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Infrared Wireless Tuner


The IR-702T is a 2-channel infrared wireless tuner employing a fixed frequency system. This tuner is combined with an infrared wireless microphone and an infrared wireless receiver to make up the infrared wireless microphone system. The infrared microphone system eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent conference rooms or school classrooms.

(*1) 0 dB = 1 V
Power Source AC mains
Power Consumption 15 W or less
Receiving Frequency Channel A: 3.100 MHz Channel B: 3.350 MHz
Receiver Sensitivity Signal to Noise Ratio: 50 dB or more (40 dBμV input
Signal to Noise Ratio 61 dB or more (60 dBμV input
Tone Squelch Frequency 32.768 kHz
Infrared Receiver Input 75 Ω
Number of Connectable Conference Receiver 4 (YW-1022/YW-1024)
16 (IR-700D
Output Channel A and B: -10 dB(*1) (±4.8 kHz deviation
Note: Channel A switchable to mixer output.
Frequency Response 100 Hz - 12 kHz
Operating Temperature -10 ℃ to +50 ℃ (14 ゜F to 122 ゜F)
Operating Humidity 30 % to 85 %RH (no condensation)
Finish Case: ABS resin
Dimensions 210 (W) × 44 (H) × 210.9 (D) mm (8.27 × 1.73 × 8.3)
Weight 630 g (1.39 lb) (unit only)
Accessory AC adapter (DC cord length: 1.5 m (4.92 ft) ) x 1
AC Power cord (2 m (6.56 ft))(*2) …1
Option Rack mounting bracket: MB-WT3
(*2) Not supplied with the IR-702T(KR). For the usable power supply cord and AC adapter contact your nearest TOA dealer.
  • Contact Us
  • A&E Specification Download
  • TOA UHF Wireless Microphone System
  • SounDoh WIKISound tips: text version
  • SounDoh VIDSound tips: video or animation version

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