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Abyss Diana TC Signature vs Audeze LCD-5s

Both are planar magnetic open-back headphones.

The Diana TC Signature is 106 g lighter, at 369 g against 475 g.

They need about the same power to reach a loud 110 dB peak, so an amplifier that suits one suits the other.

The LCD-5s lists for $495 less.

AudezeLCD-5s

$4,500

Side by side

Diana TC SignatureLCD-5s
Driver
Planar magnetic
Planar magnetic
Diaphragm
Ultra-thin planar diaphragm with EBR (Extended Bass Response); thickness unpublished
Nano-Scale Parallel Uniforce diaphragm (thickness unpublished)
Driver size
63 mm
90 mm
Enclosure
Open-back
Open-back
Weight
369 g
475 g
Diana TC Signature is 106 g lighter
Impedance
72 ohms
35 ohms
Sensitivity
90 dB/mW
90 dB/1 mW (at Drum Reference Point)
Power for 110 dB
100 mW, 2.68 V
100 mW, 1.87 V
About the same
Drive
Moderate drive
Moderate drive
Frequency response
2 Hz – 58 kHz
5 Hz – 50 kHz
Made in
USA (Buffalo, New York)
USA (California)
Released
2026
2026
List price
$4,995
$4,500
LCD-5s is $495 less

From each maker’s published figures; sources are on each headphone’s page. Power for 110 dB is worked out from sensitivity and impedance.

Amplifiers that drive both

How the matching works

Each of these has 10 dB or more in reserve above a loud 110 dB peak on both headphones, so one amplifier serves either.

Where to buy the Diana TC Signature

List $4,995

Retailer prices checked 2026-10-21. We may earn a commission on purchases. How this works

Where to buy the LCD-5s

List $4,500

Retailer prices checked 2026-10-21. We may earn a commission on purchases. How this works

More head to head