Kopul Manuals & User Guides

Kopul is a dedicated manufacturer of professional-grade audio and video connectivity products designed for studio, broadcast, and live sound environments. A brand under the Gradus Group, Kopul focuses on delivering reliable signal transmission through a wide range of products such as XLR and HDMI cables, direct boxes, headphone amplifiers, and signal path accessories.

Built to withstand the rigors of professional use, Kopul products are engineered for clarity, durability, and noise-free performance. Whether connecting instruments to a mixing console or ensuring high-definition video transmission, Kopul provides cost-effective yet rugged solutions for audio engineers, musicians, and content creators.

• How do I obtain warranty service for my Kopul product?

  To obtain warranty coverage, contact the Kopul Customer Service Department to obtain a Return Merchandise Authorization (RMA) number. You will need to return the defective product along with the RMA number and proof of purchase.

• What is the contact number for Kopul support?

  You can contact Kopul customer support at 212-594-2120 or 212-594-2353 during business hours.

• Does Kopul offer passive direct boxes?

  Yes, Kopul manufactures passive direct boxes like the PAX-USB and LT-PDI2, designed to convert digital or line-level signals to balanced analog signals for PA systems and consoles.