FSM-3 1RU Isolator

The FSM 3 is a 3 band EQ isolator and is available in two versions.

The standard (or A version) has pots with centre detent which is 0dB and each band is adjustable between +6dB and “full kill”. The “B” version has no centre detent and 0dB is fully clockwise and fully anti-clockwise is “full kill”.



The FSM3 is a three way isolator with very sharp roll off filters (–48db/octave).

It features separate sub bass output with a selectable frequency and headphone monitoring of signal before and after the eq.


  • Distortion <0.01% @ +10dbu
  • Noise Floor <-100db


Additional information

Product Manual

<a href="/wp-content/uploads/2020/08/FSM-3-Manual.pdf" target="_blank">Download</a>

Product Leaflet

<a href="/wp-content/uploads/2020/08/FSM-3-Leaflet.pdf" target="_blank">Download </a>


There are no reviews yet.

Be the first to review “FSM-3 1RU Isolator”

Your email address will not be published. Required fields are marked *

Go to Top