Details

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Adams Digital Automotive Noise Filter Choke (12V 25AMP)
Model: A-25N

SPECIFICATION
Input Voltage:12V

If drive a car can listen audio noise( like an airplane sound) with this A-25N Noise Filter Choke it can effectively solve the problem of audio noise. 

𝐀𝐭𝐭𝐞𝐧𝐭𝐢𝐨𝐧 
This is just one of option can noise it,  many things can cause the audio noise