For the detailed answer to this question, you'd better contact our staff. In general, stereo amplifier can enjoy an extended warranty service at Guangzhou Gisen Audio Equipment Factory. An extended warranty, sometimes called a service agreement, or a maintenance agreement is a prolonged warranty offered to customers in addition to the standard warranty on new items. It covers the cost of replacement or repair of the product, if it is caused due to a manufacturing defect or poor workmanship. However, it may not cover anything other than failure from normal usage, or the abuse, and malicious destruction. So, to make the product enjoy the extended warranty service, the prerequisite for customers is to take good care of the product and use it in accordance with the instructions given by the manufacturer.

Gisen Audio is one of the most influential music amplifier supplier in the field. The music amplifier series has become a hot product of Gisen Audio. Gisen Audio high quality power amplifier is manufactured under these major processes. They are PCB fabricating, die casting, CNC machining, contouring, electromagnetic processing, and electrostatic spraying. The state-of-art engineering reduces signal interference effectively. This product is not prone to voltage problem. It is has been carefully designed to accommodate voltages in different countries. It can function for a long period of time with sufficient power.

We insist on sustainability. To promote safe, secure and sustainable living and working environments, we always apply science-based safety manufacturing.