FINEANDENG RCA Audio Isolator Dual RCA Male to Female Common Ground Noise Filter for Car Audio Systems,Power Amplifiers,Players etc(4.72 Inch)

["This RCA audio isolator can achieve signal transmission, remove noise generated by connections, and solve the problem of AC sound damage to sound quality caused by factors such as venue interference.","This audio isolator can eliminate noise generated by long-distance transmission between devices that are not grounded together, as well as noise caused by impedance mismatch.","The plug of this audio isolator features a gold-plated interface, which is resistant to oxidation, rust, and interference, ensuring more stable signal transmission.","The casing of this audio isolator is made of alloy material, which is highly durable due to its high hardness.","This audio isolator is suitable for connecting various electronic and electrical devices with playback sound equipment, such as connecting laptops, DVD players, televisions, CD players, and speakers, and is also suitable for connecting car AUX audio."]