It depends on whether you have specific requirements on class d power amplifier sample. Usually, a common product sample will be shipped as soon as the sample order has been placed. Once the sample is shipped out, we'll send you an email notification of your order status. If you experience delays in receiving your sample order, contact us immediately and we will help to confirm the status of your sample.

With a unique vision, Guangzhou Gisen Audio Equipment Factory is a leader in providing high quality dsp amplifier and services. power amplifier is the main product of Gisen Audio. It is diverse in variety. Gisen Audio home cinema amplifier goes through a complete design cycle. It includes drawing up specifications, conception&architecture of the mechanism, design and simulation of behavior with static, dynamic, thermal, etc. OEM/ODM service is available for the product to meet demands for color and size. The product is zero-defect as we implement strict inspection on each stage of produciton process. The product is characterized by excellent ultralow frequency protection.

Gisen Audio will adhere into the firm belief of being a global professional power amplifier exporter.