Denon AVR-S270BT vs Onkyo TX-SR393
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Choosing between the Denon AVR-S270BT and Onkyo TX-SR393? 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 Denon AVR-S270BT scores higher in form factor, room fit. The Onkyo TX-SR393 leads in value, volume/SPL, future-proofing. They score similarly in audio quality, gaming performance, ease of use.
For audio processing, these receivers feature channel configurations of 5.1 vs 5.2 and different room correction systems (Yes vs AccuEQ Advance). 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.
These two AVR / Receiver options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Onkyo TX-SR393 is the stronger choice — it leads in 3 of 8 scored dimensions. The Denon AVR-S270BT makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Denon AVR-S270BT
Onkyo TX-SR393
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Count | 5.1 | 5.2 |
| Powered Channels | 5 | 5 |
| Max Processing Ch | — | 5.2 |
| Amplifier Class | AB | — |
| Watts/Ch (8Ω) | 70W | 80W |
| Watts/Ch (6Ω) | — | — |
| Min Impedance | 6-ohm | 4-16 ohm |
| HDMI Inputs | 5 | 4 |
| HDMI Outputs | 1 | 1 |
| HDMI Version | 2.0b | 2.0b |
| 4K/120Hz | No | No |
| 8K/60Hz | No | No |
| eARC | No | No |
| ALLM | No | No |
| VRR | No | No |
| Dolby Vision | Yes | Yes |
| HDR10 | Yes | No |
| HDR10+ | No | No |
| HLG | Yes | No |
| Dolby Atmos | No | Yes |
| Atmos Height Virt. | No | No |
| Dolby TrueHD | No | Yes |
| DTS:X | No | Yes |
| DTS Virtual:X | No | No |
| DTS-HD Master | No | Yes |
| Auro-3D | No | No |
| Room Correction | Yes | AccuEQ Advance |
| Room Corr. Tier | — | BASIC |
| Dirac Live | No | No |
| Dirac Bass Control | No | No |
| Wi-Fi | No | No |
| Bluetooth | Yes | Yes |
| BT Transmit | No | No |
| AirPlay 2 | No | No |
| Google Cast | No | Yes |
| Spotify Connect | No | Yes |
| Roon Tested | No | No |
| HEOS | No | No |
| MusicCast | No | No |
| DTS Play-Fi | No | Yes |
| BluOS | No | No |
| Ethernet | No | Yes |
| Alexa Built-in | No | No |
| Google Assistant | No | No |
| Siri/HomeKit | No | No |
| Works with Sonos | No | No |
| Wireless Rears | No | No |
| Zone 2 | No | Yes |
| Zone 3 | No | Yes |
| Zone 4 | No | No |
| Coax Digital In | 0 | 1 |
| Optical Digital In | 2 | 1 |
| Phono Input | No | Yes |
| USB Input | No | Yes |
| Sub Outputs | 1 | 2 |
| Pre-Out Channels | 0 | 5 |
| Headphone Out | Yes | No |
| XLR Input | No | No |
| Speaker Terminals | Binding Posts | — |
| Remote App | No | Yes |
| AM/FM Tuner | — | — |
Key Differences
- Room Correction: Denon AVR-S270BT at Yes vs Onkyo TX-SR393 at AccuEQ Advance. 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.
- Optical Digital In: Denon AVR-S270BT at 2 vs Onkyo TX-SR393 at 1
- Sub Outputs: Denon AVR-S270BT at 1 vs Onkyo TX-SR393 at 2
- Min Impedance: Denon AVR-S270BT at 6-ohm vs Onkyo TX-SR393 at 4-16 ohm
- HDMI Inputs: Denon AVR-S270BT at 5 vs Onkyo TX-SR393 at 4
Which Should You Choose?
Choose Denon AVR-S270BT if you want:
- + better hdmi inputs
Choose Onkyo TX-SR393 if you want:
- + 5.2 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 Denon AVR-S270BT and Onkyo TX-SR393 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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