Bose QuietComfort Ultra Earbuds vs Technics EAH-AZ100: which should you buy?

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

True Wireless

Bose QuietComfort Ultra Earbuds

Not yet scored

$300

Full review data

True Wireless

Technics EAH-AZ100

86Outstanding

$250

Full review data

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
Technics EAH-AZ100

HearWiki score

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?

Mixed generations

Technics EAH-AZ100 (2025) against Bose QuietComfort Ultra Earbuds (2023). Neither is straightforwardly newer: the Bose QuietComfort Ultra Earbuds brings ANC type Adaptive against Hybrid, while the Technics EAH-AZ100 answers with Top codec LC3 against aptX Adaptive and LE Audio (LC3).

QuietComfort Ultra Earbuds2023
EAH-AZ10020252 yr newer

What differsQuietComfort Ultra EarbudsEAH-AZ100

Top codec: aptX Adaptive; LC3
LE Audio (LC3): No; Yes
ANC type: Adaptive; Hybrid

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

Specifications

QuietComfort Ultra EarbudsEAH-AZ100

Type: True Wireless; True Wireless
Price (USD): $300; $250
HearWiki score: Not scored; 86
Released: 2023; 2025
Availability: Discontinued; Sold new
Driver: 2× driver; 10 mm dynamic
Driver type: -; dynamic
Driver size: -; 10 mm
Drivers per side: 2; 1
Frequency response: -; 20 Hz - 40 kHz
Impedance: -; 16 Ω
Bluetooth: 5.3; 5.3
Codecs: SBC, AAC, aptX Adaptive; SBC, AAC, LC3, LDAC
Multipoint pairing: Yes; Yes
Wireless range: 9 m; 10 m
Battery life: 6 h; 12 h
Battery life (ANC on): 4 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
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: 6.2 g; 11.8 g
Case weight: 59.9 g; 42 g
Water resistance: IPX4; IPX4
USB-C: Yes; Yes
Microphones: 4; 2
Microphone type: -; MEMS

Specification comparison of Bose QuietComfort Ultra Earbuds vs Technics EAH-AZ100
Spec	Bose QuietComfort Ultra Earbuds	Technics EAH-AZ100
Type	True Wireless	True Wireless
Price (USD)	$300	$250
HearWiki score	Not scored	86 / 100 Outstanding
Released	2023	2025
Audio
Driver	2× driver	10 mm dynamic
Driver type	-	dynamic
Driver size	-	10 mm
Drivers per side	2	1
Frequency response	-	20 Hz - 40 kHz
Impedance	-	16 Ω
Wireless
Bluetooth	5.3	5.3
Codecs	SBC, AAC, aptX Adaptive	SBC, AAC, LC3, LDAC
Multipoint pairing	Yes	Yes
Wireless range	9 m	10 m
Battery
Battery life	6 h	12 h
Battery life (ANC on)	4 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
Features
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
Design
Weight	6.2 g	11.8 g
Case weight	59.9 g	42 g
Water resistance	IPX4	IPX4
USB-C	Yes	Yes
Calls
Microphones	4	2
Microphone type	-	MEMS

What reviewers said

Bose QuietComfort Ultra Earbuds

The Bose QuietComfort Ultra Earbuds are premium wireless earbuds that blend strong adaptive noise cancellation with a balanced, immersive sound profile. They offer a comfortable fit, solid battery life with the charging case, and support for high-quality audio codecs, making them a versatile choice for travel and daily use.

Pro:Adaptive noise cancellation effectively silences background noise
Pro:Detailed, well-rounded sound with aptX Adaptive support
Pro:Comfortable, stable fit for extended listening sessions

Con:Battery life is modest at 4 hours with ANC enabled
Con:Charging case adds only 18 total hours, below some rivals
Con:Touch controls may take time to master

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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