IR-842PMU-AM
IR-842 Infrared Audio System Main Unit
IR-842PMU-AM
The IR-842PMU is a compact, portable infrared classroom soundfield system, designed for use in conjunction with TOA's IR-200M (hand-held), IR-300 (hands-free), or IR-310 (hands-free) infrared wireless microphones, featuring high sensitivity and clear sound.
Power Source
100 - 240 V AC, 50/60 Hz (use of the supplied AC adapter)
Power Consumption
60 W (120 W max. including sub unit speaker output)
Rated Output
40 W (80 W max. including sub unit speaker output)
Frequency Response
20 - 20 kHz, 3 dB
Amplification System
Class D Amplifier
Total Harmonic Distortion
0.1 % (LPF 20 kHz)
Speaker Component
5.5”full range speaker driver
Infrared Wireless Receiver
Wavelength
850 nm
Carrier Frequency
Teacher (CH-A): 3.100 MHz
Student(CH-B): 3.350 MHz
Student(CH-B): 3.350 MHz
Communication Area
Approx. 15 m (49.21 ft) in a space without any obstacle and visible between the infrared microphone and receiver
Reception Angle
120 Degrees
Connetion Terminal For External IR Receiver
RJ-45
Audio Input
MIC: -42 dBV, 2.2 kΩ, electronic balanced, female XLR connector
AUX: -10 dBV, 10 kΩ, stereo pair, unbalanced, headphone jack
Bluetooth input: Ver. 5.0, Max. 10m
AUX: -10 dBV, 10 kΩ, stereo pair, unbalanced, headphone jack
Bluetooth input: Ver. 5.0, Max. 10m
Audio Output
Sub unit speaker OUT: 23.8 dBV, unbalanced, lever terminal
AUX OUT: -10 dBV, 10 kΩ, stereo pair, unbanlanced, headphone jack
AUX OUT: -10 dBV, 10 kΩ, stereo pair, unbanlanced, headphone jack
Signal to Noise Ratio
Over 70 dB (A weighted)
Phantom Power
+24 VDC, switchable, MIC input
Compliance/Certifications
FCC, ICES
Connection Terminal
RJ-45, 2 Way Spring Speaker Terminal Clip
Indicators
Power(green) x 1, IR CH-A(green) x 1, IR-B(green) x 1, IR CH-A Priority(red) x 1, Bluetooth(blue) x 1, Phantome power(green) x 1
LED Indicator
Power, IR Transmitters, Bluetooth, XLR, Bluetooth, and Phantom Power
Operation
IR CH-A volume control, IR CH-B volume control, MIC volume control
AUX IN volume control, AUX OUT volume control, Bluetooth volume control
AUX IN volume control, AUX OUT volume control, Bluetooth volume control
Operating Temperature
0 °C to +40 °C (32 °F to 104 °F)
Operating Humidity
Under 90 % RH (no condensation)
Finish
Enclosure: MDF, white, paint
Punched net: Surface-treated steel plate, white, paint
Punched net: Surface-treated steel plate, white, paint
Dimensions
218 (W) x 339.6 (H) x 254 (D) mm (8.60" x 13.37" x 9.99")
Weight
4.97 kg (10.96 lbs)
Included Accessories
AC Power Adapter x 1, Wall Mounting Bracket x 1
Please download Datasheet to access full specifications.
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