... to wholesale cheap, high quality and low price oem amplifier pcb from our factory.Place of Origin: Zhejiang, China ... Name: ctpcb Model Number: 1 layer amplifier ctpcb Number of Layers: 1layerBase Material: amplifier ospCopper Thickness: 1OZBoard Thickness: 1.5mmMin ... ,SGS,UL,IPC,RoHSTesting Service: AOIUsage: electronic amplifier PCB Assembly process: ICT PCB AssemblyApplication: Industrial Control