Where to get help if power amplifier gets problem during the use?
Generally, we offer power amplifier along with warranty service, within a limited period. Within the warranty period, if there is any quality problem due to poor workmanship or others caused by us, contact us. We offer return, replacement, as well as maintenance services. If the problems happen after the warranty expires or are caused by your improper use, you can also contact us. We will try our best to solve your problem, which is what our after-sales service is for.
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Guangzhou Gisen Audio Equipment Factory is currently one of the very best in the music amplifier industry. Gisen Audio's power amplifier series contains multiple sub-products. Gisen Audio homemade sound amplifier go through some basic manufacturing steps. They are the following steps: CAD structural design, drawing confirmation, raw materials selection, materials cutting & drilling, shaping, and painting. It is easy to carry and store due to its compact design. Consumers will know that as time goes by, it will become softer and more comfortable even if it is washed frequently. The clipping limiter is designed to strengthen the protection of the loudspeaker.
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The aim of being a national top 10 power amplifiers manufacturer has always been kept in Gisen Audio's mind. Inquire now!

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