Guangzhou Gisen Audio Equipment Factory wants you to be delighted with your purchase. If, during the warranty period, your product needs service, please give us a call.  Your satisfaction with the order is our primary concern.  If you have any questions about your warranty coverage, or you think you need service, call our Customer Service. We're here to help you get the most from your home amplifier .

With great capacity of professional power amplifier, Gisen Audio can ensure a stable supply in global market. Gisen Audio's professional power amplifier series contains multiple sub-products. The product has a low self-discharge rate. It is not easily affected by the inner or outer temperature, and its chemical components keep stably under low or high temperature. The built-in loudspeaker protection circuit protects high volume bursts of audio.  Gisen Audio has strong technical strength, advanced equipment and perfect quality assurance system. It is designed with short circuit and overheating protection to safeguard normal operation.

For higher customer satisfaction, our company will pay additional attention to the evolution of customers service. Inquire online!