Sony WF-LS900N vs Technics EAH-AZ100: which should you buy?

On aggregated review scores the Technics EAH-AZ100 comes out ahead with a HearWiki score of 86. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Technics EAH-AZ100 - Outstanding overall at around $250.

True Wireless

Score breakdown

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

Technics EAH-AZ100 leads on 6 of 7 measures.

Sony WF-LS900N
Technics EAH-AZ100

HearWiki score

Sound

7.4

9.2

Noise cancelling

7.3

8.6

Battery

6.7

8.7

Calls

6.2

7.8

Value

5.8

8.1

Price (USD)

$160

$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 Sony WF-LS900N (2022). Neither is straightforwardly newer: the Sony WF-LS900N brings ANC type Adaptive against Hybrid, while the Technics EAH-AZ100 answers with Bluetooth 5.3 against 5.2. The Technics EAH-AZ100 answers on convenience features: it adds Wireless charging and Wear detection.

WF-LS900N2022
EAH-AZ10020253 yr newer

What differsWF-LS900NEAH-AZ100

Bluetooth: 5.2; 5.3
ANC type: Adaptive; Hybrid
Wireless charging: No; Yes
Wear detection: No; Yes

Level on: Top codec, LE Audio (LC3), Multipoint pairing, USB-C, Transparency mode, Water resistance.

Specifications

WF-LS900NEAH-AZ100

Type: True Wireless; True Wireless
Price (USD): $160; $250
HearWiki score: 64; 86
Released: 2022; 2025
Availability: Discontinued; Sold new
Driver: 5 mm dynamic; 10 mm dynamic
Driver type: dynamic; dynamic
Driver size: 5 mm; 10 mm
Drivers per side: 1; 1
Frequency response: 20 Hz - 20 kHz; 20 Hz - 40 kHz
Impedance: -; 16 Ω
Bluetooth: 5.2; 5.3
Codecs: SBC, AAC, LC3, LDAC; SBC, AAC, LC3, LDAC
Multipoint pairing: Yes; Yes
Wireless range: 10 m; 10 m
Battery life: 9 h; 12 h
Battery life (ANC on): 6 h; 10 h
Battery incl. case: -; 28 h
Full charge time: 120 min; 120 min
Quick charge: 5 min → 1 h; 15 min → 1.2 h
Wireless charging: No; Yes
Active noise cancelling: Yes; Yes
ANC type: adaptive; hybrid
Transparency mode: Yes; Yes
Companion app: -; Yes
Custom EQ: -; Yes
Wear detection: No; Yes
Controls: -; touch
Voice assistant: Alexa, Google Assistant, Siri; Yes
Weight: 4.8 g; 11.8 g
Case weight: 34.9 g; 42 g
Water resistance: IPX4; IPX4
USB-C: Yes; Yes
Microphones: -; 2
Microphone type: -; MEMS

Specification comparison of Sony WF-LS900N vs Technics EAH-AZ100
Spec	Sony WF-LS900N	Technics EAH-AZ100
Type	True Wireless	True Wireless
Price (USD)	$160	$250
HearWiki score	64 / 100 Good	86 / 100 Outstanding
Released	2022	2025
Audio
Driver	5 mm dynamic	10 mm dynamic
Driver type	dynamic	dynamic
Driver size	5 mm	10 mm
Drivers per side	1	1
Frequency response	20 Hz - 20 kHz	20 Hz - 40 kHz
Impedance	-	16 Ω
Wireless
Bluetooth	5.2	5.3
Codecs	SBC, AAC, LC3, LDAC	SBC, AAC, LC3, LDAC
Multipoint pairing	Yes	Yes
Wireless range	10 m	10 m
Battery
Battery life	9 h	12 h
Battery life (ANC on)	6 h	10 h
Battery incl. case	-	28 h
Full charge time	120 min	120 min
Quick charge	5 min → 1 h	15 min → 1.2 h
Wireless charging	No	Yes
Features
Active noise cancelling	Yes	Yes
ANC type	adaptive	hybrid
Transparency mode	Yes	Yes
Companion app	-	Yes
Custom EQ	-	Yes
Wear detection	No	Yes
Controls	-	touch
Voice assistant	Alexa, Google Assistant, Siri	Yes
Design
Weight	4.8 g	11.8 g
Case weight	34.9 g	42 g
Water resistance	IPX4	IPX4
USB-C	Yes	Yes
Calls
Microphones	-	2
Microphone type	-	MEMS

What reviewers said

Sony WF-LS900N

The Sony WF-LS900N earbuds are a compact, featherweight option that balances everyday usability with premium touches like adaptive noise cancellation and LDAC support. They offer a comfortable fit, dependable battery life, and a well-rounded feature set that makes them a strong mid-range choice for most listeners.

Pro:Very lightweight and comfortable for long sessions
Pro:Adaptive ANC and transparency mode work effectively
Pro:IPX4 sweat and water resistance for workouts

Con:No wireless charging support
Con:Small 5 mm drivers limit bass depth and dynamics
Con:Battery life with ANC on is modest at around 6 hours

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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