The Infrared Wireless Microphone System using this IR-802T is a PA system designed for use in the school classrooms assuming that their size is about 10 m × 10 m (30 ft × 30 ft). The IR-802T is a 2-channel Infrared Wireless Tuner employing a fixed frequency system with 3 AUX inputs. It is combined with an infrared wireless microphone and an infrared wireless speaker to make up the infrared wireless microphone system. The infrared wireless microphone system eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent school classrooms.
Version CE-GB
Power Source 230 V AC
(supplied AC adapter must be used)
Power Consumption
8 W (based on UL standards)
Max. 40.8 W (rated output at IR-820SP)
Receiving Frequency
Teacher (Channel A): 3.100 MHz
Student (Channel B): 3.350 MHz
Receiver Sensitivity 50 dB or more
Signal to Noise Ratio Tuner: 60 dB or more (60 dBμV input
A-weighted
AUX: 75 dB or more (A-weighted
Tone Squelch Frequency 32.768 kHz
Input AUX PC: line
AUX DVD/TV: line
AUX MP3: line
Mute: 25 V line signals of telephone paging from a school intercom system
Output ALD (Assistive Listening Device): line
Speaker: RJ45 (dedicated terminal for IR-820SP connection)
Frequency Response Tuner: 100 Hz - 12 kHz
Equalization
High: ±10 dB at 10 kHz
Mid: ±10 dB at 1.3 kHz
Low: ±10 dB at 100 Hz
Mute Function Muted by 25 V line signals
LED Indicator Power (green) × 1
Operating Temperature -10 ℃ to +50 ℃ (14 ゜F to 122 ゜F)
Operating Humidity 90 %RH or less (no condensation)
Finish Panel: Aluminum
Case: Steel plate
Dimensions 210 (W) × 46 (H) × 312 (D) mm (8.27 × 1.81 × 12.28")
Weight 1.8 kg (3.97 lb)
Accessory AC adapter (DC cord length: 1.8 m (5.91 ft)) …1
Volume control cover …6
Option Half width blank panel: MB-15B-BK
