Universal Headphone Adapter | UPOCC


Adapters to fit all of your headphones. These adapters are compatible with C3 Audio’s industry-leading Universal Headphone Cable.

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The C3 Audio Universal Headphone Cable system allows you to listen to all your favorite gear with minimal impact on your storage space and wallet. We offer many adapters to fit most available headphone models on the market today.

This adapter is designed for use with the Universal Headphone Cable. Headphone adapters are 2 feet long, so all you have to do is choose your desired headphone connector. Once you have the connector you need, simply plug it into the 4-pin mini XLR plug on your Universal Headphone Cable. You’ll be listening to your favorite music on a world-class system.

If you use more than one amplifier, check out our matching Universal Amplifier Adapters.

**This is only the headphone adapter portion of the system.**

To complete your Universal Headphone Cable System, please purchase a Universal Headphone Cable and optional Universal Amplifier Adapter.

Read the Headfonia Review!


Conductors: 4 x 21 AWG

Conductor Type: 99.99998% Ultra Pure Ohno Cast Copper

Solder: Cardas Quad Eutectic Solder

Shielding: Mylar Foil

Construction: Starquad With Drain Wire

Jacket Type: Low Smoke Zero Halogen

Break-In Time: 25-50 Hours

If you don’t see your headphone listed, chances are we can make you a custom adapter, so reach out to us if that is the case. Take advantage of C3 Audio’s 14-day return policy, free shipping within the U.S., and personalized service. Have a question? Contact us.

Additional information

Headphone Connection

Sennheiser HD-600 series, Sennheiser HD-800 series, Audeze LCD, Audeze EL-8, HiFiMAN 2.5 mm, HiFiMAN 3.5 mm, HiFiMAN SMC, Focal Clear/Elear/Elegia, Focal Utopia, Abyss 1266 PHI, Abyss Diana, Beyerdynamic DT series, Beyerdynamic T series, MrSpeakers, Sony MDR-1 Series, AKG


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