkyo TX-SR494 and Yamaha RX-V4A 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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