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Feature:

1. 2.2 TIME AMPLIFICATION: The amplification is 2.2 times, you can change the 22K resistor near the op amp to change the magnification.
2. REASONABLE LAYOUT: The amplifier board circuit has been debugged, the PCB board layout is reasonable, and there is little interference.
3. 2 CHANNEL: Single power dual channel design, working voltage is DC 12V‑30V, with strong practicability
4. THICK PCB PANEL: 1.6mm thick PCB double panel, large heat dissipation area, with stable operation and long service life.
5. FOR AUDIO EQUIPMENT: The transformer power is more than 5W, which is widely used in audio equipment such as car speakers.

Specification:

Item Type: Audio Preamplifier Board
Material: PCB
Model: NE5532
Channel: 2 Channels
Working Voltage: DC12V to DC30V, recommended voltage DC12V
Transformer Power: More than 5W
Description: The magnification is 2.2 times. You can change the 22K resistor near the op amp to change the magnification. 22K is 2.2 times, and 100K is 10 times.

Package List:

1 x Audio Preamplifier Board

Note:

Please use within the specified voltage range.

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2. duties,taxes,and charges are not included in the item price or shipping fee.
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