IT-12M4 is a simplified version of IT-12M. It has 4 audio outputs, external switching power supply .

The system is good for:
* International Organisation
* Government building
* Corporate conference room
* School language lab
* Church

Technical specifications:
Model: IT-12M4
Audio Input: Ø6.3mm balanced,
unbalanced Level: 0.775V
Combo XLR Level: 2mV
Audio Output:
Floor Output: RCA * 2 Symmetrical, RCA * 6
Output Freq-Response: 10 ~ 16,000 Hz
T.H.D.: <0.05%
SNR: > 75dBA
Crosstalk: > 70dB (1kHz)
Dynamic Range: > 85dB
Output Load: > 1kO
Simultaneous Interpretation: 25 pin D-SUB
Power Supply: AC 110 ~ 220V/DC 15V
System Consumption: 15W
Dimension (mm): 421.6(W) * 44(H) * 213.2(D)