MI 909 back panel

Features:

Consists of MI 909T, MI 909R and E 8S.

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.

The MI-909R operates in a wide 64 MHz bandwidth and it has easy to use controls and indicators with a backlit LCD screen. Advanced dual-antenna diversity design eliminates signal dropouts and enhances signal stability. Featuring a lightweight, exceptionally durable magnesium alloy bodypack case, the MI-909R is ideal for professional installations and live applications. Proprietary digital encryption provides secure audio transmission, preventing unauthorized listening in conferences, meetings and language interpretation applications.

  • Industry’s most compact and smallest housing.
  • Featuring a lightweight, yet rugged, magnesium & glass-fiber reinforced plastic case for stage applications.
  • Backlit LCD screen with superior features and advanced function settings.
  • Dual-antenna diversity design enhances RF signal stability and extends transmission range.
  • Dual unbreakable soft antennas.
  • Selectable stereo, balanced, mono & mixed output modes.
  • Selectable EQ settings.
  • Fast and easy menu controls and indicators accessed by three buttons.

 

Specifications:

MI-909R:

Frequency Range 470 ~ 639 MHz, 705 ~ 960 MHz (country dependent)
Bandwidth64 MHz
Preset Frequency12 non-interference compatible frequencies in group 1 ~ 10.
16 non-interference compatible frequencies in group 11 ~ 16.
216 preset frequencies in total.
Channel Grid25 kHz
Channel Set-UpACT Sync
Frequency Response20 Hz ~ 15 kHz (stereo)
Stereo Separation> 95 dB
Max. S/N ratio95 dBA (stereo)
T.H.D< 0.1% @ 1 kHz
Modulation TypeDigital modulation
Spurious Emissions< 4 nW
Operating Temperature-10℃ ~ +60℃
Receiving ModeDigital diversity receiving
Oscillation ModePLL Synthesized
Frequency Stability± 0.005% (-10℃ ~ +60℃)
Sensitivity10 μV input level, S/N > 90 dB (stereo)
Volume Control126 dB (1 dB step)
LCD DisplayAF / RF meters, Battery status, Group & Channel, R/L balance
Output Jack3.5 mm stereo earphone jack
Output PowerLeft / Right × 120 mW @ 16 Ω
Earphone Impedance≧ 16 Ω
Battery Type2 AA alkaline
Current ConsumptionApprox. 170 mA
Operating TimeApprox. 8 hours
Dimensions (W × H × D)63 × 82 × 23 mm / 2.6 × 3.2 × 0.9 “
Net WeightApprox. 93 g / 3.3 oz

 

MI-909T:

Frequency Range 470 ~ 639 MHz, 705 ~ 960 MHz (country dependent)
Bandwidth64 MHz
Preset Frequency12 non-interference compatible frequencies in group 1 ~ 10.
16 non-interference compatible frequencies in group 11 ~ 16.
216 preset frequencies in total.
Channel Grid25 kHz
Channel Set-UpACT Sync
Frequency Response20 Hz ~ 15 kHz (stereo)
Stereo Separation> 95 dB
Max. S/N ratio95 dBA
T.H.D< 0.1% @ 1 kHz
Modulation TypeDigital modulation
Spurious Emissions< 4 nW
Operating Temperature-10℃ ~ +60℃
RF Output PowerLow < 10 mW︱ High < 100 mW switchable (country dependent)
ADC Dynamic Range112 dBA
Audio Input Jack2× Combination XLR & 6.3 mm (1/4 “) TRS
Audio Output Jack2× 6.3 mm (1/4 “) TRS
Max. Input> + 26 dBu, Selectable Line / Mic level
Audio Input Adjustment0 ~ -30 dB, 3 dB step
Earphone Output Jack6.3 mm (1/4 “) stereo phone jack with volume control
Earphone Output Impedance≧ 16 Ω
Network Interface2 × RJ-11, proprietary MIPRO ACT-BUS
Antenna ConnectorTNC (50 Ω impedance)
Power Supply12 ~ 15 V DC
Dimensions (W × H × D)210 × 44 × 206 mm / 8.3 × 1.7 × 8.1 “
WeightApprox. 1.1 kg / 2.4 lbs

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Click here to download Mipro MI-909 Digitial Wireless In-Ear Monitor System specifications

Click here to download Mipro MI-909 Digital Wireless In-Ear Monitoring System user guide