Comprehensive comparison of true wireless earbuds | Noise reduction indicators | Frequency band analysis
π Basic specifications
| Specification items | π΅ Bose QC Ultra Earbuds Gen2 | π΅ Sony WF-1000XM6 |
|---|---|---|
| drive unit | 8.5mm custom driver | 8.4mm custom driver |
| frequency response | 20Hz-20kHz | 20Hz - 20kHz (Bluetooth) 4Hz - 40,000Hz (wired) |
| Sensitivity | Not officially announced | 103 dB/mW (wired on) 102 dB/mW (wired off) |
| impedance | 32 Ohms | 16 Ohms (1kHz) |
| Bluetooth version | Bluetooth 5.3 | Bluetooth 5.3 |
| Single weight | About 5.5g | About 5.9g |
| Waterproof level | IPX4 (splashproof) | IPX4 (splashproof) |
π Core of noise reduction system
| Noise reduction properties | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Noise reduction chip | Bose CustomTune Processor | HD Noise Canceling Processor QN2e (Integrated processor V2) |
| Number of microphones | 4 microphones (2 each) | 8 microphones (4 each) Multi Noise Sensor |
| Noise reduction technology | CustomTune adaptive noise reduction Active + passive hybrid ActiveSense dynamic sensing 11 levels of controllable noise reduction |
Automatic NC optimization system Active + passive hybrid 20 levels of ambient sound adjustment QN2e chip (increased processing speed) |
| Automatic scene recognition | Support (CustomTune) Wear detection |
Support (Auto NC Optimizer) Wear detection |
| Noise isolation capability | External noise isolation 85% Top level in the industry |
External noise isolation 90%+ Low frequency attenuation 35dB |
π Comparison of frequency band noise reduction performance
| Frequency band range | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Low frequency band (50-200Hz) - aircraft engine/train roar frequency band | ||
| Noise reduction effect | β
β
β
β
β
Excellence Strong low frequency attenuation Excellent aircraft engine sound cancellation Complete isolation of train sound Best for flight travel |
β
β
β
β
β
Excellence Low frequency attenuation more than 35dB Excellent aircraft engine sound cancellation Train sound cancellation is very good Both are comparable |
| Mid-frequency band (100Hz-3000Hz) - human speech/office noise band | ||
| Noise reduction effect | β
β
β
β
β Excellent Suppression of CafΓ© Conversation Eliminate office hustle and bustle Stable and reliable performance ActiveSense automatic enhancement |
β
β
β
β
β
Excellence The strongest elimination of human conversation QN2e chip real-time optimization Best call noise suppression The strongest scene recognition ability |
| High frequency band (3000Hz-20000Hz+) - AC/air conditioning hum/wind noise band | ||
| Noise reduction effect | β
β
β
β
β Excellent High frequencies pass through some sharp sounds Overall suppression ability is good Scream/Siren Partially Leaked Ear protection function |
β
β
β
β
β
Excellence Excellent high-frequency noise reduction performance AC hum cancellation is good Best wind noise canceller Maintain high frequency clarity |
| Sudden/instantaneous noise (such as knocking, alarm, screaming) handling capabilities | ||
| Noise reduction effect | β
β
β
β
β
Excellence The strongest suppression of sudden noise ActiveSense fast response Sirens/screams are effectively attenuated The shortest response time |
β
β
β
β
β Excellent Sudden noise handling is good QN2e chip real-time adjustment But the response is not as fast as Bose Overall performance remains strong |
| Comprehensive frequency band coverage capabilities | ||
| Overall noise reduction | Overall rating: 9.1/10 Low frequency/burst noise is strongest Balanced and comprehensive Especially suitable for flights/trains |
Overall rating: 9.3/10 The strongest mid-frequency/high frequency Excellent full-band balance Especially suitable for office/calling |
ποΈ Call and microphone performance
| Call characteristics | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| microphone design | 4 microphone beamforming AI background noise suppression SpeechClarity Technology |
8 microphone system AI intelligent beamforming Intelligent noise reduction technology |
| Quiet environment | β
β
β
β
β Excellent Clear and full sound quality Human voice restored to nature |
β
β
β
β
β
Excellence Clear and powerful sound quality Very clear voice |
