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Sound  Module, DC 12V-30V Preamplifier Board Stable Operation 2.2 Times 1.6mm Thick PCB  For Audio Equipment

<ul><li>2.2 TIME AMPLIFICATION: The amplification is 2.2 times, you can change the 22K resistor near the op amp to change the magnification.</li><li>REASONABLE LAYOUT: The board circuit has been debugged, the PCB board layout is reasonable, and there is little interference.</li><li>2 CHANNEL: Single power dual channel design, working voltage is DC 12V-30V, with strong practicability</li><li>THICK PCB PANEL: 1.6mm thick PCB double panel, large heat dissipation area, with stable operation and long service life.</li></ul>

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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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