Effective Noise Reduction: This 4-channel audio isolator effectively reduces audio noise and interference in your car audio system, ensuring clearer sound quality. Ground Loop Isolation: Designed to prevent ground loop issues, it eliminates buzzing or humming sounds caused by ground loops in audio systems. Easy to Install: Simplify your car audio system setup with this easy-to-install device, which requires no additional tools and is ideal for audio system upgrades. Universal Compatibility: Suitable for most car audio systems, this audio isolator can be seamlessly integrated with various models. Product Features: - Multiple channel configurations supporting 4-channel input isolation and 4-channel output - Input/output isolation with an insulation withstand voltage of 300Vp-p or higher - Insertion loss less than 0.5dB - Return loss: 18dB - Input level range: 0.5Vp-p to 3Vp-p - Ground loop isolation and noise reduction processing - Frequency response: 20Hz20kHz, within 0.2dB (reference 1kHz) - Common mode rejection: 68dB @ 1kHz - Stereo channel isolation: 62dB - Input impedance: 600 ohms - Input interface: 4-channel cable interface (cable length: 14cm) - Output impedance: 600 ohms - Output interface: 4-channel female connector - Rated loss: less than 0.5dB (reference 1kHz, 1Vrms) - Insulation resistance: 100M ohms at DC 1000V - Isolation voltage: AC 50Hz60Hz, 0V1500V - Maximum input level: +6dBu - Note: Due to different production batches, there may be slight variations in product appearance and labeling; these do not affect functionality Color: Black Material: ABS Package Contents: 1 Audio Isolator (Other accessories not included) Note: Lighting effects and monitor settings may cause slight color variations between the image and actual product.