If the page of best surround sound amplifier is indicated with "Free Sample", then a free sample is available. Generally, free samples are offered for routine products of Guangzhou Gisen Audio Equipment Factory. But in the event the customer has particular conditions, such as product dimensions, material, logo or color, we'll charge costs.

Gisen Audio has rich experience in music amplifier's production and R&D. As one of Gisen Audio's multiple product series, professional power amplifier series enjoy a relatively high recognition in the market. Gisen Audio home cinema amplifier has undergone a thermal shock test and is verified that it performs well in the rapid change of temperature, which means the product can work well in hard temperature condition. The product undergoes a series of tests and proves to have high resistance to impact and friction. our team set up a strict, well-coordinated and effective quality-guarantee system, with a view to fixing the quality of dsp amplifier. High-current power stability is provided by the product.

In order to develop our company, we actively promotes a friendly cooperation with domestic and overseas partners. Please contact us!