Generally, for different series of products, the warranty period may vary. Referring to the more detailed warranty period about our high end amplifiers, please browse the product details which cover the information about the warranty period and service life, on our website. In short, a warranty is a promise to provide repair, maintenance, replacement or refund of a product for a certain time period. The warranty period begins on the date of the purchase of brand new, unused products by the first end-users. Please retain your sales receipt (or your warranty certificate) as proof of purchase, and the proof of purchase must state the date of purchase.

Guangzhou Gisen Audio Equipment Factory has been selected as one of the most popular homemade sound amplifier manufacturers. The power amplifier series is one of the main products of Gisen Audio. Many customers are greatly impressed by the aesthetic appearance design of Gisen Audio homemade sound amplifier. It is designed with short circuit and overheating protection to safeguard normal operation. What is important is that this quality product is designed and made to prevent the colors from fading during regular laundering. Each channel has independent limiter and compressor, ensuring no interference caused by other channels.

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