FEATURES: The SNI-1 preamp noise filter plugs in between your receiver's preamp outputs and your amplifier. 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 Provides 1.3dB of signal gain to compensate for any signal loss that may occur due to additional connections in the signal path Brown wire is optional ground Brand New 2 Year Car Stereo Warehouse Warranty |