AKG K553 MKII vs Sony WH-1000XM6: which should you buy?

On aggregated review scores the Sony WH-1000XM6 comes out ahead with a HearWiki score of 89. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Sony WH-1000XM6 - Outstanding overall at around $398.

Over-Ear

Score breakdown

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

Sony WH-1000XM6 leads on 6 of 7 measures.

AKG K553 MKII
Sony WH-1000XM6

HearWiki score

Sound

7.6

9.0

Noise cancelling

9.6

Battery

8.1

Calls

9.6

Value

6.8

8.2

Price (USD)

$270

$400

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

Sony WH-1000XM6 (2025) against AKG K553 MKII (2018). The Sony WH-1000XM6 edges ahead on platform, but only just: ANC type Adaptive against None. It also adds USB-C, Wear detection, Transparency mode and Custom EQ.

K553 MKII2018
WH-1000XM620257 yr newer

What differsK553 MKIIWH-1000XM6

ANC type: None; Adaptive
USB-C: No; Yes
Wear detection: No; Yes
Transparency mode: No; Yes
Custom EQ: No; Yes
Companion app: No; Yes

Specifications

K553 MKIIWH-1000XM6

Type: Over-Ear; Over-Ear
Price (USD): $270; $400
HearWiki score: 68; 89
Released: 2018; 2025
Availability: Still sold new; Sold new
Driver: 50 mm driver; 30 mm dynamic
Driver type: -; dynamic
Driver size: 50 mm; 30 mm
Drivers per side: 1; 1
Frequency response: 12 Hz - 28 kHz; 4 Hz - 40 kHz
Impedance: 32 Ω; 48 Ω
Sensitivity: 114 dB/mW; 103 dB/mW
Sensitivity (dB/Vrms): 114; -
Bluetooth: -; 5.3
Codecs: -; SBC, AAC, LC3, LDAC
Multipoint pairing: -; Yes
Wireless range: -; 10 m
Battery life: -; 40 h
Battery life (ANC on): -; 30 h
Full charge time: -; 210 min
Quick charge: -; 3 min → 3 h
Wireless charging: -; No
Active noise cancelling: No; Yes
ANC type: none; adaptive
Transparency mode: No; Yes
Companion app: No; Yes
Custom EQ: No; Yes
Wear detection: No; Yes
Controls: none; buttons
Voice assistant: No; Yes
Weight: 305 g; 254 g
Water resistance: none; none
Foldable: Yes; -
Detachable cable: Yes; Yes
USB-C: No; Yes
Connector: -; 3.5 mm
Model code: 3280H00130; -
Microphones: -; 12
Microphone type: -; MEMS
Call noise reduction: No; -

Specification comparison of AKG K553 MKII vs Sony WH-1000XM6
Spec	AKG K553 MKII	Sony WH-1000XM6
Type	Over-Ear	Over-Ear
Price (USD)	$270	$400
HearWiki score	68 / 100 Good	89 / 100 Outstanding
Released	2018	2025
Audio
Driver	50 mm driver	30 mm dynamic
Driver type	-	dynamic
Driver size	50 mm	30 mm
Drivers per side	1	1
Frequency response	12 Hz - 28 kHz	4 Hz - 40 kHz
Impedance	32 Ω	48 Ω
Sensitivity	114 dB/mW	103 dB/mW
Sensitivity (dB/Vrms)	114	-
Wireless
Bluetooth	-	5.3
Codecs	-	SBC, AAC, LC3, LDAC
Multipoint pairing	-	Yes
Wireless range	-	10 m
Battery
Battery life	-	40 h
Battery life (ANC on)	-	30 h
Full charge time	-	210 min
Quick charge	-	3 min → 3 h
Wireless charging	-	No
Features
Active noise cancelling	No	Yes
ANC type	none	adaptive
Transparency mode	No	Yes
Companion app	No	Yes
Custom EQ	No	Yes
Wear detection	No	Yes
Controls	none	buttons
Voice assistant	No	Yes
Design
Weight	305 g	254 g
Water resistance	none	none
Foldable	Yes	-
Detachable cable	Yes	Yes
USB-C	No	Yes
Connector	-	3.5 mm
Model code	3280H00130	-
Calls
Microphones	-	12
Microphone type	-	MEMS
Call noise reduction	No	-

What reviewers said

AKG K553 MKII

The AKG K553 MKII is a closed-back, wired over-ear headphone built for studio-style listening, featuring a 50mm driver and a notably neutral, detailed sound signature. Its comfortable fit and foldable design make it a practical choice for critical listening at home or on the go, though it lacks modern conveniences like wireless connectivity or active noise cancellation. With a 32-ohm impedance and high sensitivity, it performs well with a wide range of sources, offering clean bass extension and controlled treble.

Pro:Neutral, balanced sound with strong midrange clarity
Pro:Comfortable over-ear fit for long sessions
Pro:Foldable design enhances portability

Con:No active noise cancellation or wireless options
Con:Soundstage and imaging are not class-leading
Con:Lacks inline controls or app support

Sony WH-1000XM6

The Sony WH-1000XM6 is a premium over-ear wireless headphone that combines adaptive active noise cancellation with a long-lasting battery and support for high-quality audio codecs. It features multipoint Bluetooth connectivity and a transparent mode, making it a versatile choice for both focused listening and everyday commutes. With a lightweight build and tactile controls, it balances comfort and functionality for extended use.

Pro:Adaptive active noise cancellation for personalized silencing
Pro:Multipoint Bluetooth 5.3 for seamless device switching
Pro:Transparency mode for ambient awareness when needed

Con:No water resistance rating for wet conditions
Con:No wireless charging option
Con:Relies on physical buttons rather than touch controls

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

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