Photo 1 of MICNAUX Dual-Channel Audio Signal Isolator with Ground Lift Switch, 3-Level Gain Attenuation (0/-20/-40dB), 600? High-Impedance Noise Filter Hum Eliminator for Home Audio, Studio & Live Sound Systems

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Photo 1 of MICNAUX Dual-Channel Audio Signal Isolator with Ground Lift Switch, 3-Level Gain Attenuation (0/-20/-40dB), 600? High-Impedance Noise Filter Hum Eliminator for Home Audio, Studio & Live Sound SystemsPhoto 2 of MICNAUX Dual-Channel Audio Signal Isolator with Ground Lift Switch, 3-Level Gain Attenuation (0/-20/-40dB), 600? High-Impedance Noise Filter Hum Eliminator for Home Audio, Studio & Live Sound Systems