1. Boss NS-50 Pro Noise Suppressor.

    1/2 rack
    Instrument I/O
    Dual Mono - Stereo I/O with pad.
    Threshold and Attack with LED Gain Reduction indicators.

    Old with some scratches, works wonderfully.
    Stops noise from instrument/pedals AND effects loop.
    Also great for PA applications and recording.

    This puppy kills noise dead.

    $50 shipped, US lower 48