Williams AV IRT-66 AirLink Mobile Display Audio Transmitter
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Williams AV IRT‑66 AirLink Mobile Display Audio Transmitter
The IRT‑66 AirLink™ Mobile Display Audio Transmitter enables mobile or stationary audiovisual devices—such as TVs, displays, or interactive panels—to transmit audio wirelessly to an in-room Williams AV infrared audio system. This simplifies mobile cart integration by eliminating the need for extra wiring to the main audio system.
The IRT‑66 is powered directly by the display’s USB port, requires no internal battery, and automatically powers on/off with the display. It's preset to transmit on mic channel B (to avoid clashing with the teacher's microphone on Channel A) and includes a mute button for interference control when multiple microphones are active.
Key Features
- Audio Input: 3.5 mm line-level input for display’s audio signal
- Power Supply: USB-powered from the display—no battery required
- Auto Power: Automatically turns on/off along with the display power
- Channel Configuration: Shipped on mic channel B to avoid interference with teacher mic on channel A
- Mute Control: Mute button provided for temporary silencing when multiple transmitters are used
Technical Specifications
- Transmission Type: Infrared (IR), FM wide-band
- Frequencies: 2.54 MHz & 2.08 MHz
- Channel Selection: Field-switchable
- Transmitting Diodes: Six
- Wavelength: 850 nm
- Frequency Response: 100 Hz – 10 kHz
- Pilot Tone: 32.768 kHz
- Peak Deviation: ±25 kHz
- Dynamic Range: 95.5 dB @ 2.8 % THD
- Operating Range: Up to 60 ft line-of-sight
- Latency: ~0.87 ms (mic to speakers)
- Transmission Angle: 180° conical
- External Input: 3.5 mm line-level audio
- Power Supply: 5 V DC via micro‑USB from display
- Dimensions: 3.5″ × 1.25″ × 0.75″ (≈ 8.9 cm × 3.2 cm × 1.9 cm)
- Weight: 1.6 oz (≈ 45 g)
What’s Included
- 1x IRT‑66 AirLink Mobile Display Audio Transmitter
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