Bose QuietComfort Ultra Headphones vs Soundcore Space Q45
Get the Bose QuietComfort Ultra Headphones unless you need serious battery life. The numbers: 24 hours vs 50 hours (ANC on). In real-world use, the Bose's ANC suppresses virtually all background noise, making it ideal for flights. However, the Soundcore Space Q45's 50-hour battery life means you can wear them for days without charging. If you're traveling or need headphones for long hours, the Soundcore could be the smarter buy. Key specs: Battery: 24h vs 50h (ANC on) and Weight: 9.0oz vs 10.3oz.
Why compare these? The Bose QuietComfort Ultra Headphones (premium flagship) and Soundcore Space Q45 (mid-range) represent different approaches to headphones. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Bose QuietComfort | Soundcore Space |
|---|---|---|
| User Rating | 4.2★ (8,908 reviews) | ✓4.3★ (12,933 reviews) |
| Top Strength | Market-leading ANC suppresses virtually all background noise | Exceptional battery life (50H ANC / 65H Standard) |
| Main Drawback | High price tag compared to competitors | No IP water-resistance rating |
| Market Position | ✓Flagship | Mid-range |

Bose QuietComfort Ultra Headphones
Over-ear (closed-back, foldable)
Bluetooth 5.3 + 2.5mm wired
5.3
SBC, AAC, aptX Adaptive (Snapdragon Sound)

Soundcore Space Q45
Over-ear (closed-back)
Bluetooth 5.3 + 3.5mm AUX (wired)
5.3
SBC, AAC, LDAC
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Bose QuietComfort Ultra Headphones vs Soundcore Space Q45

Bose QuietComfort Ultra Headphones

Soundcore Space Q45
| Criterion | Bose QuietComfort Ultra Headphones | Soundcore Space Q45 |
|---|---|---|
| Rating | ★4.2(8,908)Amazon | ★4.3(12,933)Amazon |
Form Factor | Over-ear (closed-back, foldable) | Over-ear (closed-back) |
Connectivity | Bluetooth 5.3 + 2.5mm wired | Bluetooth 5.3 + 3.5mm AUX (wired) |
Bluetooth Version | 5.3 | 5.3 |
Codecs | SBC, AAC, aptX Adaptive (Snapdragon Sound) | SBC, AAC, LDAC |
ANC | Yes (World-class Quiet Mode & CustomTune) | Adaptive Active Noise Cancelling (3-stage system) |
Transparency | Yes (Aware Mode with ActiveSense) | Yes (Talk-through, Custom, and Ambient modes via app) |
Drivers | Custom-designed proprietary drivers | 40mm double-layer diaphragm drivers (Metal-Ceramic) |
Frequency Response | N/A (Not published by manufacturer) | 20 Hz – 40 kHz |
Microphones | Advanced array (12 microphones total) | 2 mics with AI algorithm (calls) / Hybrid ANC array |
Battery Life | Up to 24 hrs (18 hrs with Immersive Audio) | 50 hours (ANC On) / 65 hours (ANC Off) |
Battery Life | N/A (Headphones only) | N/A (No charging case) |
Charging | USB-C; ~3 hrs full; 15 min = 2.5 hrs playback | USB-C; 5 min charge = 4 hours playback; Full charge ~2 hours |
Multipoint | Yes (2 devices) | Yes (Connect 2 devices simultaneously) |
Low Latency Mode | Via aptX Adaptive (requires compatible source) | No (Not supported) |
Wired Mode | Yes (2.5mm to 3.5mm cable included) | Yes (3.5mm AUX cable included) |
Water Resistance | None (IPX4 rating unconfirmed/absent) | None (No IP rating) |
Weight | 254 g (0.56 lb) | 10.3 oz (292 g) |
Controls | Touch strip (volume) + Physical buttons (power/mode) | Physical buttons + Soundcore app |
App Eq | Bose Music App (3-band EQ + Immersive settings) | Soundcore App (HearID Sound 2.0 + Custom EQ) |
Extras | Bose Immersive Audio, Snapdragon Sound, Google Fast Pair, SimpleSync, On-head detection | Travel case included; Hi-Res Audio Wireless certified; NFC pairing |
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Bose QuietComfort Ultra Headphones
Over-ear (closed-back, foldable)
Bluetooth 5.3 + 2.5mm wired
5.3
SBC, AAC, aptX Adaptive (Snapdragon Sound)
Yes (World-class Quiet Mode & CustomTune)
Yes (Aware Mode with ActiveSense)
Pros
- Market-leading ANC suppresses virtually all background noise
- Bose Immersive Audio creates a wider soundstage
Cons
- High price tag compared to competitors
- 2.5mm audio jack is less convenient than standard 3.5mm

Soundcore Space Q45
Over-ear (closed-back)
Bluetooth 5.3 + 3.5mm AUX (wired)
5.3
SBC, AAC, LDAC
Adaptive Active Noise Cancelling (3-stage system)
Yes (Talk-through, Custom, and Ambient modes via app)
Pros
- Exceptional battery life (50H ANC / 65H Standard)
- Hi-Res Audio Wireless certification with LDAC support
Cons
- No IP water-resistance rating
- Lacks on-ear detection (auto-pause/play)
Which one is better?
The Bose QuietComfort Ultra is the better buy for most people who prioritize audio quality - its world-class ANC and immersive spatial audio deliver a premium experience. That said, grab the Soundcore Space Q45 if you need exceptional battery life (50h vs 24h) and want to save money - it's an excellent budget alternative.
Who should buy each?
Choose the Bose QuietComfort Ultra Headphones if: you want top-tier noise cancellation, you value immersive audio, or you travel frequently and need reliable performance. (8.96 oz weight)
Choose the Soundcore Space Q45 if: you need long battery life for extended use, you want a budget-friendly option, or you enjoy high-resolution audio without frequent charging. (10.30 oz weight)
Quality Seekers
Higher user rating (4.3★ vs 4.2★) indicates better overall satisfaction
→ Choose Soundcore Space
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Bose QuietComfort
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Soundcore Space
Market-leading ANC suppresses Priority
Market-leading ANC suppresses virtually all background noise
→ Choose Bose QuietComfort
Conclusion
Bose QuietComfort Ultra Headphones and Soundcore Space Q45 are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Soundcore Space Q45 leads with a 4.3★ rating versus 4.2★. That said, Bose QuietComfort Ultra Headphones could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Bose QuietComfort Ultra Headphones or Soundcore Space Q45?
Bose QuietComfort Ultra Headphones is the better choice if you prioritize market-leading anc suppresses virtually all background noise. Soundcore Space Q45 wins if you value exceptional battery life (50h anc / 65h standard). Both are rated highly (4.2★ vs 4.3★), so consider your specific needs and budget.
+What are the main differences between Bose QuietComfort Ultra Headphones and Soundcore Space Q45?
Key differences: Bose QuietComfort Ultra Headphones offers market-leading anc suppresses virtually all background noise, while Soundcore Space Q45 stands out with exceptional battery life (50h anc / 65h standard). Consider that Bose QuietComfort Ultra Headphones high price tag compared to competitors. Meanwhile, Soundcore Space Q45 no ip water-resistance rating. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
Affiliate disclosure
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