Excellent Performance Cable for Musicians and Professionals

COSMICONN is a wholly owned brand of Seetronic, focusing on the research, development, production, and sales of high-end cable products aligned with Seetronic’s brand positioning.

In recent years, Seetronic connectors have become increasingly popular with customers both at home and abroad. Through ongoing communication with customers, we have learned that they often have trouble finding excellent cables. Therefore, with the strong support and encouragement of many loyal customers, COSMICONN was established to provide a variety of cable products and services to meet their needs.
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Cable Product Information

What is a stranded cable?
A stranded cable, specifically a twisted pair type, is designed to minimize interference noise. Its unique "star strand" configuration is particularly effective at reducing magnetic interference.
These cables are frequently chosen for professional audio setups because of their ability to minimize interference. They can be used to connect musical instruments, speaker systems, microphones, and other audio devices.
When terminating XLR connectors, stranded star cables can be used to balance microphone connections including condenser microphones that require phantom power. Stranded cables are widely used for this.
Formula for calculating the area of an audio cable:
For example, take the diameter (d) of a single copper wire of 100 (core) audio cables as 0.1mm. Cross-sectional area formula of a single core: S1=πxR2=πx(d/2)2=3.14x(0.1/2)2
Audio Line Area Formula: S2=S1x100(quantity of audio cable) and 0.1mm copper wire diameter.
Area:
S=3.14x(0.1/2)2x100≈0.8mm2

Cable Inside and Out: Raw Material Selection

Conductor Material:
  • High-purity (4N)
  • Low-resistivity (0.017-0.0469 Ω·mm²/m)
  • Oxygen-free copper (>80% imported)
  • Bright & soft feel
Insulation Material:
  • Special PVC (heat/pressure/retraction resistant)
  • PE (low dielectric constant/capacitance/loss)
Filling Material:
  • Cotton yarn, Asbestos thread, or PP rope for tight structure, tensile strength, and noise reduction
Fixing Material:
  • Non-woven fabric/paper for stability, flexibility, strength
  • Aluminum foil for structure and anti-interference shielding
Sheath Material:
  • Imported PVC elastomer (wear-resistant, elastic, smooth)
  • Imported TPU (hydrolysis/chemical/scratch resistant)

Successful Applications

application
2023 Hangzhou Asian Games
The 19th Asian Games in Hangzhou marks the third time China has hosted Asia's premier international multi-sport event. SEETRONIC provided reliable support for the Asian Games, utilizing its excellent technical strength and professional services to contribute to a beautiful showcase of national style.
2022 Beijig Wnter Olympics
The total display area at the 2022 Beijing Winter Olympics was 11,626 square meters, with the ground screen alone reaching a resolution of 14,880 x 7,248. Featuring an overall resolution exceeding 16K, the Winter Olympics utilized more than 140,000 sets of SEETRONIC signal connectors and power connectors.
2022 Qatar World Cup
The wonderful event of the Qatar World Cup generated excitement among fans around the world. An investment of 220 billion US dollars was made in World Cup-related infrastructure to enhance the national image, and SEETRONIC provided high-performance products for the LED screens at this spectacular global sports event.
2021 “The Great Journey” Performance
In 2021, China celebrated the 100th anniversary of the founding of the Communist Party with a grand theatrical performance titled “The Great Journey.” The event featured a massive screen and large-scale production elements. SEETRONIC, together with its partners, delivered a wide array of high-quality products and services that ensured the success of the event.
Expo 2020 Dubai
As a world-class exhibition, Expo 2020 Dubai provided SEETRONIC with a valuable opportunity to showcase its strength and gain global recognition. The spectacular light show at the Expo would not have been possible without the use of SEETRONIC products.

Production Process

Certificatons

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