Feature

●Material: This high-performance amplifier board is made of high-quality PCB material, which has reliability and miniaturization, good maintenance and interchangeability.
●WORKING VOLTAGE The working voltage of the power amplifier board is between 12V and 15V DC, a transformer power over 5W, which is stable and durable for long-term use.
●Convenient wiring: the quality of this power preamp board has passed the test, the volume is light and small, which is convenient for wiring and charging.
●EXCELLENT PERFORMANCE This audio preamp module is made of high performance inductors and high performance capacitors, which brings excellent working effect.
●Magnification: the magnification of this chip driver board is 4.7 times. You can change the 47K resistor near the op amp to change the magnification. 22K is 2.2x, 100K is 10x.

Description

Specification:
Item Type:Chip Driver Board
Material: PCB.
Operating voltage: DC 12V-15V.
Transformer power: More than 5W

Package list:
1 x chip driver board.

Note:
Pay attention to the correct operation.