Are you trying to figure out what the HPF (High Pass Filter) button does on your audio mixer? This guide will help you know what it does, when you should use it, and when you should avoid it.

Quick Answer: The HPF (High Pass Filter) Button will roll off the lower frequencies (typically between 80-120Hz and below) to help clean up the sound of your microphone.

A high-pass filter (HPF) is an electronic filter that lets frequencies pass when they are above the cutoff frequency. Put another way, it reduces frequencies that are lower than the threshold.  Typically, high pass filters are set between 80-120Hz.

When Should You Use The High Pass Filter

The HPF is a useful tool to clean up unwanted frequencies for a variety of inputs. We recommend using the HPF button on:

  • Vocals
  • Guitars (Acousic and Electric)
  • Cymbals
  • Drums (not Kick drum)
  • Piano
  • etc.

A high pass filter can be useful for reducing background hum, buzzing, and some type of background noise.

When Should You Avoid The High Pass Filter

We recommend avoiding the HPF button on all bass-heavy instruments or inputs. This would include:

  • Kick Drum
  • Bass Guitar
  • Low Synths
  • Recorded Music
  • Video Playback
  • Back Tracks
  • etc.

High Pass Filter (HPF) Equipment Pricing

HPF (High Pass Filter) Button Topics

  • 0:00​ – Introduction
  • 0:13​ – Pricing & Specs
  • 0:30​ – What Is HPF (High Pass Filter) Button?
  • 0:41​ – HPF Button Location
  • 0:57​ – What Does High Pass Filter Do?
  • 1:47​ – When Should You Use HPF?
  • 2:24​ – When Should You Avoid HPF?
  • 3:15​ – High Pass Filter Demo
  • 4:04​ – Final Thoughts

More Helpful Content