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Audeze Maxwell 2 ANC vs STAX SR-507: which should you buy?

On aggregated review scores the Audeze Maxwell 2 ANC comes out ahead with a HearWiki score of 88. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Audeze Maxwell 2 ANC - Outstanding overall at around $429.

Score breakdown

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

Audeze Maxwell 2 ANC leads on 6 of 7 measures.

  • Audeze Maxwell 2 ANC
  • STAX SR-507
HearWiki score
88
67
Sound
9.3
8.3
Noise cancelling
8.5
-
Battery
8.0
-
Calls
9.0
-
Value
6.5
8.1
Price (USD)
$430
$440

Specifications

Maxwell 2 ANCSR-507
Type
Over-Ear
Over-Ear
Price (USD)
$430
$440
HearWiki score
88
67
Released
2026
2010
Availability
Sold new
Discontinued
Driver
90 mm planar magnetic
2× electrostatic
Driver type
planar
electrostatic
Driver size
90 mm
-
Drivers per side
1
2
Frequency response
10 Hz - 50 kHz
7 Hz - 41 kHz
Sound signature
-
neutral
Impedance
-
145000 Ω
Sensitivity
115 dB/mW
118 dB/mW
Bluetooth
5.3
-
Codecs
SBC, AAC, LC3, LC3plus, LDAC
-
Multipoint pairing
Yes
-
Battery life
40 h
-
Battery life (ANC on)
35 h
-
Full charge time
120 min
-
Active noise cancelling
Yes
-
ANC type
adaptive
-
Transparency mode
Yes
-
Companion app
Yes
-
Custom EQ
Yes
-
Wear detection
No
-
Controls
both
-
Weight
560 g
533 g
USB-C
Yes
-
Microphones
2
-
Call noise reduction
Yes
-
Call NR technology
AI ENC
-

What reviewers said

Audeze Maxwell 2 ANC

No summary yet - we haven't aggregated enough reviews.

STAX SR-507

The STAX SR-507 is a wired electrostatic over-ear headphone delivering a neutral sound signature with exceptional technical performance, particularly in detail retrieval and transient response. Its high impedance and electrostatic design require a dedicated amplifier, making it a specialist choice for critical listening rather than casual use.

  • Pro:Detailed and revealing treble
  • Pro:Fast transient response
  • Pro:Lightweight and comfortable for an electrostatic
  • Con:Requires a dedicated electrostatic amplifier
  • Con:Very high impedance limits portability
  • Con:Bass extension may feel restrained for some listeners

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

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