Headphone Cable for Sennheiser HD600 / HD650 / HD660S

Price range: € 449 through € 619

The HD600 family has become one of the most respected headphone platforms in personal audio thanks to its natural midrange, balanced presentation, and long-session listening comfort. Zikman cables for HD600, HD650, and HD660S are built to support that versatility with dependable construction and stable system integration.

Learn more about the conductor architecture, materials, and engineering behind our Palladium Coax Core platform in this article

The design philosophy focuses on preserving the headphones’ natural tonal balance while improving usability, connector consistency, and compatibility with modern balanced amplifier setups.

Each cable is handcrafted in Europe and built specifically for the classic Sennheiser two-pin connector standard. Multiple terminations are available including 4.4 mm Pentaconn, XLR, 6.3 mm, and 3.5 mm outputs.

Every cable includes a unique Zikman Cable ID with build specifications and quality control verification.

Length

150 cm / 5ft, 200 cm / 7 ft, 300 cm / 10 ft

Amplifier Connection

3.5 mm, 4-pin XLR (balanced), 4.4 mm balanced (Pentaconn), 6.3 mm, Dual 3-pin XLR (balanced)

Base

Palladium Coax Core

Solder

Zikman Silver + solder with increased silver content

Looking for a custom version of this cable?

If you would like to adjust the length, ear-hook shape, hardware, connectors, or other details, we’ll be happy to help. Message us at team@zikman.audio or
→ Request a custom headphone cable
→ See real custom builds from our workshop

FAQ

Does this cable fit HD600, HD650, and HD660S?

Yes. This page is built around those three models.

Can I use a balanced connection?

Yes. You can choose balanced terminations such as 4.4 mm, 4-pin XLR, or dual 3-pin XLR.

Is this cable suitable as a stock cable replacement?

Yes. It works both as a direct replacement and as an upgrade.

Will it keep the natural sound of these headphones?

Yes. The aim is to preserve their established character while improving overall control, usability, and system integration.

Can I specify my source or amplifier before ordering?

Yes. You can share your setup details so compatibility can be checked before production.

We will answer all your questions about IEM cables and help you determine exactly what you need

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Need advice? Ask our cable expert

Tell us about your setup — what IEMs or headphones you use,
your current cable, and what you’d like to improve in sound.

We’ll suggest the best match from our lineup

Looking for the ideal sound upgrade?

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Share your setup and what you’d like to improve — we’ll guide you to the right cable.

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