The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Guangzhou KAIXU Audio Equipment Co., Ltd. With no exception, digital amplifier is also inspected for quality control prior to shipment. This inspection is based on the product's Standard Acceptable Quality Limit specification or on customer request. Based on these criteria and procedures, samples are randomly selected and defects are checked. The Pre-Shipment Inspection helps both ourselves and customers to reduce the potential risk of delivery delay or/and fix or redo products. At last, the product will be photographed to ensure that the order is in perfect condition, complete, and properly packaged for shipment.

KAIXU is a specialist manufacturer and producer of professional stereo amplifier. Since the establishment, we hold a safe lead in this industry relying on competence. The transistor amplifier series is one of the main products of . The quality control of KSA digital audio amp is strictly conducted by QC team who utilize international standard test methods for quality testing of all extrusions and molded products. It produces a powerful and pure sound experience for users. This product is more energy efficient than incandescent bulbs and it requires substantially less amount of energy to produce the same amount of light. Its cooling fan protects it from over-heating.

We are always committed to ensuring the highest level of customer service and the fastest delivery. In addition, we provide delivery services for all orders in accordance with our shipping and delivery policies. Contact us!