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Harmonic Harmony DIRECT LINK RCA – OCC Interconnect Cable (0.5m-6m)

Vendor:Harmonic Harmony

Harmonic Harmony DIRECT LINK RCA – OCC Interconnect Cable (0.5m-6m)

$907.00

Direct Link is a reference-oriented RCA interconnect built around ultra-pure OCC copper, heavy-gauge multi-strand conductors, and a manual twisted structure with braided shielding. It sits at the top end of the range for systems where cable construction is treated as part of the noise-control plan, not an afterthought.

Size
Size: 0.5m

Pairs well with

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Standard 12 Month Warranty

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Product details

Advanced Specifications
  • Conductors: 2 × 12 AWG coated multi-strand
  • Conductor material: ultra-pure OCC copper
  • Dielectric: air dielectric
  • Shield: copper braided shield
  • Structure: manual twisted
  • Connectors: 4 × silver-plated RCA with oversized carbon fibre case
  • Noise control: Faraday shield against RFI and EMI
  • Grounding: extra ground lead to connect to EHD Ground or Master Ground
  • Available lengths: 0.5 m, 1 m, 1.5m, 2 m, 2.5m, 3 m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m

*Note: Speaker Cable variants available

Key Features
  • Ultra-pure OCC copper conductors support low-loss signal transfer in reference systems.
  • Heavy-gauge multi-strand design prioritises conductivity and consistency over long runs.
  • Air dielectric is specified to reduce unwanted interaction between conductor and insulation.
  • Manual twisted structure plus copper braided shield supports noise rejection in electrically busy vehicles.
  • Faraday shielding approach reduces RFI/EMI intrusion into low-level signal paths.
  • Extra ground lead supports a deliberate grounding method using EHD Ground or Master Ground connections.
  • Silver-plated RCA connectors with oversized carbon fibre case are specified as part of the termination and housing design.
Best Suited For
  • DSP-to-amplifier and source-to-DSP runs in high-resolution, low-noise builds
  • Vehicles prone to alternator/ignition noise where shielding and grounding strategy matter
  • Systems using dedicated grounding solutions (EHD Ground / Master Ground)
  • Reference installs where cable spec is chosen to support system stability and repeatability
Why OSCA Backs This Product

Direct Link is the sort of RCA you choose when the system’s already serious and you’re done chasing noise with workarounds. The spec is the story here with OCC copper, heavy-gauge conductors, air dielectric, a proper braided shield, and that extra ground lead for tying into a grounding plan so it’s built to stay stable in real vehicles (not just look good in a parts list). If you’re investing in a reference install, this is one of the few cables that’s actually engineered like it belongs there.

Documents

DIRECT LINK Tech Specs Harmonic Harmony Catalogue 2025

Pure Signal. Uncompromised Sound.

DIRECT LINK are one of the very few cables in the market that are capable of reproducing tonal richness, incredible transparency and the feel of a truly holographic sense of live performance. They are a trusted foundation in championship-winning car audio systems worldwide.

The difference between good sound and extraordinary sound often comes down to what you don't hear: the noise, the distortion, the compression that lesser cables introduce. Direct Link removes these barriers. What remains is pure, transparent, true-to-live sound.

REAL CAR AUDIO

Backed by People Who Live it

High-End Car Audio Cables

Every Harmonic Harmony cable begins with a single obsession: the belief that music in your car should move you exactly as it does in a live performance. Harmonic Harmony cables are the result of an unwavering commitment to detail, craftsmanship, and pure musical expression. Engineered for audio systems where every nuance matters, the range is built upon a foundation of ultra-pure OCC copper, multi-layered shielding, and precisely engineered geometries that preserve the full integrity of the source signal. Proven in international sound quality competitions and trusted by professional installers worldwide, the brand represents a disciplined pursuit of true-to-life sound.

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Expert Support Available

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