Yes, it has. Guangzhou Gisen Audio Equipment Factory wants you to be delighted with your purchase so we establish a set of warranty rules for our products. If, during the warranty period, your product needs service, please give us a call. We will arrange refund, maintenance, and other services specified in the contract signed by the parties. 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 theatre power amplifier.

Gisen Audio has always focused on producing first-class toroidal transformer amplifier. Gisen Audio's top 10 power amplifiers series are created based on unremitting efforts. Only the materials that do no harm to health is used to manufacture Gisen Audio home cinema amplifier. The product is characterized by excellent ultralow frequency protection. In the industry, the domestic market share of our company has always topped the list. OEM/ODM service is available for the product to meet demands for color and size.

We bear social responsibility in our daily operation. We will keep continually review our manufacturing approach in light of the evolving sustainability landscape.