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Bose QuietComfort Ultra Earbuds (2nd Gen) vs Technics EAH-AZ100: which should you buy?

Specs, scores and condensed review verdicts for the Bose QuietComfort Ultra Earbuds (2nd Gen) vs Technics EAH-AZ100, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Technics EAH-AZ100 leads on 7 of 7 measures.

  • Bose QuietComfort Ultra Earbuds (2nd Gen)
  • Technics EAH-AZ100
HearWiki score
-
86
Sound
-
9.2
Noise cancelling
-
8.6
Battery
-
8.7
Calls
-
7.8
Value
-
8.1
Price (USD)
$300
$250

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Half a step newer

Both shipped in 2025. The Bose QuietComfort Ultra Earbuds (2nd Gen) edges ahead on platform, but only just: ANC type Adaptive against Hybrid.

  • QuietComfort Ultra Earbuds (2nd Gen)2025
  • EAH-AZ1002025
What differsQuietComfort Ultra Earbuds (2nd Gen)EAH-AZ100

Platform

ANC type
Adaptive
Hybrid

Level on: Bluetooth, Multipoint pairing, Wireless charging, USB-C, Wear detection, Transparency mode, Custom EQ, Companion app, Water resistance.

Specifications

QuietComfort Ultra Earbuds (2nd Gen)EAH-AZ100
Type
True Wireless
True Wireless
Price (USD)
$300
$250
HearWiki score
Not scored
86
Released
2025
2025
Availability
Sold new
Sold new
Driver
dynamic
10 mm dynamic
Driver type
dynamic
dynamic
Driver size
-
10 mm
Drivers per side
1
1
Frequency response
-
20 Hz - 40 kHz
Impedance
-
16 Ω
Bluetooth
5.3
5.3
Codecs
-
SBC, AAC, LC3, LDAC
Multipoint pairing
Yes
Yes
Wireless range
9 m
10 m
Battery life
6 h
12 h
Battery life (ANC on)
6 h
10 h
Battery incl. case
18 h
28 h
Full charge time
120 min
120 min
Quick charge
20 min → 2 h
15 min → 1.2 h
Wireless charging
Yes
Yes
Active noise cancelling
Yes
Yes
ANC type
adaptive
hybrid
Transparency mode
Yes
Yes
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
Yes
Yes
Controls
touch
touch
Voice assistant
-
Yes
Weight
7.3 g
11.8 g
Case weight
59.9 g
42 g
Water resistance
IPX4
IPX4
USB-C
Yes
Yes
Connector
USB-C
-
Model code
QCUE2-HEADPHONEIN
-
Microphones
4
2
Microphone type
-
MEMS
Call noise reduction
Yes
-

What reviewers said

Bose QuietComfort Ultra Earbuds (2nd Gen)

The Bose QuietComfort Ultra Earbuds (2nd Gen) deliver top-tier adaptive noise cancellation and a comfortable, secure fit, enhanced by CustomTune technology for personalized sound. They offer immersive spatial audio, clear call quality via SpeechClarity, and convenient wireless charging, making them a premium choice for all-day listening.

  • Pro:Excellent adaptive noise cancellation
  • Pro:Comfortable and secure fit
  • Pro:Immersive spatial audio
  • Con:Battery life is modest at 6 hours
  • Con:Pricey at around $299
  • Con:No explicit mention of multi-device pairing in source

Technics EAH-AZ100

The Technics EAH-AZ100 are premium true wireless earbuds that deliver rich, detailed sound through a 10mm dynamic driver, with support for high-resolution LDAC streaming. They combine effective hybrid active noise cancellation with a comfortable, IPX4-rated design, plus smart features like multipoint pairing and wireless charging for versatile daily use. With up to 12 hours of playtime on a single charge, they are built to last through long listening sessions.

  • Pro:Excellent sound quality with LDAC support
  • Pro:Strong hybrid ANC and transparency modes
  • Pro:Long battery life with wireless charging case
  • Con:Premium price point
  • Con:Touch controls may be overly sensitive
  • Con:No aptX codec support

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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New comparisonBose QuietComfort Ultra Earbuds (2nd Gen)Technics EAH-AZ100