FiiO LL-RC 2025, Upgrade Cable: Cryogenic Liquid Nitrogen Treated Furukawa Monocrystalline Copper Interchangeable Plugs

FiiO LL-RC 2025


Key Features:

Premium Cryogenic-Treated Conductors
- Authentic 6N purity Japanese Furukawa monocrystalline copper for genuine quality and pleasant sound
- -192°C liquid nitrogen cryogenic treatment eliminates internal metal stress, enhancing conductivity and material strength
- 21AWG thick cross-section with 176 wires in a 4-strand, coaxial braided structure for low distortion and reduced transmission loss

Advanced Manufacturing Technologies
- Crystalline one-way welding follows grain direction for unimpeded signal flow and consistent sound
- High-quality silver-containing lead-free solder minimizes signal loss for a more transparent and fuller sound
- PFA insulation layer (dielectric constant of 2.1) maintains high resolution while adding damping for a balanced, enjoyable sound

Dual Interchangeable Plug System
- Swappable plug design includes both 3.5mm single-ended and 4.4mm balanced connectors as standard
- Easy switching between plugs for compatibility with a wide range of devices
- Aluminum alloy and carbon fiber construction on plugs and middle section for durability and premium feel

Optimized for Portability and Performance
- 1.5-meter length designed specifically to address portability needs, unlike standard 3-meter cables
- Designed to deliver a fundamental sound quality improvement, balancing high resolution with an enjoyable listening experience

Technical Specifications:
- Conductor Material: 6N Monocrystalline Copper + High-Purity Furukawa Copper
- Wire Configuration: 4 strands, 176 wires total, 21AWG total diameter
- Length: 1.5 meters
- Headphone Connector: Dual 3.5mm TS plugs
- Audio Plugs: Interchangeable 3.5mm single-ended and 4.4mm balanced plugs included
- Weight: Approximately 184g (including packaging)

Package Includes:
- FiiO LL-RC 2025 Cable
- 3.5mm Single-Ended Plug
- 4.4mm Balanced Plug
- Documentation