Product description
Power input to increase the bridge, AC and DC can be used, the input DC is not divided into positive and negative, the use of more convenient.
Performance is more stable
Using NE5532 op amp chip, the use of round hole 8 pin IC socket, easy to upgrade the op amp chip.
Board size: Approx. 50mm * 33mm / 1.97x1.3inch
Operating voltage: DC 9V-24V; AC: 8V-16V
1 Piece of Pre-Amplifier Board + Signal Shielding Wire