If you would like to extend the warranty period of high end amplifiers, please consult our Customer Service Department for details. The extended warranty period is the warranty coverage that is initiated after the typical warranty period has expired. It is important to note that you can choose to purchase this warranty before the manufacturer's warranty expires.

Guangzhou Gisen Audio Equipment Factory has set up the first brand image of Chinese home theatre power amplifier industry. The home theatre power amplifier series is one of the main products of Gisen Audio. With the latest technology, Gisen Audio music amplifier can be done quickly in a high degree of precision. Its cooling system made up of temperature-controlled fan can rapidly respond to dynamic environment change. The success of Gisen Audio hinges on our outstanding team of music amplifier designers and manufacturing engineers. The product involves the users in pure analog sound.

Respect for people is one of the values of our company. And we do thrive on teamwork, collaboration, and diversity with customers.