2 Channel Audio Preamplifier Board Single Power Car Speaker Preamp Amplification Module

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