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ddHiFi

ddHiFi Eryx 4.4mm Balanced HiFi Earphone Upgrade Cable

ddHiFi Eryx 4.4mm Balanced HiFi Earphone Upgrade Cable

Regular price $499.99 USD
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ddHiFi Eryx — 4.4mm Balanced Hi-Fi Earphone Upgrade Cable

"Pure Signal. True Music."

The ddHiFi Eryx is a flagship earphone upgrade cable engineered to eliminate interference and restore the true nature of music. Built around a quad-conductor hybrid design combining German OFC, OCC, pure silver, and gold-plated OCC, the Eryx delivers outstanding mid-bass mellowness and crisp treble clarity. Housed in exclusive red sandalwood and titanium alloy components with the versatile Nyx Pin interchangeable connector system, it is available in two plug versions — Rhodium-Plated (RhP) and Pentaconn OFC Gold-Plated — each with a distinct sonic character.

Quad-Conductor Hybrid German OFC + OCC Pure Silver + Gold-Plated OCC Red Sandalwood & Titanium Nyx Pin Interchangeable 4.4mm Balanced RhP & OFC Versions Pentaconn OFC Plug 25AWG ×4 28g Lightweight

Key Features

  • Quad-Conductor Hybrid Design — Four premium conductors work in harmony: German OFC + OCC deliver outstanding sound weight and fullness, while pure silver + gold-plated OCC enhance signal transmission speed and clarity. The result is exceptional prominence in both instrumental expression and vocal reproduction.
  • Red Sandalwood & Titanium Alloy Construction — High-density rosewood paired with titanium alloy components are widely recognized in high-fidelity audio systems. The inherent damping properties of red sandalwood absorb micro-vibrations generated during signal transmission, stabilizing delivery and minimizing subtle distortion and phase shift for a purer, more accurate sound output.
  • Precision Signal Restoration — Unlike straightforward signal transmission of traditional conductors, the Eryx accurately eliminates interference from secondary details, restoring the true nature of music — making mid-bass sound mellower and treble performance crisper.
  • Nyx Pin Interchangeable Connector System — The Eryx integrates ddHiFi’s standard Nyx Pin system, compatible with 0.78mm 2-pin (long & flat) and MMCX connectors, making it compatible with a wide range of IEMs without needing a separate cable.
  • RhP Version — Features a rhodium-plated copper 4.4mm plug for a more resolving, detailed, and neutral sonic signature with excellent transient response.
  • OFC Version (Pentaconn) — Features a gold-plated OFC plug supplied by Pentaconn (model: NBP1-04-004), delivering a more gorgeous, refined, and lush sonic signature that further enhances the high-fidelity listening experience.

Technical Specifications

Brand ddHiFi
Model Eryx
Plug (RhP Version) 4.4mm Rhodium-Plated Copper
Plug (OFC Version) 4.4mm Gold-Plated OFC (Pentaconn NBP1-04-004)
Conductors Hybrid-stranded: German OFC, OCC, Gold-Plated OCC & High Purity Silver
Conductor AWG 25.0 × 4
Insulation American PVC with black braided mesh double insulation
Connector System Nyx Pin interchangeable (0.78mm 2-pin ×2, MMCX ×1)
Components Red sandalwood paired with titanium alloy
Length 120cm
Weight 28g
Origin Mainland China

In the Box

  • ddHiFi Eryx Cable ×1
  • Nyx Pin Connectors (0.78mm 2-pin long, 0.78mm 2-pin flat, MMCX) ×1 set

Note: The RhP Version and OFC Version have distinct sonic signatures. The RhP version offers a more neutral and resolving sound, while the OFC (Pentaconn) version delivers a warmer, lusher presentation. Choose based on your preferred sound signature and IEM pairing.

RhP Version 👇

OFC Version (Pentaconn) 👇

Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

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3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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