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GFI System Cabzeus Mono Cab Simulator Pedal

Written by

Elliot Stent

All the way from Indonesia, GFI System has established itself as one of the most innovative pedal companies around. Their Cabzeus Mono pedal is a powerful addition to their lineup; essentially a more streamlined version of the full-sized Cabzeus stompbox.

Compact enough to fit on most pedalboards, this flexible speaker cab simulator and D.I. box gives you access to 12 convincing cab algorithms. If you want to abandon your cumbersome cab and make your pedalboard the hub for your guitar tones, this unit makes that possible. Just team it up with your favourite drive or preamp pedal and you'll get a realistic sound no matter what, with Cabzeus Mono's balanced line out making it easy to connect to a PA system or recording interface.

Here's what GFI System says about the Cabzeus Mono:

Cabzeus Mono is a compact yet powerful speaker simulator + DI.Box pedal. It was developed as a single channel version of its stereo big brother, Cabzeus. Cabzeus Mono offers 12 Speaker algorithms modelled after their real-life counterparts; each algorithm has 4 variations (speaker size and cabinet type), for a total of 48 sounds to select from. 

The simple yet effective user interface lets you browse through the algorithm library and user presets with ease. The speaker simulation may be bypassed, allowing you to use Cabzeus Mono as a straight forward DI Box. 

Headphone Out

A headphone out with a dedicated volume control allows you to have a silent practicing session in the middle of the night. And to make your headphone listening experience more satisfying, despite only mono signal is available, we added a capability to insert an adjustable amount of short delay on the Right channel audio to widen the perceived stereo field.

Integrated DI Box

You can connect a wide range of input sources, ranging from your favorite stompboxes, preamps, your head amp's speaker out, to any music player (see Application Ideas). Its stereo balanced outputs are capable of driving long cables straight to mixing console or FOH speakers. These outputs are tolerant to phantom power, they will not be damaged by accidental application of phantom power.

Key Features

  • Compact Speaker / Cabinet simulator + DI Box
  • Ports: Input, Thru, Outputs (balanced - XLR)
  • 2 Presets
  • Input Pads: 0dB (unity), -20dB or -30dB
  • Mic Position control
  • Stereo headphone out with volume control
  • Internal charge pump circuitry boosts 9V supply voltage to 18V for extended headroom


  • Input impedance: 1 MOhm  
  • Output impedance: 300 Ohm      
  • Sampling rate: 48 KHz
  • DAC / ADC resolution: 24 bits
  • Current consumption: ~120 mA
  • Weight: 0.45 Kg (0.9 lbs)
  • Dimension: 7.5 (L) x 9 (W) x 5.5 (H) cm
  • Power source requirement: 9VDC (negative center)
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