Welcome to the store!<br><br>Is the volume for audio input, music, and microphone input different?<br>The sensitivity and gain of capacitive microphones, moving coil microphones, and musical instruments are different, resulting in an imbalance in volume.<br>Is the phase of the output signal inconsistent due to the principle difference between capacitive microphone, moving coil microphone, and musical instrument: Can be easily solved!<br>Transistor Voice Amplifier Features: Does not change the original microphone tone, does not increase the line bottom noise, only increases the microphone sensitivity.<br>Specification: A: Without Bluetooth<br>Color: Black<br>Material: Metal<br>Package Contents:<br>1 x Wire Rod Set<br>1 x Microphone Amplifier<br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The measurement allowed error is +/- 1-3 cm.<br><br>Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!