The features and layout of the FF-4000 DJ mixer was designed in collaboration with leading loudspeaker manufacturers, Funktion One.

The result is a mixer which provides not only the highest sound quality, as you would expect from Formula Sound, but also incorporates the features and layout which professional DJs require. Our 30+ years of pro-audio manufacturing ensures that the highest performance audio quality, build quality and reliability is assured.


The FF-4000 DJ mixer is a stereo, fixed format tabletop, designed in collaboration with Funktion One.

The FF-4000 has 4 channels, each with 2 inputs meaning a total of 12 inputs of various types the mixer will be able to handle the most demanding situation. For larger requirements, the FF-6000 has 6 channels, each with 2 inputs. The console microphone provides a further input on both models, giving 13 (FF-6000) or 9 (FF-4000) inputs in total (3 mic, 10 stereo/2 mic, 7 stereo).

Outputs include:

  • Main (with additional mono output)
  • Booth
  • Zone (with additional mono output)
  • Record (all stereos)

The cross fader is assignable and allows effects equipment to be used via the effects loops. Headphone monitoring via either 3.5mm and ¼inch jack socket with split cue. Signal display on all input channels. Main and CUE led display.


  • Distortion <0.01%
  • Eq +6db –25db @ Max output level +20dbu


Additional information

Product Leaflet


Product Manual


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