• Please contact A&C Pro Audio customer service and obtain an RMA repair number before sending the product for repair.
• Write the RMA number on the package when sending the product to us.
• For faster response and priority order repair, please inform us the valid waybill number.

Gangcheng Street No.99, Qianhai Yidu Mansion Block 8, Unit 301 Qianhai Shenzhen Hong Kong Cooperation Zone Guangdong, Shenzhen 518066, CHINA Attention: After-sales service, +86-18033053893 (freight pre paid)