How about professional speaker after-sales service?

We provide high-quality professional speaker together with a wide range of after-sales services, including installation service, return/replacement, maintenance service. For the installation support, in addition to the installation instruction manual, we also provide a demonstration video which you can watch on our website. And to ensure the long-term performance, besides the high quality of products itself, the proper maintenance is essential. If you do not know how to effectively maintain the products, contact us and we can offer professional guidance. And for any quality problem of products, we offer return/replacement service. Do not hesitate to contact us if you need support.

Guangzhou KAIXU Audio Equipment Co., Ltd is a renowned manufacturer and supplier of power amplifier. We have accumulated years of experience in production. digital amplifier produced by is very popular in the market. The product is waterproof by nature. It is therefore very resilient and can be used in all kinds of weather. The rate of deterioration is also extremely low. Featuring real-time load detection, it has stable sound performance. When dressing this product, people will not think that pilling is an annoying problem. It will stay smooth after numerous times of wear and wash.

We are committed to being an environmentally responsible partner, ensuring that we have safe, efficient and environmentally conscious operating and manufacturing processes.