Check the listing for details. RCA Noise Filter Hum Eliminator Ground Loop Isolator (No Affect Bass) Quality.... Color: Black, Condition: New. Listed at 44.18 USD. RCA Noise Filter Hum Eliminator Ground Loop Isolator (No Affect Bass) Quality Isolator for HiFi Stereo Home Theater Car Audio Player (Black) Product Details Color: Black Brand: WisWinDa MPN: WD-GL001B2 UPC: Does not apply EAN: Does not apply Is Discontinued By Manufacturer : No Product Dimensions : 3.9 x 2.35 x 1 inches; 3.21 ounces Item model number : WD-GL001B2 Date First Available : June 15, 2023 Manufacturer : WisWinDa Country of Origin : China Customer Reviews: 3.9 3.9 out of 5 stars 82 ratings Item Weight: 3.2 ounces Product Dimensions: 3.9 x 2.35 x 1 inches Country of Origin: China Item model number: WD-GL001B2 Is Discontinued By Manufacturer: No Warranty: One Year Warranty Date First Available: June 15, 2023 1. WisWinDa RCA Ground Loop Isolator/Noise Filter RCA No Reduce Bass and could help you to reduce the noise from the car&home audio electric system, gives you HiFi quality sound output. Perfectly solve car and home stereo noise problems. 2. Hum/Buzz Eliminator have high quality A BS Fireproof shell, sturdy and resist, which has long durability. 3. Plug&Play Design--The Audio Isolation Transformer Alternator is easy to install, dont need any complicated tools, and it can be used after correct connecting RCA and cable White and Red. Kind remind please confirm whether the product is suitable before buying. 4. HiFi Performance--The Ground Loop Audio Noise Eliminator could work with car stereo, amplifiers, speakers or mixers, with stable performance, high precision and good reliability. Let you eliminate car speakers / home stereo systems humming sound away and enjoy a perfect sound. 5. Wide Application-- Audio Noise Isolator Filter for Eliminating ground loop noise between the audio source and radio. Used for portable devices that have RCA audio outputs Home Stereo Speakers Amplifier Equalizer ect.