IR-820SP TeachIR Infrared, Speaker and Class D amplifier

  • Overview
  • Specification
  • Downloads

    • 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 ceiling mounting be used in conjunction with IR-820T infrared Wireless Tuner

  • Specification
    Power Source 24 V DC (supplied from IR-802T)
    Power Consumption 4.4 W (based on UL standard)
    Rated Output 20 W
    Frequency Response 100 Hz – 20 kHz (-10 dB) at installation in 1/2 free sound field
    Amplification System Class D
    Distortion 5% or less (rated output, A-weighted)
    Speaker Component 12 cm (4.72″) cone-type
    Infrared Wireless Receiver
    Wavelength 870 nm
    Carrier Frequency Teacher (Channel A) : 3.100 MHz – student (Channel B) : 3.350 MHz
    Reception Angle 360° (Horizontal)
    Connection Terminal RJ-45
    LED Indicator Power (green) × 1
    Mounting Hole ø300 mm
    Connection Cable CAT-5 UTP
    Operating Temperature -10°C to 50°C
    Operating Humidity 90% RH or less (no condensation)
    Finish Enclosure: Steel plate, plating – Baffle : Fire-resistant ABS resin (resin – material grade: UL94V-0), white – Punched net : Steel plate, white. Filter section : Polycarbonate, optical cut filter
    Dimensions ø320 × 205 (D) mm
    Weight 3.4 kg
    Accessories Safety wire × 1, Ceiling reinforcement ring × 1, Paper pattern × 1 Option Tile bar bridge: HY-TB1

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IR-802KIT4
KIT 4

TeachIRKit4 Kit 4

This product is a variant of the following item. Click on the link below to see all variants and options:
TeachIR School IR Systems

Teach IR Kit 4 includes everything needed to bring your classroom to life. This kit includes: IR-820SP – Infrared Wireless ceiling mounted speaker, IR-802T – Infrared Wireless Tuner, IR-300M – Infrared Wireless Pendant Microphone, IR-200M – Infrared Wireless Handheld microphone, IR-200BC – Battery Charger, IR-200BT-2 – Ni-MH Rechargeable Batteries and Connector cable.

 

IR-802KIT1
IR-802KIT1

TeachIRKit1 Kit 1

This product is a variant of the following item. Click on the link below to see all variants and options:
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Complete kit with Infrared wireless speaker, tuner and wireless pendant microphone.

KIT 3
KIT 3

TeachIRKit3 Kit 3

This product is a variant of the following item. Click on the link below to see all variants and options:
TeachIR School IR Systems

Kit three includes Infrared wireless speaker, tuner, hands free and handheld microphone.

KIT 2

TeachIRKit2 Kit 2

This product is a variant of the following item. Click on the link below to see all variants and options:
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Kit two includes Infrared wireless speaker, tuner and one handheld microphone

TeachIR School IR Systems

Enrich Your Students’ Learning Experience with remarkably clear audio easily.

Assembled specifically for classroom use, TOA’s new Infrared Wireless Classroom Systems 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, moreover, thus avoiding unnecessary equipment installation.

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