Guangzhou Gisen Audio Equipment Factory puts much emphasis on the importance of customer service, so we have different service projects including pre-sale service, installation service and so on. You can ask for installation service from our after-sales team to guide you to install stereo amplifier through the phone. If necessary, we can send experienced engineers to help install on the spot.

Gisen Audio has been influencing music amplifier industry for years. The dsp amplifier series has become a hot product of Gisen Audio. Gisen Audio 4 channel dsp amplifier is the outcome of complicated electric knowledge. It is developed taking many things into consideration, including the design of circuit boards, components, circuits, and the whole product shape. OEM/ODM service is available for the product to meet demands for color and size. This product has a high precision. Computer-aided design (cad) technology illustrates the precise location of electrical components and the arrangement of product circuits. No matter there is a short circuit or long-time full-load working, it can quickly stop working for security.

We aim to be an active and responsible leader committed to the sustainable development of global markets and promoting responsible practices in our industry.