[Ground Isolation Module Eliminates Current Sound] Helps reduce noise from car and home audio electric systems, delivering HiFi quality sound output. Effectively solves noise issues in car and home stereo systems. [Plug and Play Design] The audio isolation module is easy to install with no complicated tools required. Ready to use after correctly connecting the red and white RCA cables. Please confirm compatibility before purchase. [HiFi Performance] This ground loop audio noise eliminator works with car stereos, amplifiers, speakers, and mixers. Offers stable performance, high precision, and reliable operation. Eliminates humming sounds from car speakers and home stereo systems for clear, high-quality audio. [Multi-Device Compatibility] Suitable for connections between various electronic devices and audio playback systems, such as linking laptops, DVD players, TVs, CD players to speakers, and ideal for car AUX audio connections. [Alloy Shell with Gold-Plated Interface] Constructed with an alloy shell for high durability and hardness. The gold-plated interface resists oxidation, rust, and signal interference, ensuring stable signal transmission. Color: As Shown Material: Plastic Package Contents: 1 x Audio Isolator (Note: Appearance may vary slightly due to different product batches, which does not affect functionality) Only the listed item is included; other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.