Mini Stereo Preamplifier Small Headphone Amplifier NE5532 Phono Preamp Volume Control Low Power Consumption with 3.5mm Input Output

LOW POWER CONSUMPTION: The DC power supply should try to use a excellent low power supply. When the input amplitude is less than 1v, 12v power supply is sufficient. When the input is greater than 1v, please increase the power supply voltage, the maximum power supply voltage is 24v