| Noisy environment (bus/street) | β
β
β
β
β Excellent Good background noise isolation The other party can hear you clearly But not as perfect as Sony |
β
β
β
β
β
Excellence Best background noise isolation The other party heard it very clearly Itβs clear even on the bus |
| Wind noise treatment | Very good Support wind noise reduction |
excellence Optimal wind resistance design Clear calls outdoors |
| Overall call rating | Good for daily use Significant improvement |
Best call quality in the industry |
π΅Audio encoding and transmission
| Audio characteristics | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Support encoding | SBC, AAC aptX Adaptive (requires Android) |
SBC, AAC LDAC (lossless) LC3 |
| Audio parameters | 24-bit, 48kHz Maximum bit rate: variable |
32-bit, 96kHz (LDAC) Maximum bit rate: 990 kbps (LDAC) / 320 kbps (LC3) |
| Lossless support | Limited support aptX Adaptive is available (Requires Android 8+) |
Support LDAC Hi-Res Audio Wireless certification LC3 encoding is also supported |
| frequency range | 20Hz-20kHz | 20Hz - 20kHz (Bluetooth) 4Hz - 40,000Hz (wired) |
| Sound quality characteristics | Warm and full Bass prominence Strong sense of dynamics Strong music flavor |
Balanced details Clear and transparent Rich in details High fidelity sound quality |
π Battery life and charging
| Battery life characteristics | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Single battery life (noise reduction on) | 6 hours (immersive sound off) 4 hours (immersive sound on) |
8 hours (ANC ON) |
| Single battery life (noise reduction turned off) | about 8 hours | 12 hours (ANC OFF) |
| Total time of charging box | 24 hours (NC ON) 32 hours (NC OFF) |
24 hours (ANC ON) 36 hours (ANC OFF) |
| Charging time | 2 hours (fully charged) 15 minutes of fast charging provides 2.5 hours of use |
3 hours (fully charged) |
| Charging interface | USB-C Support wireless charging |
USB-C |
| special features | Fast charging support Wireless charging (new) |
fast charging LED battery indicator |
π§ Noise reduction mode and controls
| Mode options | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Noise reduction mode | β’ Quiet mode (Full noise reduction) β’ perception mode (Aware) β’ immersive mode (spatial audio) β’ Custom mode (can be created) |
β’ Adaptive noise reduction β’ Fixed noise reduction β’ Ambient sound mode (Level 20) β’ Quick follow (Quick Attention) |
| Noise reduction intensity adjustment | 11 levels of controllable noise reduction Support custom presets More flexible and detailed |
20 levels of free adjustment of ambient sound Automatic scene switching adaptive optimization system |
| Smart features | ActiveSense: automatically starts when the environment is sensitive Wear detection multipoint connection Cinema Mode (new) |
Auto NC Optimizer: Automatic optimization Wear detection multipoint connection Adaptive Sound Control |
| Transparency/awareness mode quality | β
β
β
β
β
Clear External sounds are clearly audible Aware mode still retains low frequencies easy to talk to |
β
β
β
β
β Good 20 levels of adjustable ambient sound Slightly manual but customizable Not as clear as Bose |
| User customization | most flexible Multiple presets can be created 11 levels of independent adjustment |
Adjustable but limited presets More inclined towards automation |
π Overall evaluation and recommendation
| Scoring items | Bose QC Ultra Earbuds Gen2 | Sony WF-1000XM6 |
|---|---|---|
| Low frequency noise reduction | β β β β β 5/5 | β β β β β 5/5 |
| Mid frequency noise reduction | β β β β β 4/5 | β β β β β 5/5 |
| High frequency noise reduction | β β β β β 4/5 | β β β β β 5/5 |
| call quality | β β β β β 4/5 | β β β β β 5/5 |
| Sound quality performance | β
β
β
β
β 4/5 Warm and full |
β
β
β
β
β
5/5 Balanced and clear |
| Battery life | β β β β β 4/5 | β β β β β 5/5 |
| Custom flexibility | β
β
β
β
β
5/5 Level 11+Preset |
β
β
β
β
β 4/5 Level 20+automatic |
| Burst noise handling | β β β β β 5/5 | β β β β β 4/5 |
| comfort | β
β
β
β
β 4/5 About 5.5g |
β
β
β
β
β 4/5 About 5.9g |
| overall rating | 9.0/10 | 9.3/10 |
β Purchase advice
| Usage scenarios | Recommended products | Reasons for recommendation |
|---|---|---|
