Abyss Diana TC


Flagship Luxury Headphones

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The Diana headphones were launched in 2018 and were instantly recognised as the world’s thinnest boutique headphone. The Diana changed long standing perceptions of headphone physics by easily comparing to and in many cases besting some of the highest performance headphones of the time. World-class sound in a compact portable package. ABYSS then released the Diana Phi, a higher performance version that incorporates the Phi planar drivers from their flagship AB-1266 Phi CC. In late 2021, Abyss replaced the Diana Phi with a new updated premium headphone, the Diana TC.

The Diana TC headphone has world-class dynamics, resolution, and refinement to achieve sound quality never before heard in such a compact package. As with any ABYSS, The Diana TC is quite capable of playing any genre of music to an extreme level of enjoyment, limited only by the electronics and recording. The goosebump inducing ‘you are there’ sound is to die for. ‘Bigger on the Inside’ best describes the Diana TC’s huge sound, bass depth, speed and wide soundstage with impeccable tonal balance. Voices are rendered so real you feel they are with you right there in the moment.

The exceptional sound of the Abyss Diana TC is largely due to the quality and attention to the finest of details in the design & manufacturing process. The whole headphone is manufactured within the Abyss facility in Buffalo, New York, USA. The fact that every single part is made in house gives the Abyss engineering team full control over every parameter of the design and construction process. The aircraft grade aluminium frame components are machined and finished, the patented planar speaker drivers are crafted from the highest quality materials and the complete headphone is assembled with US made stainless hardware.

In comparison with the outgoing Diana Phi, the Diana TC has incorporated updates to the planar driver system which take it even closer to the flagship no-holes-barred AB-1266 Phi TC Reference headphone. They also feature new updated lambskin ear pads and leather headbands.

The Abyss Diana TC has the following features:

  • The thinnest boutique headphone in the world sculpted from aircraft grade aluminum for incredible strength.
  • European leather headband with soft Alcantara®
  • High-tech ceramic polymer finish.
  • Latest 2021 generation Diana ear pads made in-house by ABYSS with soft foams and a ‘pillow top’ adapt to the shape of your head over time for long-term comfort with minimal clamping force.
  • Large 63mm patented Phi planar drivers with ultra-low mass diaphragm for extremely fast bass impact and subtle life-like micro-details.
  • Fibonacci side hole pattern properly tunes the sound while following the flow of nature.
  • EMotion headband magnetically adjusts and contours your head for a comfortable fit.
  • Choice of Titanium Grey or Dark Bronze colours.
  • Choice of Standard package with standard cable choices or Complete package with upgraded JPS Labs Superconductor cables.

Sonically, the Abyss Diana TC headphone is an exceptional listening experience. The flat planar driver design is fast, articulate yet natural and balanced. It creates a wall of sound that infuses the ears with details rarely heard in your music. Front row concert seats on demand while on the go or relaxing at home. The Diana TC has quickly gained a reputation as one of the very best, most musically enjoyable headphones available at any price.

Available Accessory Packages

The Abyss Diana TC comes in 2 different packages, depending on the level of accessories that you prefer.

Package Diana TC Standard Diana TC Complete
Headphone Abyss Diana TC Abyss Diana TC
Colours Choice of Titanium Grey or Dark Bronze Choice of Titanium Grey or Dark Bronze
Cable High performance cables, custom made by JPS Labs for Abyss.
Standard length 1.5m (5 ft) with choice of: 3.5 mm, 1/4” (6.3 mm), 4 pin XLR, 2.5 or 4.4 mm balanced plug.
Longer lengths available by request.
Upgraded JPS Labs Superconductor HP balanced cable set.
Standard length 1.8m (6ft) with choice of: 1/4” (6.3 mm), 4 pin XLR or 4.4 mm balanced plug.
Longer lengths available by request.
Travel Bag Dual zipper canvas cotton carry case with leather accents (Made in USA) Dual zipper canvas cotton carry case with leather accents (Made in USA)



Diana Phi - Major Hifi Platinum Award


Recommended Matching Components

High performance headphones require a quality portable headphone player or headphone amplifier for best results. A mobile phone will not play to satisfying levels nor quality. These headphones will work with many amplifiers and cables however the following components have been tested and highly recommended by the manufacturer for optimum performance:

  • Eleven XI Audio Broadway Amplifier – Literally designed for the Abyss Diana V2.
  • Eleven XI Audio Formula S Amplifier – Literally designed for the Abyss AB-1266 Phi TC
  • The cables that are included with the headphones are a great match but for optimum performance, the JPS Labs Superconductor HP cable set for Diana Phi is highly recommended.

Product Specification

Model Abyss Diana TC
Description World’s thinnest boutique planar headphone, incorporating large 63mm patented planar speaker drivers
Colours Titanium Grey or Dark Bronze. Custom colours also available.
Sensitivity 91 dB/mw
Frequency Response 6 Hz – 26 kHz
Impedance 32 ohms
Weight 350 grams

Additional information


Titanium Grey, Dark Bronze


Standard – 3.5mm plug (with 6.3mm adaptor) – 1.5m, Standard – 2.5mm balanced plug – 1.5m, Standard – 4-pin balanced XLR – 1.5m, Standard – 4.4mm balanced plug – 1.5m, Standard – 6.3mm (1/4”) stereo plug – 1.5m, Complete – 4-pin balanced XLR – 1.8m Superconductor, Complete – 4.4mm balanced plug – 1.8m Superconductor, Complete – 6.3mm (1/4”) stereo plug – 1.8m Superconductor