ITEM NAME:DC 5V-15V 12V AD828 stereo preamp power amplifier board preamplifier modu OZ 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-.1pcs x AD828 Stereo Preamplifier Board. If you are using radial lead resistors, then remove the original chip resistors from the circuit board and solder the leads into both sides of the pads provided on the circuit board.
