Atlas Zeno Grun Harmonic 1:2 Headphone Cable


Length (m): 2
Jack size: 2.5mm

Tax included

Ultimate performance cables for ‘high-end’ headphones. True dual bal-anced design.


Zeno Harmonic

Our Zeno headphone cables are well-established as a significant upgrade over the cables typically bundled with ‘audiophile’ headphones.
Zeno Harmonic raises the performance standard still further, a fully-balanced design incorporating our Grun Coherent Earth System, created to complement the world’s highest fidelity headphones.


Coherent Earthing System.

An independent system earth engineered to reduce the RFI and EMI ‘noise’ which frequently degrades audio performance. Find Out More

‘High-end’ headphones continue to grow in popularity, but it’s still the case that the great majority of original cables supplied with even very expensive models fall short of delivering the full performance potential of the headphone itself.

The Zeno Harmonic cable addresses this by combining high purity OCC copper conductors in a true dual-balanced design with our Grun Coherent Earthing System which provides a reference earth point when attached to either your amplifier or mains ground.

The result is a drop in EMI-induced background noise levels to an unprecedented level in a headphone system, revealing the true dynamic range of your headphones.

Zeno Harmonic features our low-mass, wide bandwidth 4 (OCC) pin XLR connector with our proven cold-weld (precision-crimped) solder-free construction methods, the objective being to produce a continuous high-integrity signal path avoiding the breaks in material continuity which degrade ultimate fidelity.

Zeno is supplied as standard with a 1m Grun cable and spade tag adapter for connection to the ground post on your amplifier. A still higher level of performance can be obtained via an optional Grun mains adapter, typically used in a spare socket on your mains distribution block. A high quality XLR–6.3mm jack-plug adaptor is also included with each Zeno Harmonic cable.

Zeno Harmonic is a premium replacement cable for dynamic headphones (not electrostatics) from most audiophile brands. If you don’t see your brand listed, please contact us – because Atlas hand-assemble in-house to order, we can accommodate most specific termination or custom-build requests.

Standard lengths available are 2, 2.5 & 3m, with custom lengths and the option of our ‘Luxe’ premium leather finish available on request.


Connector Type: Metik plug/4 Pin XLR


Conductor Material: OCC

Dielectric Material: FEP

Construction: Dual Symmetrical (balanced)


Premium XLR–6.3mm jack-plug adaptor

1m Grun cable and spade tag adapter


Construction Dual Symmetrical
Conductor OCC Copper
Dielectric PEF
Screen Braid + Mylar™
Conductor Resistance 0.0859 Ohms/m
Capacitance 95.08 pF/m
Inductance 0.43 µH/m
Outside Diameter Outside Diameter: 7.6mm


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