Cooyin - CYB423 4.4MM to 2.5MM / 3.5MM Conversion Adapter for IEM


Female 2.5mm/3.5mm/3.5mm Pro to 4.4mm Male Balance Conversion Adapter | 6N monocrystalline copper + 4N silver-plated copper conductor | Gold Plated Plug

₹ 2,490.00 ₹ 3,000.00 Save ₹ 510

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Same day dispatch, if ordered before 2:00 PM. Info Order Placed before 2:00 PM will be shipped within 24 hrs. (Except Sunday and Holidays)

Cash on Delivery Available Info Cash on delivery applicable for order under ₹ 15000

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10 Days Replacement Policy for Manufacturing defects. Info All products are covered by 10 Day Replacement Guarantee. This product is eligible for a free replacement, in case you receive a damaged, defective or different item. Please keep the product in its original condition with all accessories & packaging for a successful return. We may contact you to assess the damage or defect before issuing a replacement. Accessories like cables and eartips are not backed up the manufacturer's warranty.

Please note that physical damage cases need to be brought to our notice within 24 hours.

Simply Contact us through the chat window if you find any issues with your order.


1 Year Manufacturer's Warranty


COOYIN CONVERSION ADAPTER: Converts Female 3.5mm/3.5mm Pro/2.5mm to 4.4mm Male balanced output.

MADE WITH: These connectors are made with special technology and do not short-circuit when connecting balance and imbalance.

FEATURES OF SOUND RANGE: 6N monocrystalline copper + 4N silver-plated copper conductor, better balance of the transmission speed, low range, medium-range, and high range of 3 sounds, making it more realistic to reproduce the features of each sound range

RESULTS: The co-impact of the aluminum alloy and plastic seal layer's outer layer has resulted in the following effects -1. Reduces loss. 2. Prevents the effects of external electromagnetic waves. 3. Improve transmission speed 4. Effects such as not touch noise.


  • Brand Name: Cooyin
  • Product Name: Cooyin Female 2.5mm /3.5mm/3.5mm Pro to 4.4mm Male Balance Conversion Adapter
  • Size: 1.3 x 0.7 inches (32 x 18 mm)
  • Plug Length: 22mm
  • Weight: 6.4g
  • Model Number: CYB423
  • Utility Model Registration Number: 3217250
  • Conductive Impedance: ≤0.4Ω
  • Plug Material: Gold Plated
  • Warranty Period: NA



Don't worry, Cooyin - CYB423 4.4MM to 2.5MM / 3.5MM Conversion Adapter for IEM comes with a 1 Year warranty against manufacturing defects. We guarantee that every product on Concept Kart is genuine and backed by the Manufacturer's warranty.

Read more about Concept Kart's warranty policy.

Shipping Policy


We usually ship orders on same day if ordered before 2 pm or within 24 hours if ordered later (except on holidays/sunday, where processing times may be higher) from one of our domestic warehouses based out of Delhi. It normally takes around 1 to 5 business days for delivery. We use premium service partners such as Blue dart, DTDC and Delivery for faster and reliable service. A tracking number will be provided upon shipment.

In very rare cases when order is not received after 10 business days of shipment (extended by number of days when the govt. Restricts movement of goods due to factors such as coronavirus pandemic), please contact us and we will provide you a support.

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Customer Reviews

Based on 2 reviews
Yesukumar Vegi (Hyderabad, IN)
Quality product

Excellent quality product super quality product but drawback is price is too high.

Y.V. (Hyderabad, IN)
Quality product

Good quality product excellent quality made.But price is very high.Except price all of good product.Thanks for Conceptkart for this product.