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Eidolic 3.5mm universal extended-tip plug (fits Beyer, Final...)

Starting at: $13.50

Priced per plug.

New model:


Old model:

The revised universal plugs with 5.5mm tip width (fitting Beyerdynamic perfectly) with a new gunmetal finish, these also fit our Meze 99 mod.  We still have limited stock of the old black/red model which does not fit the Meze mod and is a very tight fit on Beyers, at a discounted price.

The Eidolic 3.5mm universal extended-tip plug is a complete solution for the versatile 3.5mm connections, featuring a simplified installation process, enhanced durability, superior ergonomics, and a unique appearance.  These connectors fit the following applications:


Dual Entry:

Focal Elear
Meze 99 Classics, when used with our easy to install mod

Beyerdynamic T1 and T5 2nd Generation*
Denon D7100 and D600
Velodyne VTrue
Mcintosh MHP1000
Sony MDR-Z7

Sony MDR-Z1R
Final Audio Pandora Hope, Sonorous, all of the "locking" 3.5mm jack headphones


Single Entry:

Focal Listen

Beats Studio and other Beats headphones
Philips Fidelio
Master & Dynamic
Or any headphone with a 3.5mm jack

Design Elements:

Perfect size and shape.  The diverse dimensions of 3.5mm headphone jacks offer a unique challenge to the audio cable industry and anyone looking to build a high-performing cable.  There is really no good way to support custom cables for these headphones simultaneously until now.   We have a streamlined 9mm barrel diameter that will fit very compact jack layouts, but a newly-expanded 7mm rear opening and 7mm front opening will fit the vast majority of cables.  We have also shortened the barrel slightly to make the plugs less obtrusive. 

The secret to this plug is an 11mm extension behind the plug shaft allows for precision fit into these headphones’ recessed openings, and will fit a variety of future headphones that use this connection standard.  Even headphone types that were impossible to support before - like Beats and Beyerdynamic T1 2nd Generation - with deep, slant-cut 3.5mm jacks - are no problem here.  This design is one-of-a-kind and is not based on any other designs, engineered specifically for a universal fit with countless new applications appearing with each new headphone release.  They are secure for flush sockets such as Master & Dynamic headphones, but also have the required length to fit obscured sockets such as Focal Spirit One.

Ideal installation conditions.  The solder contacts inside the plug are thoroughly insulated and properly spaced to allow effortless cable installation, without the risk of shorts or compromised insulation.  In this way, we avoid tiny, stacked contacts that are easy to short and difficult to maneuver around.  This design has been prototyped and tested over an extended period to ensure it goes the distance.  The barrel offers ample room inside and is treated to ensure its interior is nonconductive, and the plug avoids the use of magnetically charged materials wherever possible. 

The best metallurgy for each design.  A high-conductivity, high strength combination of gold and brass is employed for this connector.  Superior plating thickness and complete plating of all plug surfaces set this connector apart. 

Unique barrel aesthetics.  The Eidolic 3.5mm universal plug is incredibly light and compact due to the choice of materials, which also confer a near-indestructible exterior; the revised dimensions reduce weight slightly.  The new black anodized aluminum shell is textured with a proprietary process that yields a tough, matte finish that sparkles in the light.  A distinctive crimson Eidolic logo is screened and cured onto the upper area of the barrel.  Even the most abrasive conditions will not harm the exterior of these connectors. 

From day 1, Eidolic connectors have been designed with transparency in mind - both in sound quality and in their code of ethics.  These connectors will always be sold with the exact materials and alloy types stated clearly - if there is ever a question, it is met with an unclouded answer.  Many connectors sold today are described as “pure copper” or a “copper alloy” when they are actually tellurium copper (a strong, machinable alloy that is within 5% of pure copper’s conductivity and is 99.5% copper) or brass (a “copper alloy” that is generally about 60% copper).  Sometimes the description gets more creative, mentioning “hybrid” compositions and alloys.  The only way to sell connectors without misleading the public is to call each metal what it is - brass, phosphor bronze, tellurium copper, or pure copper.  There are all sorts of plugs for sale around the world described as “OCC pin” or “pure silver connector” or “pure copper connector” that come back as brass every time - and their “rhodium plating” is nickel - a less conductive look-alike.  There are connectors for which a pure copper assembly is simply impossible, being too delicate and impossible to accurately machine with such a soft base metal.  While no factory would take on such a project, pure copper is what is claimed.  For Eidolic, the truth comes first. 


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This product was added to our catalog on Saturday 14 November, 2015.