LG Tone Free T90S 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

LG Tone Free T90S

78Great

$240

Full review data

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.

LG Tone Free T90S
Technics EAH-AZ100

HearWiki score

Sound

8.4

9.2

Noise cancelling

7.0

8.6

Battery

6.5

8.7

Calls

7.5

7.8

Value

6.2

8.1

Price (USD)

$240

$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 LG Tone Free T90S (2024). Neither is straightforwardly newer: the LG Tone Free T90S brings Bluetooth 5.4 against 5.3 and ANC type Adaptive against Hybrid, while the Technics EAH-AZ100 answers with Top codec LC3 against aptX Adaptive and LE Audio (LC3).

Tone Free T90S2024
EAH-AZ10020251 yr newer

What differsTone Free T90SEAH-AZ100

Bluetooth: 5.4; 5.3
Top codec: aptX Adaptive; LC3
LE Audio (LC3): No; Yes
ANC type: Adaptive; Hybrid

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

Specifications

Tone Free T90SEAH-AZ100

Type: True Wireless; True Wireless
Price (USD): $240; $250
HearWiki score: 78; 86
Released: 2024; 2025
Availability: Still sold new; Sold new
Driver: 9.8 mm dynamic; 10 mm dynamic
Driver type: dynamic; dynamic
Driver size: 9.8 mm; 10 mm
Drivers per side: 1; 1
Frequency response: 20 Hz - 20 kHz; 20 Hz - 40 kHz
Impedance: 17 Ω; 16 Ω
Bluetooth: 5.4; 5.3
Codecs: SBC, AAC, aptX Adaptive; SBC, AAC, LC3, LDAC
Multipoint pairing: Yes; Yes
Wireless range: -; 10 m
Battery life: 9 h; 12 h
Battery life (ANC on): 5 h; 10 h
Battery incl. case: 36 h; 28 h
Full charge time: 60 min; 120 min
Quick charge: -; 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: Google Assistant, Siri; Yes
Weight: 11.4 g; 11.8 g
Case weight: 43 g; 42 g
Water resistance: IPX4; IPX4
USB-C: Yes; Yes
Model code: TONE-T90S; -
Microphones: 4; 2
Microphone type: -; MEMS

Specification comparison of LG Tone Free T90S vs Technics EAH-AZ100
Spec	LG Tone Free T90S	Technics EAH-AZ100
Type	True Wireless	True Wireless
Price (USD)	$240	$250
HearWiki score	78 / 100 Great	86 / 100 Outstanding
Released	2024	2025
Audio
Driver	9.8 mm dynamic	10 mm dynamic
Driver type	dynamic	dynamic
Driver size	9.8 mm	10 mm
Drivers per side	1	1
Frequency response	20 Hz - 20 kHz	20 Hz - 40 kHz
Impedance	17 Ω	16 Ω
Wireless
Bluetooth	5.4	5.3
Codecs	SBC, AAC, aptX Adaptive	SBC, AAC, LC3, LDAC
Multipoint pairing	Yes	Yes
Wireless range	-	10 m
Battery
Battery life	9 h	12 h
Battery life (ANC on)	5 h	10 h
Battery incl. case	36 h	28 h
Full charge time	60 min	120 min
Quick charge	-	15 min → 1.2 h
Wireless charging	Yes	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	Google Assistant, Siri	Yes
Design
Weight	11.4 g	11.8 g
Case weight	43 g	42 g
Water resistance	IPX4	IPX4
USB-C	Yes	Yes
Model code	TONE-T90S	-
Calls
Microphones	4	2
Microphone type	-	MEMS

What reviewers said

LG Tone Free T90S

The LG Tone Free T90S are premium wireless earbuds with adaptive active noise cancellation and a comfortable, secure fit. They offer a long battery life of up to 9 hours on a single charge, with the case extending total playback to 36 hours. Their feature set includes Bluetooth 5.4, multi-device pairing, and a customizable EQ via the companion app.

Pro:Adaptive ANC effectively reduces ambient noise
Pro:Comfortable and secure fit for extended wear
Pro:Long battery life with 36 hours total including case

Con:Battery life drops to 5 hours with ANC enabled
Con:Touch controls may be overly sensitive for some users
Con:No LDAC support despite similar models offering it

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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