Product Details:

• 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.

Power Source	230 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 A): 3.100 MHz Student (Channel B): 3.350 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
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 (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