I read somewhere that he had a dB reader that connects to the cigarette Lighter 12.v is that true? do they sell them
How do they measured dB with a Laptop .... what software do you need? do they used a microphone inside the car to read th dB?
How do they measured dB with a Laptop .... what software do you need? do they used a microphone inside the car to read th dB?
