Note: The On-Board Resistor R5 Is Adjusted By The Magnification. If The Magnification Is Not Suitable, The Resistance Of R5 Can Be Adjusted. It Can Be Selected From 5K To 150K. The Larger The Resistance, The Higher The Magnification. If The Plug-In Resistor Is Used, The Original Chip Resistor Can Be Removed, And The Plug-In Resistor Is Soldered To The Reserved Pad On Both Ends Of The Original Chip Resistor. We Highly Appreciate All Customers Opinions To Improve The Selling, Also If Anything You Unsatisfied, Please Contact Us For Probable Best Solution. Package Includes: 3Pcs
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What are the dimensions of the Acxico microphone preamplifier board?A: The dimensions are two point five by one point six centimeters. This compact size makes it suitable for various applications.
Q: What voltage range does the microphone preamp module operate on?A: It operates on a voltage range of three point eight to fifteen volts. This flexibility allows it to work with different power supplies.
Q: How many pieces are included in the package?A: The package includes three pieces of the microphone preamplifier module. This provides enough units for multiple projects or setups.
Q: How do I adjust the magnification on the preamplifier board?A: You can adjust the magnification by changing the on-board resistor R5. The resistance can be adjusted from five thousand to one hundred fifty thousand ohms.
Q: Is this microphone preamp suitable for instruments like a guitar?A: Yes, it is suitable for instruments like guitars and erhu. The piezoelectric ceramic piece effectively captures sound wave vibrations.
Q: How do I connect the microphone preamp module?A: If using only one channel, short-circuit the other channel's input to ground. This prevents signal crosstalk between channels.
Q: Can I use a switching power supply with this microphone preamp?A: No, you cannot use a switching power supply. Only battery or linear power supplies are compatible to avoid signal interference.
Q: How should I clean and maintain the microphone preamp module?A: You should handle the module gently and avoid exposing it to moisture. Use a soft, dry cloth to clean any dust off the surface.
Q: What should I do if the product arrives damaged?A: If the product arrives damaged, please contact customer support for a replacement. They will guide you through the return process.
Q: Is this microphone preamp suitable for beginners?A: Yes, this microphone preamp is suitable for beginners. Its simple design makes it easy to install and use for various audio projects.
Q: How does this preamp module reduce environmental noise?A: It effectively reduces environmental noise by using a piezoelectric ceramic piece. This component is sensitive to solid vibrations, minimizing gas acoustic vibrations.
Q: Is there a warranty for the Acxico microphone preamp?A: Yes, there is a warranty available for the Acxico microphone preamp. Check the product documentation for specific details on coverage.
Q: Can I use it with a low voltage power supply?A: Yes, it is designed for low voltage power supplies between three point eight and fifteen volts. This makes it versatile for various applications.
Q: What precautions should I take while using the microphone preamp?A: Avoid using a switching power supply and handle it with care to prevent damage. Ensure all connections are secure to avoid signal issues.
Q: What type of applications is this microphone preamp best for?A: It is best for applications involving musical instruments and audio projects requiring high-quality sound amplification. Its design supports various setups.