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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.
Tech Tip:
The IR-802T CU 1Q for the IR-800 plus system 

| Power Source | 120 V AC, 50/60 Hz (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 1):4.100 MHz Student (Channel 2): 4.725 MHz |
| Receiver Sensitivity | 50 dB or more, Signal to Noise ratio (40 dBμV input, 1 kHz modulation, ±4.8 kHz deviation) |
| Signal to Noise Ratio | Tuner: 60 dB or more (60 dBμV input, 1 kHz modulation, ±4.8 kHz deviation, A-weighted, Equalization: Centered) AUX: 75 dB or more (A-weighted, Equalization: Centered) |
| Tone Squelch Frequency | 32.768 kHz |
| Input | AUX PC: line, -10 dB*, 10 kΩ, unbalanced, stereo mini jack (internal mixing) AUX DVD/TV: line, -10 dB*, 10 kΩ, unbalanced, 2P RCA jack (internal mixing) AUX MP3: line, -10 dB*, 10 kΩ, unbalanced, stereo mini jack (internal mixing) Mute: 25 V line signals of telephone paging from a school intercom system |
| Output | ALD (Assistive Listening Device): line, -10 dB*, 10 kΩ, unbalanced, monaural mini jack Speaker: RJ45 (dedicated terminal for IR-820SP connection) |
| Frequency Response | Tuner: 100 Hz - 12 kHz, AUX: 100 Hz - 20 kHz |
| Equalization | High: ±10 dB at 10 kHz Mid: ±10 dB at 1.3 kHz Low: ±10 dB at 100 Hz |
| Feedback Suppression | Valid for mixing out of 2 infrared wireless microphones |
| Mute Function | Muted by 25 V line signals |
| LED Indicator | Power (green) × 1, Infrared Reception (yellow) × 2, Mute (red) × 1 |
| Operating Temperature | -10 ℃ to +50 ℃ (14 ゜F to 122 ゜F) |
| Operating Humidity | 90 %RH or less (no condensation) |
| Finish | Panel: Aluminum, black Case: Steel plate, black |
| Dimensions | 210 (W) × 46 (H) × 312 (D) mm (8.27 × 1.81" × 12.28") |
| Weight | 1.8 kg (3.97 lb) |
| Accessory | AC adapter (UL/cUL approved product, DC cord length: 1.8 m (5.91 ft)) …1, AC power cord (2m (6.56 ft)) …1, Volume control cover …6, Removable terminal plug (2 pins) …1 |
| Option | Half width blank panel: MB-15B-BK |
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