This RCA preamp noise filter plugs in between your receiver's preamp outputs and your amplifier.
2-Channel Ground Loop Isolator
Eliminates ground loop noise from radio pre-amp outputs
Eliminates DC Current from your RCA cables
Reduces most noise in your RCA signal path
Close to perfect response of +/- .03 dB from 20 Hz - 20kHz
Proprietary audio transformers for a 1.3 dB gain
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