IEM Upgrade Cables
IEM upgrade cables replace the detachable cable on in-ear monitors, with MMCX or 0.78 mm 2-Pin connectors and 4- or 8-strand OFC braids.
Headphone Upgrade Cables
Headphone upgrade cables replace the stock cable on detachable IEMs and full-size headphones, with MMCX, 0.78 mm 2-Pin, or dual 3.5 mm connectors.
Categories
Full-Size Headphone Cables
Full-size headphone cables connect headphones with dual 3.5 mm earcup sockets to a player or amp via a 3.5 mm, 4.4 mm, or 4-pin XLR plug.
Modular Interchangeable-Plug Cables
Modular headphone cables are 8-strand IEM cables with swappable 2.5 mm, 3.5 mm, and 4.4 mm plug modules for single-ended and balanced players.
Modular Headphone Upgrade Cable — Interchangeable 2.5 / 3.5 / 4.4 mm Plugs
HA-HPC-02
Swappable 2.5 / 3.5 / 4.4 mm plugs
4-Strand IEM Replacement Cable — MMCX / 0.78 mm 2-Pin
HA-HPC-03
4-strand braid · MMCX or 0.78 mm 2-Pin
Full-Size Headphone Cable, Dual 3.5 mm — 3.5 / 4.4 mm / 4-Pin XLR
HA-HPC-04
Dual 3.5 mm earcup plugs · 3.5 / 4.4 mm / 4-pin XLR
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Spec sheet (PDF)
About Headphone Upgrade Cables
Headphone upgrade cables replace the stock cable on detachable IEMs and full-size headphones, and they are an accessory line that earphone brands and Hi-Fi retailers can sell under their own name. This category covers 4- and 8-strand braided IEM cables with MMCX or 0.78 mm 2-Pin connectors, modular cables with swappable 2.5 mm, 3.5 mm, and 4.4 mm plug modules, and full-size headphone cables with dual 3.5 mm earcup plugs. Typical builds use oxygen-free copper (OFC), about 24–26 AWG per strand, with PVC insulation and gold-plated contacts.
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Customization covers insulation colors, conductor options such as silver-plated copper, plug and connector types, housing finish, length, a logo, and pouches, cases, or header cards with your barcodes. Samples of stock designs are available; MOQ is low.
Key facts
- What's in this range: 8- and 4-strand IEM cables, a modular cable with swappable plugs, and a full-size headphone cable with dual 3.5 mm earcup plugs
- Connectors: MMCX or flush 0.78 mm 2-Pin (IEM), dual 3.5 mm mono (full-size); 2.5 mm, 3.5 mm, 4.4 mm, or 4-pin XLR source plugs by model
- Build: 4- or 8-strand OFC braid, 24–26 AWG per strand, PVC insulation, aluminum-alloy plugs and splitter, chin slider, gold-plated contacts
- Standard lengths: IEM cables 1.2 m (3.9 ft); full-size cable 1.5 m (4.9 ft), 2 m (6.6 ft), or 3 m (9.8 ft)
- Customization: Insulation colors, silver-plated copper on request, plug and connector types, housing finish, length, logo, and pouch or header-card packaging
- Made by: Partner factories in Guangdong, China, building to specifications and contracts from Haisen Innovations Limited (Hong Kong)
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How the models compare
Compare all 4 models
| Model | Connectors | Conductor | Standard lengths | Packaging |
|---|---|---|---|---|
| IEM Upgrade Cables | ||||
| 8-Strand Braided IEM Cable — MMCX / 0.78 mm 2-PinHA-HPC-01 | MMCX, 0.78 mm 2-Pin to 3.5 mm TRS, 4.4 mm TRRRS, 2.5 mm TRRSGold-plated contacts | 8 × 26 AWG | 1.2 m | Pouch |
| 4-Strand IEM Replacement Cable — MMCX / 0.78 mm 2-PinHA-HPC-03 | MMCX, 0.78 mm 2-Pin to 3.5 mm TRS, 4.4 mm TRRRSGold-plated contacts | 4 × 26 AWG | 1.2 m | Polybag with header card |
| Full-Size Headphone Cables | ||||
| Full-Size Headphone Cable, Dual 3.5 mm — 3.5 / 4.4 mm / 4-Pin XLRHA-HPC-04 | Dual 3.5 mm mono to 3.5 mm TRS, 4.4 mm TRRRS, 4-pin XLRGold-plated contacts | 4 × 24 AWG | 1.5 m, 2 m, 3 m | Pouch |
| Modular Interchangeable-Plug Cables | ||||
| Modular Headphone Upgrade Cable — Interchangeable 2.5 / 3.5 / 4.4 mm PlugsHA-HPC-02 | MMCX, 0.78 mm 2-Pin to 2.5 mm TRRS / 3.5 mm TRS / 4.4 mm TRRRSGold-plated contacts | 8 × 26 AWG | 1.2 m | Pouch |
Guides
- IEM & Headphone
MMCX vs 0.78 mm 2-Pin: IEM Connector Guide for Cable Makers
MMCX and 0.78 mm 2-Pin are the two widely used detachable connectors on in-ear monitors (IEMs). MMCX is a small snap-on coaxial connector that lets the cable rotate.
- Guides for Brands
OEM vs ODM vs Private Label Audio Cables: What Each Means
In audio cable sourcing, OEM means the cable is built to your specification or drawing, ODM means you adapt a supplier's existing design, and private label means an existing product is sold under…
- Guides for Brands
How to Source Custom Audio Cables from China: A Step-by-Step Guide for Brands
Sourcing custom audio cables from China means defining your cable in a written spec, choosing a supplier type, comparing quotes on equal terms, approving a golden sample, agreeing trade and payment…
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