Mạch khuếch đại âm thanh DC 5V-15V 12V AD828 chất lượng

DC 5V-15V 12V AD828 Stereo Preamp Power Amplifier Board Preamplifier Module Description: Small size design, SMT process, input and output coupling capacitor using imported non-polar brand capacitors, op amp using fever-level AD828 chip. Notice: the board without voltage regulation function, it is best to use a regulated power supply or battery-powered, otherwise there may be interference. Specifications: Working Voltage: DC 5V-15V Working Current: 0-100mA Board Size: 33x25mm/1.3x0.98" Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Includes: 1 x AD828 Stereo Preamplifier Board