Description:100% brand new and high quality3.5mm Car RCA Amplifier Audio Noise Filter Ground Loop Isolator Suppressor.Easy to install.Noise Canceling.This item eliminates ground loop noise between audio source and radio Works 4.with car or home stereos.Works with any portable device that has two 3.5mm audio jacks.Specification:Voltage: 12VFunction: Can effectively solve the problem of car audio noiseFeature: Power supply noise of igniter produces filtration effect， make the sound effect is betterColor: as the picture showSize (L*W*H):6.3 x 3.8 x 3cm/2.48"x1.49"x1.18"(approx)Cable length: 13cm/5.11"(approx)Quantity:1 pcNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!Package includes:1 PCS 10-50V DC 30A Max 40A 50V 1000W Motor Speed Control PWM HHO RC Controller