Skip to product information
1 of 6

TRN

TRN Heiman Headphone Upgrade Cable 2.5MM/3.5MM/4.4MM

TRN Heiman Headphone Upgrade Cable 2.5MM/3.5MM/4.4MM

Regular price $149.00 USD
Regular price $149.00 USD Sale price $149.00 USD
Save 0% Sold out
Shipping calculated at checkout.
Color

Shipping to 

Estimated delivery on 

Canada, Mexico, Romania, United States: import duty of 10 USD

TRN Heiman Headphone Upgrade Cable

Key Features

  • High-Purity Hybrid Construction: A combination of single crystal copper silver-plated and pure silver conductors with a 2-strand, 364-core coaxial hybrid design for optimal signal transmission.
  • Versatile Connectivity: Choose from 3.5mm, 2.5mm, or 4.4mm plugs and either 0.75mm or 0.78mm connectors to fit a wide range of audio devices.
  • Multi-layer Shielding: The advanced shielding design minimizes electromagnetic and radio frequency interference, ensuring reliable and stable signal transmission.
  • Durable & Long-Lasting: Built to withstand environmental factors and physical damage, the TRN Heiman cable is designed for extended use, protecting both the cable and your audio gear.
  • Improved Sound Quality: Reduced noise, vibration, and electrical resistance provide a clearer, high-fidelity sound across a wide frequency range, enhancing both low and high-frequency performance.
  • Spacious Storage Case: Comes with the MAG+ storage case, offering ample space to store your cable and earphones safely.

Description

The TRN Heiman Headphone Upgrade Cable offers premium sound quality through its hybrid construction of silver-plated single crystal copper and pure silver coaxial cables. With its 2-strand, 364-core design, this cable delivers exceptional performance, reducing electrical resistance and enhancing signal transmission efficiency for a clearer, more detailed audio experience.

Available with 3.5mm, 2.5mm, or 4.4mm plugs and swappable 0.75mm or 0.78mm connectors, the Heiman cable is compatible with a wide range of earphones and devices. The multi-layer shielding protects against electromagnetic interference, ensuring uninterrupted audio enjoyment. Included is the MAG+ storage case to keep your cable and earphones safe and clean.

Specifications

  • Cable Construction: 2-strand, 364-core coaxial hybrid
  • Materials: Single crystal copper silver-plated + pure silver
  • Connectors: 0.75mm / 0.78mm
  • Plug Types: 3.5mm, 2.5mm, 4.4mm
  • Cable Length: 1.2 meters + 3cm
  • Weight: 42.2g
  • Color: Black
  • Fit: Over-ear with soft ear loops

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)

Tracking examples:

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


Track Your Order

Main tracking portal: https://t.17track.net/


Contact Us

📧 Email: support@thehificat.com
📞 Tel: +8619270016096

View full details