2 pcs SG3525 LM358 Mixer Preamp Drive Board Inverter Drive Board high Frequency Machine Voltage Conversion Module high Current Totem Frequency Adjustable (12V24V)

Product description
Frequency adjustable
Overcurrent short circuit shutdown self-locking
Can regulate the output voltage
Output current up to 1A, can drive 20 3205 effect tubes
Pin Function:
1. Positive power supply
2. Signal output
3. Negative power supply
4. Signal output
5. Optocoupler input positive
6. Optocoupler output negative
7. Signal off short legs
Package Includes:
2 x SG3525 LM358 Inverter Driver Board