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MIPRO specializes in the designing and manufacturing of professional wireless microphone systems.

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SLide one

MIPRO specializes in the designing and manufacturing of professional wireless microphone systems.

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Mipro MI-909T Digital Stereo Transmitter

MI-909 is an industry first, professional quality digital wireless stereo IEM system. Featuring digitally encrypted technology with unparalleled digital audio performance and transmission reliability, the superior frequency response characteristics of the MI-909 from 20 Hz to 15 kHz clearly exceed those of analog systems. Combining DSP & digital diversity technologies, this upgraded MI-909 system has advanced features and functions that supersede its competitors.

  • EIA-standard half-rack 19″ metal case, LCD screen display, rotary control knob for advanced menu settings and dual audio LED indicator lockable front panel.
  • Up to 16 compatible channels within the same frequency group.
  • Selectable encryption keys with scroll or static setting for single or multiple receivers.
  • Selectable HI, LOW or OFF (mute) output power.
  • High dynamic range, stereo audio inputs and able to withstand the maximum output levels of professional audio mixers.
  • Built-in DSP 3 band ±9 dB EQ settings for audio modifications.
  • Free Scan selects an open, interference-free transmitter frequency and ACT syncs the transmitter and receiver frequencies automatically.
  • Ideal for professional multi-language interpretation system and installation applications.
  Housing Standard 1/2U rack-mountable metal case with rotary control knob  
  Frequency Range 470 ~ 639 MHz, 705 ~ 960 MHz (country dependent)  
  Bandwidth 64 MHz  
  Preset Frequency 12 non-interference compatible frequencies in group 1 ~ 10.
16 non-interference compatible frequencies in group 11 ~ 16.
216 preset frequencies in total.
 
  Channel Grid 25 kHz  
  Channel Set-Up ACT Sync  
  Frequency Response 20 Hz ~ 15 kHz (stereo)  
  Stereo Separation > 95 dB  
  Max. S/N Ratio 95 dBA (stereo)  
  T.H.D < 0.1% @ 1 kHz  
  Modulation Type Digital modulation   
  Spurious Emissions < 4 nW  
  Operating Temperature -10℃ ~ +60℃  
  RF Output Power Low < 10 mW︱ High < 100 mW switchable (country dependent)  
  ADC Dynamic Range 112 dBA  
  Audio Input Jack 2× Combination XLR & 6.3 mm (1/4 “) TRS  
  Audio Output Jack 2× 6.3 mm (1/4 “) TRS  
  Max. Input > + 26 dBu, Selectable Line / Mic level  
  Audio Input Adjustment 0 ~ -30 dB, 3 dB step  
  Earphone Output Jack Ø 6.3 mm stereo phone jack with volume control  
  Earphone Output Impedance ≧ 16 Ω  
  Network Interface 2 × RJ-11, proprietary MIPRO ACT-BUS  
  Antenna Connector TNC (50 Ω impedance)  
  Power Supply External 12 ~ 15 V DC  
  Dimensions (W × H × D) 210 × 44 × 206 mm / 8.3 × 1.7 × 8.1 “  
  Net Weight Approx. 1.1 kg / 2.4 lbs  
  Note Refer to actual product in the event of product discrepancy.  

MI-909R