Multiple inspections before Qualified delivery. Good design is the basis of product quality, with best material, strict quality monitoring, meticulous production operation and detailed inspection. We are dedicated to provide amplifier with best quality and Sound effect. 1. Visual inspection of the PCBA appearance 2. Test on semi-finished product for all functions and parameter indicators 3. Manufactured Goods inspection 4. Ageing test 5. warehouse-in sampling inspection 6. overall inspection before shipment Choose Nobsound,don't buy other's fake!
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