The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Guangzhou Gisen Audio Equipment Factory. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of home theatre power amplifier before they are shipped.

Gisen Audio has high technology and professional techniques. Gisen Audio's home theatre power amplifier series are created based on unremitting efforts. Gisen Audio homemade sound amplifier has a variety of designs to meet with different customer needs. It is easy to carry and store due to its compact design. we has always been adhering to the one-stop service with pragmatic and mutually beneficial. It is easy to carry and store due to its compact design.

We value sustainable development. We seek to reduce our negative impact on the world, with a firm focus on saving energy, sustainable sourcing and reducing the amount of production waste.