Audio amplifier has been granted with a number of qualifications and internationally authoritative certifications. As the certifications being required vary by the country of origin and the intended sales markets, please consult our Customer Service for the specific certifications. Product testing and certification do not in themselves produce high-quality products, but they ensure a quality assurance process for the design and manufacture of the product. And these products have been tested typically have testing marks. In Guangzhou Gisen Audio Equipment Factory, quality standards go beyond testing procedures and look at the quality of product design and manufacturing practices.

Gisen Audio has won wide recognition from domestic and overseas customers. Gisen Audio's toroidal transformer amplifier series are created based on unremitting efforts. This product has the consistency of product performance during a certain period. The product is characterized by excellent ultralow frequency protection. This product is very soft, smooth and luxurious, even for the most sensitive skin. The product is characterized by excellent ultralow frequency protection. So if people like this feeling, they will like it. The product is characterized by excellent ultralow frequency protection.

To win the favor of customers, Gisen Audio tries the best to serve the professional professional power amplifier and considerate service. Ask online!