Over-Ear
STAX SR-007S
83Outstanding
$2,390
Full review dataSTAX SR-007S vs Ultrasone Edition 15: which should you buy?
Specs, scores and condensed review verdicts for the STAX SR-007S vs Ultrasone Edition 15, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.
Over-Ear
Ultrasone Edition 15
Not yet scored
$3,000
Full review dataScore breakdown
Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.
STAX SR-007S leads on 4 of 4 measures.
- STAX SR-007S
- Ultrasone Edition 15
HearWiki score
83
-
Sound
9.5
-
Value
7.2
-
Price (USD)
$2,390
$3,000
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?
Same generation
The STAX SR-007S is 7 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 7 years between them, that is a thin return - treat this as a restyle rather than a new platform.
- SR-007S20257 yr newer
- Edition 152018
Specifications
SR-007SEdition 15
- Type
- Over-Ear
- Over-Ear
- Price (USD)
- $2,390
- $3,000
- HearWiki score
- 83
- Not scored
- Released
- 2025
- 2018
- Availability
- Sold new
- Discontinued
- Driver
- 2× electrostatic
- 40 mm driver
- Driver type
- electrostatic
- -
- Driver size
- -
- 40 mm
- Drivers per side
- 2
- 1
- Frequency response
- 6 Hz - 41 kHz
- 5 Hz - 48 kHz
- Impedance
- 145000 Ω
- 40 Ω
- Sensitivity
- 101 dB/mW
- 94 dB/mW
- Active noise cancelling
- No
- No
- ANC type
- none
- -
- Transparency mode
- No
- -
- Companion app
- No
- -
- Custom EQ
- No
- -
- Wear detection
- No
- -
- Controls
- none
- -
- Weight
- 430 g
- 320 g
- Detachable cable
- Yes
- Yes
- USB-C
- No
- No
What reviewers said
STAX SR-007S
The STAX SR-007S is a refined electrostatic flagship that builds on the classic Stax formula with updated internals and comfort-focused earpads. It delivers a spacious, highly detailed soundstage with warm bass and clear treble, all while maintaining a smooth, airy presentation. This wired, over-ear design is a perfectionist's choice for those seeking an evolutionary upgrade in high-end audio.
- Pro:Spacious and precise soundstage
- Pro:Warm, deep bass with clear highs
- Pro:Improved comfort and reduced earcup resonance
- Con:Requires a dedicated electrostatic amplifier
- Con:Very high impedance limits portability
- Con:No built-in controls or wireless features
Ultrasone Edition 15
The Ultrasone Edition 15 is a premium wired, semi-open headphone built with a gold-titanium composite driver that delivers a warm, musical low end and crisp treble. Its handcrafted cherry wood cups, aluminum frame, and detachable LEMO cables emphasize a high-end, durable design for audiophiles. With a 40-ohm impedance and 94 dB sensitivity, it pairs well with quality headphone amplifiers.
- Pro:Rich, warm bass with detailed highs
- Pro:Premium cherry wood and aluminum construction
- Pro:Detachable LEMO cables for easy replacement
- Con:High price point
- Con:No noise cancellation or wireless features
- Con:Requires a separate amplifier for best performance
Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.
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