For the regular toroidal transformer amplifier product, the sample is free, but you need to bear the courier fee. Therefore, a quick account such as DHL or FEDEX is required. We beg you to understand that we send a lot of samples every day. If all shipping costs are borne by us, the cost will be very high. In order to express our sincerity, as long as the sample is successfully confirmed, the shipping cost of the sample will be offset when the order is placed, which is equivalent to free shipping and free shipping.

Guangzhou Gisen Audio Equipment Factory is the leading manufacturer of dsp amplifier with high quality and high performance. top 10 power amplifiers is the main product of Gisen Audio. It is diverse in variety. The product is tested by a competent team and is guaranteed. OEM/ODM service is available for the product to meet demands for color and size. One of the healthcare practitioners said that this product is durable and reliable. It helps me finish my work in a better way. It can support multiple devices via the interface.

Gisen Audio aims to satisfy customers with high quality products and excellent service. Ask online!