| Frequent flight/train travel | Bose QC Ultra Earbuds Gen2 | Excellent low-frequency noise reduction, the strongest cancellation of aircraft engine sound, and the fastest processing of sudden noise |
| Office/daily calls | Sony WF-1000XM6 | The strongest noise reduction during calls, excellent mid-frequency performance, and accurate 8-microphone system |
| Music Appreciation/Sound Quality First | Sony WF-1000XM6 | Balanced and clear sound quality, LDAC lossless support, rich details |
| Quick noise reduction adjustment | Bose QC Ultra Earbuds Gen2 | 11 levels of controllability + customized presets, the highest flexibility and user controllability |
| Wear it for a long time | Sony WF-1000XM6 | Single battery life is 8 hours, the total battery life is longer, and the charging box has a large capacity |
| Outdoor/wind noise environment | Sony WF-1000XM6 | High-frequency noise reduction is the strongest, wind resistance design is excellent, and AC hum is eliminated very well |
| Noise reduction strength preference | Bose QC Ultra Earbuds Gen2 | Quiet Mode is the most complete isolation and the first choice for pursuing "real quietness" |
| Comprehensive balanced selection | Both are top-notch products, the choice comes down to personal priorities | |
π Summary of key comparisons
Advantages of Bose QC Ultra Earbuds Gen2:
- Low frequency noise reduction is the strongest - The best noise cancellation effect of airplane/train engines (50-200Hz), the deepest attenuation
- The fastest way to deal with sudden noise - ActiveSense dynamic sensing has the shortest reaction time and is most effective for alarms/screams
- Flexible noise reduction control - 11 levels of controllability + custom presets, users can adjust each scene independently
- Warm and full sound quality - Prominent bass and large dynamics, suitable for music and entertainment content
- Transparency mode clear - Aware Mode retains the best details and facilitates conversation
- fast charging - 15 minutes of fast charging can provide 2.5 hours of use, with the strongest emergency response capabilities
- wireless charging - Gen2 adds wireless charging, which is more convenient
Advantages of Sony WF-1000XM6:
- Best call quality - 8-microphone AI system, invincible in noisy environments, with the strongest noise reduction in the mid-frequency band
- High frequency noise reduction is the strongest - No. 1 in the industry in terms of eliminating AC hum, wind noise and other high-frequency noise
- Balanced and clear sound quality - Broad frequency response, strong analytical power, LDAC lossless audio transmission
- Best battery life - 8 hours single use (NC ON), 12 hours (NC OFF), total battery life 36 hours
- The strongest comprehensive noise reduction - Full frequency band equalization, noise reduction and isolation capability 90%+
- QN2e chip - Faster processing speed and strong real-time adaptive optimization capabilities
- 8 microphone system - The most accurate scene recognition and the strongest adaptive ability
Quick overview of frequency band noise reduction performance:
| Low frequency (50-200Hz) | Bose βββ Tied for the strongest | Sony βββ Tied for the strongest |
| IF (100Hz-3kHz) | Bose βββ Very good | Sony ββββ The strongest |
| High frequency (3kHz-20kHz) | Bose βββ Very good | Sony ββββ The strongest |
| sudden noise | Bose ββββ Strongest | Sony βββ Very good |
| Battery life | Bose βββ Very good | Sony ββββ The strongest |
| Customization flexibility | Bose ββββ Strongest | Sony βββ Very good |
π‘ Final advice
Choose Bose QC Ultra Earbuds Gen2 if you:
- Frequent flights or trains require the strongest low-frequency noise reduction
- Like the warm and full sound characteristics of music
- Want to have fine noise reduction intensity adjustment (level 11)
- Requires fast charging function (15 minutes to charge 2.5 hours)
- Pursuing "truly quiet" isolation effect
Choose Sony WF-1000XM6 if you:
- Frequently need to make phone calls or video conferences
- Like the balanced and clear high-fidelity sound quality of music
- Need longer battery life (8 hours single use)
- Use in medium and high frequency noise environments such as offices and streets
- Pursue "full-band balance" for a complete noise reduction experience