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Infrared Wireless Classroom Assistive Listening System


Assembled specifically for classroom use...
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Our Price: $1,376.00
List Price: $1,702.00
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Assembled specifically for classroom use, TOA’s IR-802PA Infrared Wireless Classroom System includes a ceiling-mounted wide-dispersion speaker (with integrated receiver and amplifier), an easily accessed desktop tuner and a pair of lightweight IR wireless microphones, one each for the teacher and students.

The system is tailored to classroom size, thus avoiding unnecessary equipment installation. The wide-dispersion speaker provides ample 30 ft x 30 ft coverage, transmitting teachers’ and students’ normal speaking voices to everyone in the room, from front to back, with equal clarity and TOA’s renowned superior sound quality. The resulting easy interactive communication stimulates students and improves their understanding of the course content.

TOA IR-802PA Includes:

  • One (1) IR-802T IR Tuner/Mixer
  • One (1) IR-820SP IR Powered Speaker
  • One (1) IR-310M Teacher IR Pendant Microphone
  • One (1) IR-310-BC Battery Charger
  • One (1) IR-200BT-2 NiMH Rechargeable Battery Pack

TOA IR-802PA Features:

  • IR-802T Ifrared Wireless Transmitter:
    • 3 AUX inputs for PC, TV/DVD player and MP3 audio player
    • Output muting by 25 V line signal from telephone paging
    • Equalizer control knobs for low-, mid- and high-frequency outputs
    • Mixing output terminal for ALD (Assistive Listening Device)
    • Frequency response optimized to reduce acoustic feedback in 30 ft x 30 ft classrooms
  • IR-802SP Infrared Wireless Speaker:
    • Built-in infrared receiver and 20W digital amplifier
    • Unique wide-dispersion acoustic structure employing innovative TOA technology to achieve uniform output over a wide radius
    • Bass-reflex speaker system achieving a wide frequency range and high power-handling capability
    • Easy installation with quick, optimally positioned ceilingmounting
  • IR-310M Infrared Wireless Microphone:
    • Usable as hands-free or hand-held microphone
    • Lightweight body with unobtrusive styling
    • 8-hour operation with single AA battery
    • Function button for use in paging or external device control via IR-801AF
    • Microphone sensitivity adjustable to suit application
    • Sturdy clothing clip to prevent wobbling or rotation during hands-free use

TOA IR-802PA Specifications:

  • IR-802T:
    • 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 of 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 dBV input, 1 kHz modulation, 4.8 kHz deviation)
    • S/N Ratio:
      • Tuner: 60 dB or more (60 dBV 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
    • Inputs
      • AUX PC:  line, -10 dB, 10 kOhms, unbalanced, stereo mini jack (internal mixing)
      • AUX DVD/TV:  line, -10 dB, 10 kOhms, unbalanced, 2P RCA jack (internal mixing)
      • AUX MP3:  line, -10 dB, 10 kOhms, 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 k, unbalanced, monaural mini jack
    • Speaker:  RJ45 (dedicated terminal for IR-820SP connection)
    • 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) x1, Infrared reception (yellow) x2, Mute (red) x1
    • Operating Temperature:  14 ºF to 122ºF
    • Operating Humidity:   90% RH or less (no condensation)
    • Finish Panel:  Aluminum, black/Case: Steel plate, black
    • Dimensions (WxHxD):  8.27" x 1.81" x 12.28"
    • Weight:  3.97 lb
    • Accessories: 
      • AC adapter (DC cord length:5.91 ft) x1
      • AC power cord (6.56 ft) x1
      • Volume control cover x6
      • Removable terminal plug (2 pins) x1
    • Option:  Half-width blank panel: MB-15B-BK
  • IR-802SP:
    • Power Source:  24 V DC (supplied from IR-802T)
    • Power Consumption:  4.4 Watts (Based on UL Standard)
    • Rated Output:  20 Watts
    • Frequency Response:  100 Hz - 20 kHz (-10dB) at installation in 1/2 free sound field (Measured by installing the unit in the center of a ceiling)
    • Amplification System:  Class D
    • Distortion:  5% or less (rated output, A-weighted)
    • Speaker Component:  4.72" (12 cm) cone-type
    • Infrared Wireless Receiver:
      • Wavelength:  870 nm
      • Carrier Frequency:
        • Channel A (for Teacher):  3.100 MHz
        • Channel B (for Students):  3.350 MHz
    • Reception Angle:  360 (horizontal)
    • Connection Terminal:  RJ-45
    • LED Indicator:  Power (green) x1
    • Mounting Hold:  11.81" outside diameter
    • Usage Cable:  CAT-5 UTP
    • Operating Temperature:  14°F to 122°F
    • Operating Humidity:  90% RH or less (no condensation)
    • Finish:
      • Enclosure:  Steel plate, plating
      • Baffle:  Fire-resistant ABS resin (resin material grade: UL-94-V-0), white
      • Punched Net:  Steel plate, white
      • Filter Section:  Polycarbonate, optical cut filter
    • Dimensions:  12.6" O.D x 8.07 (D)
    • Weight:  7.5 lbs
    • Accessories:
      • Safety Wire x1
      • Ceiling Reinforcemtn Ring x1
      • Paper Pattern x1
    • Option:  Tile bar bridge HY-TB1
  • IR-310M:
    • Batteries:  One piece of IR-200BT-2 rechargeable battery for the infrared wireless microphone
    • Current Consumption:  typ. 250mA (1.2V)
    • Infrared Emitter:
      • Wavelength:  870 nm (AM: Brightness modulation)
      • Carrier Frequency:
        • Channel A:  3.100 MHz
        • Channel B:  3.350 MHz
    • Transmission Distance:  50 ft (in an unobstructed space)
    • Input Sensitivity:  Adjustment range: 2 levels (High, Low)
    • Microphone Unit:  Unidirectional electret condenser microphone
    • Frequency Response:  100 Hz - 12 kHz
    • Preemphasis:  300 us
    • Input:  External microphone input (3.5mm mono mini jack)
    • Battery Operation Time:  Approx. 8 hours
    • Operating Temperature:  32°F to 104°F
    • Operating Humidity:  30% to 85% RH
    • Finish:
      • Control Section:  ABS resin, white
      • Filter Section:  Polycarbonate, optical cut filter
    • Dimensions (WxHxD):  2.17" x 4.33" x 0.87"
    • Weight:  0.22 lbs (with battery and strap)
    • Accessories:  Neck strap x1

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