Effect Audio Code 23 y-split closeup over white background
Effect Audio Code 23 cable with case from Bloom Audio gallery
Effect Audio Code Pentaconn connector
Effect Audio Code 23 on wood table from Bloom Audio gallery
Effect Audio Code 23 y-split
Effect Audio Code 23 cable coiled on wooden shelf from Bloom Audio gallery
Effect Audio Code 23 3.5mm termination
Effect Audio Code 23 y-split and twisted cable

Effect Audio Code 23 | Copper Upgrade Cable

Regular price$799.00

Headphone Connection

Effect Audio brand logo

A New Copper Era Rises with Effect Audio's CODE 23 Copper Upgrade Cable

  • Uses Effect Audio's flagship UP-OCC copper litz for a warm, lush, emotive sound
  • Features Effect Audio's TermX™ interchangeable system which includes 2.5mm, 3.5mm, and 4.4mm terminations
  • 13 Multi-core Bundle cable structure with solid core design and extremely thick 16.5AWG wire
  • Experience more engaging mids and visceral bass punch

Effect Audio Code 23 banner highlighting y-split

The Cyber Beast

Discover EA's "new beast from a dystopian future," with its power and ultramodern technical fluency. CODE 23 is a representation of EA's persistence with pushing a single material to its fullest potential. Befitting of their flagship copper cable label, CODE 23 features and combines multiple technologies into a coherent piece of tech: pure copper solid core, a host of 12 different multi-size core bundles, a proprietary blend of multi-size strands, a whopping 16.5 AWG and more. The result is a transformational experience with picturesque vocals that are true-to-life and a sub bass that reaches the deepest levels.

Hear the new flagship level copper sound and be transported into an other-worldly cyber realm!

Flagship Copper Concept

The first CODE product, CODE 51, was created to explore the extremities of the Silver material. EA went all out with multiple rounds of experimentation and eventually landed on a Tri-Silver design: Palladium-plated Silver, Gold-plated Silver, and Silver/Gold alloy, perfectly blended to provide a marvelously detailed and crystal clear performance that passes the mark for a Flagship-worthy Silver cable.

Today... CODE 23 is the Copper equivalent of that.

EA wants to cater to the diehard copper fans, those that love copper for its warm, lush and emotive sound. CODE 23 explores that and turns the knob all the way up!

First Dual Application Cable

For the first time in 14 years of cable-making history, Effect Audio is proud to introduce a cable where “headphone” is released as a standard option. CODE 23 will be suitable for both IEMs and headphones.

Effect Audio Code 23 cable highlighting thickness and y-split

Mega-Thick Cable

During the idea phase for CODE 23, EA stepped out of the comfort zone and dove into the exact components within their cable’s engineering DNA, focusing largely on one of the most critical factors of an audio cable: American Wire Gauge size.

The focus is on SOUND this round, and they weren't afraid to break norms. After several rounds of multi-testing, they managed to create their first whopping 16.5 AWG Effect Audio cable (10x thicker than a standard 26AWG cable) that features a remarkably floor-low resistance.

Avant-garde Solid Core Cable

Applying a non-stranded wire structure has always been top of the EA list and finally realized in an impeccable system. A solid core cable is a superior electrical conductor that raises the bar with stable electrical characteristics and resistance to vibration and corrosion. Being the first solid core cable in EA history with technical advantage over the others, CODE 23 will excite and engage.

Effect Audio Code 23 internal cable structure diagram

13 Multi-core Bundle Cable Structure

A higher resolution sound can be achieved when a perfect ratio of bundle cores to a single wire is applied. After multiple rounds of relentless experimentation, CODE 23 has an optimal positioning of 12 cores that intricately surround a single solid core.

Proprietary Multi-size Strands Blend

The size of the wire strands affects how current passes through, and in simple words, a blend of different sizes will correlate to how each frequency range is affected. To achieve the sound that Effect Audio deemed perfect for CODE 23, a proprietary blend of multiple different size strands were implemented.

Interchangeable Modular System

Similar to the Cleopatra II, CODE 23 features both ConX and TermX interchangeable connectors and cable termination system to allow maximum versatility. You can now pair CODE 23 with your favorite DAP or headphones anytime, anywhere.

Effect Audio TermX modular connector and included tips

The CODE 23 Sound

CODE 23 features engaging mids and is designed to be transformative, bringing listeners on a discovery into the musician’s world. The low end is also transformed! A subwoofer produces the lowest of frequencies that can you can feel - that’s the target for CODE 23. On top of a visceral punch and a strong sensorial bass, listeners can expect to unlock the deepest rumble for a more immersive, auditory experience.


  • Selected premium UP-OCC material Copper Litz
  • 13 Multi-sized core bundle with solid core design
  • Proprietary multi-sized strands blend
  • 16.5 AWG 2 wires
  • EA UltraFlexi™ insulation
  • TermX™ Basic Set (2.5mm, 3.5mm, and 4.4mm interchangeable set)
  • Effect Audio 1 Year Warranty

Effect Audio Code 23 cable inside included carry pouch

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