Head-to-head · Best Wireless Earbuds

Bose QuietComfort Ultra Earbuds vs Technics EAH-AZ100

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Bose QuietComfort Ultra Earbuds comes out ahead by a narrow margin (4.5 vs 4.3). The gap is mostly about Best ANC — class-leading silence with weighty bass — read the strengths below before deciding.

Higher ratedRanked #2 in Best Wireless Earbuds

Bose QuietComfort Ultra Earbuds

4.5

6 sources$299as of Apr 17

Reviewers widely call the Bose QuietComfort Ultra Earbuds the best noise-cancelling earbuds available, with comfort, powerful bass, and top-tier ANC behind that verdict. Two things to know before buying: switching on immersive audio cuts battery life sharply, and the case does not support wireless charging. The price is high, and they remain the top choice if sound quality and silence are what you are after.

Strengths

— Delivers punchy, musical sound with solid, weighty bass
— Provides excellent active noise cancellation that outperforms rivals
— Offers a comfortable, secure fit with a design similar to the QuietComfort Earbuds II

Watch-outs

— Using Immersive Audio significantly slashes battery life
— Lacks wireless charging support for the charging case
— High MSRP of $299 makes them expensive compared to some competitors

$299 · Check Price on Amazon Full review →

Ranked #5 in Best Wireless Earbuds

Technics EAH-AZ100

4.3

5 sources$250as of Aug 1

Noise cancellation is where the Technics EAH-AZ100 shines, backed by LDAC support and a passthrough mode you can customize. Buyers should weigh the high price, the bulky design, and a sound profile some listeners find unusual. Even with those drawbacks, it stays a strong option for anyone who wants a distinct alternative to the mainstream picks.

Strengths

— Top-notch active noise cancellation that effectively blocks airplane engine noise
— Supports LDAC codec for high-resolution audio streaming
— Includes a highly effective passthrough mode for commuting

Watch-outs

— Sound signature described by reviewers as 'odd' or unconventional
— High price point of $299.99 may deter some buyers
— Earbuds and case are notably large and chunky compared to competitors

$250 · Buy at us.technics.com Full review →

Specs side-by-side

Spec	Bose QuietComfort Ultra Earbuds	Technics EAH-AZ100
Driver	6mm	4.5mm Dynamic
Weight	0.37 oz (10.5g) per earbud	17g per earbud
ANC	Active Noise Cancellation	Yes
Codec	SBC, AAC	SBC, AAC, LDAC
Water Resistance	IPX4	IPX4
Battery Life	6 hours (ANC on)	7.5 hours
Wireless Charging	Qi	Qi
Water	IPX4	IPX4
Quick Charge	—	15 min = 90 min
Dimensions	—	0.83 x 1.02 x 0.98 in

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