Bose Smart Ultra Soundbar Black vs Definitive Technology Mythos 3C-65
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Choosing between the Bose Smart Ultra Soundbar Black and Definitive Technology Mythos 3C-65? 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 Bose Smart Ultra Soundbar Black scores higher in value, form factor, room fit. They score similarly in ease of use.
These soundbars differ in channel configurations of 5.1.2 vs 3.0, and only the Bose Smart Ultra Soundbar Black 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 Bose Smart Ultra Soundbar Black 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 Bose Smart Ultra Soundbar Black 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)
Bose Smart Ultra Soundbar Black
Definitive Technology Mythos 3C-65
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | 5.1.2 | 3.0 |
| Total Power (RMS) | — | — |
| Driver Count | 9 | 11 |
| Freq Response Low | — | 100Hz |
| Freq Response High | — | 25000Hz |
| Passive | No | Yes |
| Dolby Atmos | Yes | No |
| Dolby Digital+ | Yes | No |
| Dolby TrueHD | Yes | No |
| DTS:X | No | No |
| DTS Virtual:X | No | No |
| DTS-HD Master | No | No |
| Built-in Sub | No | No |
| Wireless Sub Included | No | No |
| Wireless Sub Support | Yes | No |
| Wireless Surround Support | Yes | No |
| HDMI eARC | Yes | No |
| HDMI Inputs | 0 | 0 |
| HDMI Version | 2.1 | — |
| Optical Input | Yes | No |
| Analog Stereo In | No | No |
| Sub Pre-Out | No | No |
| Ethernet | Yes | No |
| Bluetooth | Yes | No |
| BT Version | 4.2 | — |
| Wi-Fi | Yes | No |
| Wi-Fi Standard | Wi-Fi 5 | — |
| AirPlay 2 | Yes | No |
| Chromecast | Yes | No |
| Spotify Connect | Yes | No |
| Voice Assistants | Alexa, Google Assistant | |
| Room Calibration | ADAPTiQ | — |
| Dialog Enhancement | Yes | No |
| Night Mode | Yes | No |
| App Control | Bose Music | — |
| Wall Mountable | Yes | Yes |
Key Differences
- Channel Config: Bose Smart Ultra Soundbar Black at 5.1.2 vs Definitive Technology Mythos 3C-65 at 3.0
- Driver Count: Bose Smart Ultra Soundbar Black at 9 vs Definitive Technology Mythos 3C-65 at 11
- Freq Response Low: Bose Smart Ultra Soundbar Black at — vs Definitive Technology Mythos 3C-65 at 100Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Freq Response High: Bose Smart Ultra Soundbar Black at — vs Definitive Technology Mythos 3C-65 at 25000Hz
- Passive: Bose Smart Ultra Soundbar Black at No vs Definitive Technology Mythos 3C-65 at Yes
See Where These Rank
Check our editorial rankings to see how Bose Smart Ultra Soundbar Black and Definitive Technology Mythos 3C-65 compare to the rest of the field.
Best Soundbar RankingsSpecifications 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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