Abyss Diana TC Signature vs Final D8000 Pro Edition

The Diana TC Signature is a planar magnetic open-back headphone and the D8000 Pro Edition is a planar magnetic semi-open one.

The Diana TC Signature is 154 g lighter, at 369 g against 523 g.

The Diana TC Signature needs 8 dB more power to reach a loud 110 dB peak, so it asks more of the amplifier.

The D8000 Pro Edition lists for $496 less.

$4,995

$4,499

Side by side

Diana TC SignatureD8000 Pro EditionDifference

Diana TC SignatureD8000 Pro Edition

Driver: Planar magnetic; Planar magnetic
Diaphragm: Ultra-thin planar diaphragm with EBR (Extended Bass Response); thickness unpublished; Ultra-light film with etched thin aluminum-foil coil, no adhesive; AFDS air-film damping
Driver size: 63 mm; 50 mm (reviewers; not in Final's spec)
Enclosure: Open-back; Semi-open
Weight: 369 g; 523 g; Diana TC Signature is 154 g lighter
Impedance: 72 ohms; 60 ohms
Sensitivity: 90 dB/mW; 98 dB/mW
Power for 110 dB: 100 mW, 2.68 V; 15.8 mW, 0.98 V; Diana TC Signature needs 8 dB more
Drive: Moderate drive; Easy to drive
Frequency response: 2 Hz – 58 kHz; Not published
Made in: USA (Buffalo, New York); Japan
Released: 2026; 2019
List price: $4,995; $4,499; D8000 Pro Edition is $496 less
Materials: Aluminium Leather Glass; Magnesium Aluminium Stainless steel Leather; Both use aluminium, leather

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

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

List $4,995

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

List $4,499

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