Generally, most of the manufacturers including Guangzhou Gisen Audio Equipment Factory would love to refund the best surround sound amplifier sample charge to purchasers if the order is placed. Once customers receive the product sample, and decide to cooperate with us, we can deduct the sample fee from the total cost. Moreover, the larger the order quantity is, the lower the price per unit will be. We promise that customers can get a very preferential price and quality assurance from us.

Dedicated to dsp amplifier industry, Gisen Audio has rich manufacturing experience. As one of Gisen Audio's multiple product series, power amplifier series enjoy a relatively high recognition in the market. We put quality first to ensure reliable product quality. OEM/ODM service is available for the product to meet demands for color and size. The production of dsp amplifier is adjusted to the needs of customers to offer the quality assurance. The anti-dust design of the product prevents it from attracting small articles.

In order to develop our company, Gisen Audio actively promotes a friendly cooperation with domestic and overseas partners. Inquire now!