PW Audio No.15 Copper 2-Wired 4-Core Upgraded Cable for IEM Earphone
Best copper upgrade for audiophiles seeking a warmer, more immersive sound.
Celebrate PW Audio's 15th anniversary with the No.15 Copper IEM Cable. This special edition cable features a 2-wired, 4-core design utilizing PW Audio's "Velocity Difference Technology." Crafted with high-purity copper conductors, it aims to deliver balanced performance across all frequencies, enhancing sound with smoothness, warmth, and a wider soundstage. The cable's natural fluidity and improved micro-dynamic aspects offer a deeper appreciation of musical details and emotions. It's an opportunity to own a piece of PW Audio's legacy, offering exceptional value and an unparalleled listening experience for audiophiles seeking refined sound.
$169.00
Owner Satisfaction
4.6
/ 5
Category Rank
1444
/ 5772
#1444 in Audio & Video Cables
Price vs Category Average
-69%
Below average
Conductor Material
Copper
/ Copper
Who it's for
- Listeners seeking a richer, more musical low-end performance
- Users prioritizing long-term reliability over flimsy stock cables
- Active listeners needing tangle-free movement and reduced cable noise
Who should skip it
- Budget-conscious buyers looking for entry-level audio accessories
- Analytical listeners who demand maximum treble clarity and airiness
- Users who prefer lightweight, unobtrusive cables for daily wear
Performance breakdown
Sonic Warmth
Copper conductors deliver a rich, inviting signature that softens digital harshness.
Soundstage Expansion
Velocity Difference Technology creates a noticeably wider and more immersive acoustic space.
Micro-dynamic Detail
Captures subtle musical nuances that standard stock cables often leave behind.
Build Integrity
Premium PVC and FEP insulation ensures long-term durability and signal protection.
Compatibility Versatility
Extensive connector and plug options accommodate almost any high-end IEM setup.
Ergonomic Fluidity
The four-core design remains flexible enough for comfortable daily listening sessions.
Key Specs
Conductor Material
Copper
Jacket Material
PVC & FEP
Number of Conductors
2 Wired 4 Core
Connector Options
0.78mm CM 2-Pin / MMCX / Pentaconn Ear / FitEar
Plug Options
4.4mm / 3.5mm / Type-C
Conductors
4-core
Gauge
28 AWG
Insulation
PVC + FEP (Purple)
Features
- 15th Anniversary Special Edition
- Proprietary Velocity Difference Technology
- High-purity Copper conductors
- Balanced sound across frequencies
- Enhanced warmth and smoothness
- Expanded soundstage for immersion
- Improved micro-dynamic detail retrieval
- Supports multiple connector and plug options
What customers say
The PW Audio No.15 Copper cable is highly regarded as an excellent mid-tier upgrade, delivering significant sonic improvements over stock options. Users consistently praise its ability to enhance low-end performance, adding notable bass depth, texture, and warmth, which greatly benefits neutral or bright In Ear Monitors. Reviewers also report improved soundstage width and better instrument separation, suggesting enhanced clarity across the spectrum. Build quality is robust and aesthetically pleasing, inspiring confidence in its durability. While some find the cable slightly stiff, the overall consensus is that the No.15 offers exceptional value. It provides a noticeable and enjoyable musical shift, making it a highly recommended investment for serious listeners seeking to unlock their IEMs' full potential.
Know before you buy
The No.15 is designed to introduce a sense of warmth and smoothness to your music. By utilizing high-purity copper and Velocity Difference Technology, it helps expand the soundstage and improves the retrieval of micro-dynamic details, making your listening experience more immersive.
This is a proprietary PW Audio design technique that manages signal transmission speeds across the conductors. It is specifically engineered to balance the frequency response, ensuring that the cable delivers a cohesive and fluid sound signature.
The No.15 offers extensive customization options to ensure compatibility. You can select from various connector types, including 0.78mm 2-Pin, MMCX, Pentaconn Ear, and FitEar, as well as plug terminations like 3.5mm, 4.4mm, or Type-C.
The 4-core construction provides a balance between durability and flexibility. It is designed to be supple enough for daily use without being overly stiff or prone to tangling, making it comfortable for long listening sessions.
The cable uses a combination of PVC and FEP insulation. This dual-layer approach provides excellent protection for the copper conductors while maintaining the cable's flexibility and signal integrity.
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