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2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

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.

⚖️ Weight: 8.96 oz vs 10.30 oz🔋 Battery: 24h vs 50h (ANC on)

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Key Differences at a Glance

AspectBose QuietComfortSoundcore Space
User Rating4.2★ (8,908 reviews)4.3★ (12,933 reviews)
Top StrengthMarket-leading ANC suppresses virtually all background noiseExceptional battery life (50H ANC / 65H Standard)
Main DrawbackHigh price tag compared to competitorsNo IP water-resistance rating
Market PositionFlagshipMid-range
Bose QuietComfort Ultra Headphones
Form Factor

Over-ear (closed-back, foldable)

Connectivity

Bluetooth 5.3 + 2.5mm wired

Bluetooth Version

5.3

Codecs

SBC, AAC, aptX Adaptive (Snapdragon Sound)

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Soundcore Space Q45

Soundcore Space Q45

4.3
(12,933)Amazon
Form Factor

Over-ear (closed-back)

Connectivity

Bluetooth 5.3 + 3.5mm AUX (wired)

Bluetooth Version

5.3

Codecs

SBC, AAC, LDAC

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Design4 specs
Form FactorKey
Bose QuietComfort Ultra Headphones
Over-ear (closed-back, foldable)
Soundcore Space Q45
Over-ear (closed-back)
Water Resistance
Bose QuietComfort Ultra Headphones
None (IPX4 rating unconfirmed/absent)
Soundcore Space Q45
None (No IP rating)
Weight
Bose QuietComfort Ultra Headphones
254 g (0.56 lb)
Winner
Soundcore Space Q45
10.3 oz (292 g)
Controls
Bose QuietComfort Ultra Headphones
Touch strip (volume) + Physical buttons (power/mode)
Soundcore Space Q45
Physical buttons + Soundcore app
Audio6 specs
ANCKey
Bose QuietComfort Ultra Headphones
Yes (World-class Quiet Mode & CustomTune)
Soundcore Space Q45
Adaptive Active Noise Cancelling (3-stage system)
DriversKey
Bose QuietComfort Ultra Headphones
Custom-designed proprietary drivers
Soundcore Space Q45
40mm double-layer diaphragm drivers (Metal-Ceramic)
Codecs
Bose QuietComfort Ultra Headphones
SBC, AAC, aptX Adaptive (Snapdragon Sound)
Soundcore Space Q45
SBC, AAC, LDAC
Transparency Mode
Bose QuietComfort Ultra Headphones
Yes (Aware Mode with ActiveSense)
Soundcore Space Q45
Yes (Talk-through, Custom, and Ambient modes via app)
Frequency Response
Bose QuietComfort Ultra Headphones
N/A (Not published by manufacturer)
Soundcore Space Q45
20 Hz – 40 kHz
Microphones
Bose QuietComfort Ultra Headphones
Advanced array (12 microphones total)
Soundcore Space Q45
2 mics with AI algorithm (calls) / Hybrid ANC array
Battery3 specs
Battery (Headphones)Key
Bose QuietComfort Ultra Headphones
Up to 24 hrs (18 hrs with Immersive Audio)
Soundcore Space Q45
50 hours (ANC On) / 65 hours (ANC Off)
Battery (Total)
Bose QuietComfort Ultra Headphones
N/A (Headphones only)
Soundcore Space Q45
N/A (No charging case)
Charging
Bose QuietComfort Ultra Headphones
USB-C; ~3 hrs full; 15 min = 2.5 hrs playback
Soundcore Space Q45
USB-C; 5 min charge = 4 hours playback; Full charge ~2 hours
Connectivity3 specs
Connectivity
Bose QuietComfort Ultra Headphones
Bluetooth 5.3 + 2.5mm wired
Soundcore Space Q45
Bluetooth 5.3 + 3.5mm AUX (wired)
Multipoint
Bose QuietComfort Ultra Headphones
Yes (2 devices)
Soundcore Space Q45
Yes (Connect 2 devices simultaneously)
Wired Mode
Bose QuietComfort Ultra Headphones
Yes (2.5mm to 3.5mm cable included)
Soundcore Space Q45
Yes (3.5mm AUX cable included)
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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

Bose QuietComfort Ultra Headphones

4.2(8,908)Amazon
Soundcore Space Q45

Soundcore Space Q45

4.3(12,933)Amazon
Bose QuietComfort Ultra Headphones

Bose QuietComfort Ultra Headphones

4.2(8,908)Amazon
Form Factor

Over-ear (closed-back, foldable)

Connectivity

Bluetooth 5.3 + 2.5mm wired

Bluetooth Version

5.3

Codecs

SBC, AAC, aptX Adaptive (Snapdragon Sound)

ANC

Yes (World-class Quiet Mode & CustomTune)

Transparency

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

Soundcore Space Q45

4.3(12,933)Amazon
Form Factor

Over-ear (closed-back)

Connectivity

Bluetooth 5.3 + 3.5mm AUX (wired)

Bluetooth Version

5.3

Codecs

SBC, AAC, LDAC

ANC

Adaptive Active Noise Cancelling (3-stage system)

Transparency

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)

B

Quality Seekers

Higher user rating (4.3★ vs 4.2★) indicates better overall satisfaction

→ Choose Soundcore Space

A

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Bose QuietComfort

B

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose Soundcore Space

A

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

PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.