Definitive Technology Mythos 3C-65 vs Sony BRAVIA Theater Bar 9
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Choosing between the Definitive Technology Mythos 3C-65 and Sony BRAVIA Theater Bar 9? Both compete in the Soundbar 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 Sony BRAVIA Theater Bar 9 leads in value, form factor, room fit. They score similarly in ease of use.
These soundbars differ in channel configurations of 3.0 vs 5.0.2, and only the Sony BRAVIA Theater Bar 9 includes Dolby Atmos support. Atmos adds a height dimension to surround sound, placing sounds above you. It's object-based, so the receiver decides which speakers reproduce each sound based on your layout.
The Sony BRAVIA Theater Bar 9 holds an advantage across more performance dimensions, but the Definitive Technology Mythos 3C-65 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 Sony BRAVIA Theater Bar 9 is the stronger choice — it leads in 3 of 4 scored dimensions. The Definitive Technology Mythos 3C-65 makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 3.0 | 5.0.2 |
| Total Power (RMS) | — | 585W |
| Driver Count | 11 | 13 |
| Freq Response Low | 100Hz | — |
| Freq Response High | 25000Hz | — |
| Passive | Yes | No |
| Dolby Atmos | No | Yes |
| Dolby Digital+ | No | Yes |
| Dolby TrueHD | No | Yes |
| DTS:X | No | Yes |
| DTS Virtual:X | No | No |
| DTS-HD Master | No | No |
| Built-in Sub | No | Yes |
| Wireless Sub Included | No | No |
| Wireless Sub Support | No | Yes |
| Wireless Surround Support | No | Yes |
| HDMI eARC | No | Yes |
| HDMI Inputs | 0 | 1 |
| HDMI Version | — | 2.1 |
| Optical Input | No | Yes |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | No | No |
| Bluetooth | No | Yes |
| BT Version | — | 5.2 |
| Wi-Fi | No | Yes |
| Wi-Fi Standard | — | — |
| AirPlay 2 | No | Yes |
| Chromecast | No | Yes |
| Spotify Connect | No | Yes |
| Voice Assistants | ||
| Room Calibration | — | 360 Spatial Sound Mapping |
| Dialog Enhancement | No | Yes |
| Night Mode | No | Yes |
| App Control | — | Sony Home Entertainment Connect |
| Wall Mountable | Yes | Yes |
Key Differences
- Channel Config: Definitive Technology Mythos 3C-65 at 3.0 vs Sony BRAVIA Theater Bar 9 at 5.0.2
- Driver Count: Definitive Technology Mythos 3C-65 at 11 vs Sony BRAVIA Theater Bar 9 at 13
- Total Power (RMS): Definitive Technology Mythos 3C-65 at — vs Sony BRAVIA Theater Bar 9 at 585W
- Freq Response Low: Definitive Technology Mythos 3C-65 at 100Hz vs Sony BRAVIA Theater Bar 9 at —. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: Definitive Technology Mythos 3C-65 at 25000Hz vs Sony BRAVIA Theater Bar 9 at —
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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