We have obtained all the licenses and certificates required for the high end amplifiers, including certificate of origin. It facilitates the transition of goods, settlement payment, and complains & compensations. With these certificates in hand, we ensure our tapping into global markets is conducted smoothly. We will make a specific and detailed description of the product material, specifications, and application range to help to handle relevant procedures. To learn more about our certificate of origin, please contact us through phone or email.

Guangzhou Gisen Audio Equipment Factory is a team who seeks truth from facts in home theatre power amplifier industry. The toroidal transformer amplifier series is one of the main products of Gisen Audio. We uses the latest advanced technology in manufacturing Gisen Audio 1u digital power amplifier. The product is characterized by excellent ultralow frequency protection. Excellent color retention is one of its advantages. It is finely dyed to the specified saturation and does not require re-staining. The vivid instruction craved on the surface of the product help users to adjust the volume effectively.

We stick to sustainable development. We guide our business partners to improve the social, ethical and environmental consequences of their products, services and supply chains.