Microphone Amplifier for Minibus

Mini Vox 12 IBS


  • Extra small control panel.
  • Operating voltage - 12V.
  • Output power - 2 x 25W.
  • Direct connection to 12V passenger car radio.
  • 1 frontal microphone input jack.
  • Quick and simple handling and installation.


All modern Minibuses are loaded with audio-visual (AV) systems: Radio, Telephone, TV, DVD Public Announcement Systems etc.
However, operating the multitude on board AV systems poses a real danger, by diverting the driver’s attention from the most important thing which is driving.  

Intervox’s simple yet highly effective microphone amplifier for minibuses gives an excellent solution for passengers and tourist vehicles.

The extra small control panel is designed to blend in the dashboard and to ensure installation simplicity.

In addition, all the components are plug & play, and can be quickly installed in any convenient position on the vehicle.

Adding versatility to efficiency, the system can be costume tailored to meet specific needs.


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Power supply: 12 V +/- 20% (negative to ground)
Max. power consumption: 5 A
Max. power output: 2 x 35 W R.M.S.
Continuous power output: 2 x 18 W (1% dist. a 1 kHz)
Output impedance: Between 2 - 8 Ohms (normally 4 Ohms)
Dimensions: 86 x 57 x 30 mm
Net weight: 0.4 kg


Normal input: 100 mV - 1 V (R.M.S.)
Input impedance: 10 KOhms
Bandwidth: 30 Hz - 12 KHz (-3 dB)
Signal / noise ratio: >50 dB


An independent input: Guide microphone or flex neck microphone (priority)
Normal input: 1.5 mV (R.M.S.)
Input impedance: 2 KOhms
Bandwidth: 200 Hz - 1200 Hz (-3 dB)
Signal / noise ratio: >40 dB
Intervox 22 Rama St., Or-Yehuda 6019800, Israel Tel: +972 3 9600288 Fax: +972 3 9600286 e-Mail: info@inter-vox.com
All rights reserved Intervox, © 2018
Created by Irena