Oxygen-Free Copper Headphone Cable | OFC


C3 Audio OFC Headphone Cables allow you to customize your headphones without breaking the bank. This cable is also a great way to see the difference that even an affordable headphone cable can make in the quality of your listening experience.

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Oxygen-free copper is well-known among audiophiles and industry professionals for its ability to give powerful and full-bodied sound performance to an audio system. C3 Audio’s OFC headphone cable is made using our own custom OFC wire, which is designed and manufactured in-house. Hear more detail and see a marked improvement in the bass response and performance of your headphones.

This is one of the industry’s lightest and most comfortable headphone cables. Whether you need a long run for your in-home listening sessions or a short and light cable for your daily commute, this cable’s low profile and stylish nylon sleeving turns heads and gives your headphones the performance you deserve.

Choose C3 Audio OFC if you’re looking for a high-performance, affordable replacement headphone cable.


Conductors: 4 x 26 AWG

Conductor Type: 99.995% Pure Oxygen-Free Copper

Solder: Cardas Quad Eutectic Solder

Shielding: Mylar Foil

Construction: Starquad With Drain Wire

Jacket Type: Low Smoke Zero Halogen

Break-In Time: 25 Hours

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

Cable Length

3 ft, 4 ft, 5 ft, 6 ft, 7 ft, 8 ft, 9 ft, 10 ft, 11 ft, 12 ft, 13 ft, 14 ft, 15 ft, 16 ft, 17 ft, 18 ft, 19 ft, 20 ft

Headphone Connection

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

Amplifier Connection

Neutrik 1/4 TRS, 4-pin XLR, 3.5 mm TRS, 2.5 mm TRRS, Dual 3-pin XLR, Pono Balanced, 4.4 mm Pentaconn


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