The stereo line isolator uses galvanic isolation technology to effectively noise interference and clear and quality. With gold plating and distortion rate less than 0.0025%, this line isolator can provide high-fidelity sound quality in a wide frequency range of 0 to 20kHz. It is ideal for audiophiles, sound engineers and music lovers to help them improve their listening experience and the troubles of ground loops and . This isolator is perfect for home HiFi systems, professional recording studios and car audio systems, and can be seamlessly integrated into any environment. For music lovers who pursue quality, this is an ideal accessory. Impedance: 600Ω Frequency response: 0-20KHz Color: Black Material: Metal Package Contents: 1 x Audio Signal Isolator 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.