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The XO-1 features 2 inputs and 6 outputs, each output features crossover filters, 5 band parametric equaliser configurable as high and low shelving filters plus limiter and delay. Full metering is provided for inputs and outputs, with mute and access buttons allowing quick set up and gain adjustment.


Please note, this product is no longer in production, this page is for user reference only. 

Please go to the XO2 or XO4 for our current loudspeaker management units.



  • 2 Inputs and 6 outputs provide for multiple crossover formats including full stereo 3 way.
  • 6 x 5 band parametric sections, plus high and low shelving filters for box equalisation.
  • High performance limiters on each output.
  • Precise 2.6 uS (less than 1mm) delay increment for perfect driver time alignment.
  • 80 non-volatile preset memories.
  • 19 User memories (OEM definable).
  • Full and individual parameter locking.
  • Delay linking option allows speaker box alignment while keeping driver alignment.
  • Mono sub mix is provided.
  • OEM and end user loadable presets.
  • Excellent sound quality: uses XTA's proprietary AudioCore DSP engine and algorithms.
  • RS232 interfaces, provided as standard, allow connection to PC enabling quick and easy updates of software and presets.
  • Accommodates mains voltages from 70V to 260V without adjustment.

Technical Drawings:

XO1 Technical Drawing
All dimensions in mm and inches © Copyright Funktion One Research Ltd 2000 - 2024

Downloadable Files:


Product in Action: