Abyss Diana TC vs STAX SR-007S: which should you buy?

On aggregated review scores the STAX SR-007S comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: STAX SR-007S - Outstanding overall at around $2390.

Over-Ear

Score 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.

Abyss Diana TC
STAX SR-007S

HearWiki score

Sound

9.5

Value

7.2

Price (USD)

$3,570

$2,390

Specifications

Diana TCSR-007S

Type: Over-Ear; Over-Ear
Price (USD): $3,570; $2,390
HearWiki score: 75; 83
Released: 2026; 2025
Availability: Sold new; Sold new
Driver: 63 mm planar magnetic; 2× electrostatic
Driver type: planar; electrostatic
Driver size: 63 mm; -
Drivers per side: 1; 2
Frequency response: 5 Hz - 58 kHz; 6 Hz - 41 kHz
Impedance: 69 Ω; 145000 Ω
Sensitivity: 90 dB/mW; 101 dB/mW
Active noise cancelling: -; No
ANC type: -; none
Transparency mode: -; No
Companion app: -; No
Custom EQ: -; No
Wear detection: -; No
Controls: -; none
Weight: -; 430 g
Detachable cable: Yes; Yes
USB-C: -; No
Connector: XLR; -
Balanced connection: Yes; -
Model code: AB-DTCS-1; -

Specification comparison of Abyss Diana TC vs STAX SR-007S
Spec	Abyss Diana TC	STAX SR-007S
Type	Over-Ear	Over-Ear
Price (USD)	$3,570	$2,390
HearWiki score	75 / 100 Great	83 / 100 Outstanding
Released	2026	2025
Audio
Driver	63 mm planar magnetic	2× electrostatic
Driver type	planar	electrostatic
Driver size	63 mm	-
Drivers per side	1	2
Frequency response	5 Hz - 58 kHz	6 Hz - 41 kHz
Impedance	69 Ω	145000 Ω
Sensitivity	90 dB/mW	101 dB/mW
Features
Active noise cancelling	-	No
ANC type	-	none
Transparency mode	-	No
Companion app	-	No
Custom EQ	-	No
Wear detection	-	No
Controls	-	none
Design
Weight	-	430 g
Detachable cable	Yes	Yes
USB-C	-	No
Connector	XLR	-
Balanced connection	Yes	-
Model code	AB-DTCS-1	-

What reviewers said

Abyss Diana TC

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

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

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

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