If you want to extend the warranty for sound amplifier, please consult our Customer Service for detailed information. An extended warranty is repair coverage that kicks in after the typical warranty has expired. It is important to note that you have the option to purchase this warranty any time before the manufacturer warranty expires. If you have any problems with the agreement we made about the warranty, you may resort to the Customer Service to find out the exact warranty of our product.

Under strict quality control and professional management for dsp amplifier, Guangzhou Gisen Audio Equipment Factory has grown to be internationally famous. The toroidal transformer amplifier series has become a hot product of Gisen Audio. Gisen Audio [high quality power amplifier contains a heat sink which is made of aluminum. Compared to the PC heat sink, aluminum has better performance in heat dispersion. Besides, aluminum features strong electrical conductivity. The product is sure to give entertainment a serious boost. In order to meet the requirements of clients, Gisen Audio has been satisfying them with high quality professional power amplifier. The vivid instruction craved on the surface of the product help users to adjust the volume effectively.

our team is a home theatre power amplifier enterprise which specializes in designing and developing new fashion of home cinema amplifier. Please contact us!