Overview

Prepare to elevate your listening experience with the new WA33 (2nd generation) amplifier. Building upon the award-winning legacy of its predecessor, our latest masterpiece redefines what's possible in high-fidelity sound reproduction. Unlock unprecedented versatility with expanded output options.

Abyss Headphones considers the WA33 JPS Labs Edition (2nd Gen) to be finest tube headphone amplifier money can buy to mate with their AB-1266 Phi TC headphone, or any other high performance headphones that appreciates high dynamic power and grace.

Sonic Performance That Defies Expectations

The enhanced WA33 "house sound" has been further refined.

• A vivid sound image render each note with precision and articulation

• Extraordinary definition that reveals nuances you've never heard before

• Dramatically improved imaging that precisely places each instrument in three-dimensional space

• An expansive, focused soundstage that transports you to the recording venue

• Breathtaking dynamic range that brings music to life with startling realism

• Crystal-clear articulation that renders every note with perfect precision

Power meets clarity, perfectly balanced. WA33 (2nd Generation) isn't just better. It's a fundamental leap forward in design to deliver a lifetime of enjoyment.

This JPS Labs ABYSS Edition features internal Alumiloy® wiring by JPS Labs, noted for their unique ability to provide life-like clarity and full range coherent sound from the lowest lows to beyond audibility [JPS Labs, the parent company of ABYSS Headphones, designs and manufactures cables for everything ABYSS].

Highlights

• Updated to 2nd generation in May 2025
  

• JPS Alumiloy® internal wiring

• User selectable outputs:

  • TR (True-ribbon) direct-drive without interface

  • HP (Traditional headphone)

• Headphone Outputs:

  • 4-pin XLR balanced for TR (True-ribbon) without interface

  • 4.4mm balanced (Pentaconn®)

  • 4-pin XLR balanced

  • 6.3mm unbalanced TRS

• Same default tubes for all versions: 6C45 driver x 4, 2A3 power x 4, 5U4G rectifier x 1

• Fully balanced design, Push Pull, Class-A

• Polytetrafluoroethylene (PTFE) tube sockets

• TKD (Tokyo Ko-on Denpa) 4-channel balanced smooth potentiometer

• Transformer-coupled, Point-to-Point wiring

• Internal Coupling Architecture (ICA)

• XLR input x 2, RCA input x 1

• Outputs: Dual 3-pin XLR (left and right channel), 4-pin XLR x 1 and 1/4" (6.3mm)

• User selectable HI/LO impedance for HP headphone

• User selectable HI/LO level for two levels of power output

• Headphones impedance: 0.1—600 Ohms

• Frequency response: 10Hz— 60kHz, -2dB

• Current output (TR): 3.3A [optimized for true ribbon technology]

• Power output (HP): up to 10 watts per channel @32 Ohms [ideal for power-demanding headphones]

• Signal/Noise: > 95 dB, THD: < 0.05%, 1kHz

• Anodized aluminum chassis, available in black or silver

• Self-biasing with compatible tubes [chart]

• Power consumption: 150w

• Compatible AC voltage: 100v – 240v

• Dimensions: 17.5"(W), 12"(D), 13"(H) with tubes, weight: 54 lbs for Standard, 57 lbs for Elite Edition. Open airflow is required for ventilation.

• Designed and assembled in New York, USA

• Three-year limited warranty [learn more]

In the box

• WA33 JPS Labs Edition (2nd gen) x 1

• Upgraded tube set to mate with AB1266 headphones

• 2A3 tube x 4

• 5U4G (5U3C) rectifier tube x 1

• 6C45 tube x 4

• Quick start guide

*AC power cord and audio cables are not included

Each amplifier is hand assembled for you and ships to your door in approximately 2-3 weeks. Recommended cables: JPS Labs Superconductor 4 or best Aluminata XLR interconnects and JPS Labs Kaptovator Lite or best Aluminata AC cables.

SPECIAL ORDER, YOUR CHARGE IS NON-CANCELABLE, PRODUCT IS NON-RETURNABLE. EXPECT 2-3 WEEKS FOR DELIVERY.