Williams AV IRT-60N Sapphire Handsfree Infrared Microphone
Williams AV | SKU: WS-IRT60N
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Most orders placed before 10:00am PST will most likely ship out the same day. We work hard to process and ship your items quickly so you can start enjoying them as soon as possible.
Found a lower price? Contact us and we'll see if we can match it! Price match will only be applied to products sold and shipped by authorized retailers of the brand.
No restocking fee will be charged when you opt for store credit. Exclusions apply.
Condition: New
Williams AV IRT‑60N Sapphire Handsfree Infrared Microphone
The IRT‑60N Sapphire is Williams AV’s premium handsfree microphone, tailored for educators seeking optimal voice clarity. Lightweight and discreet. Perfect when worn via lanyard or clipped to clothing. It reliably transmits speech to the infrared receiver, ensuring students hear clearly.
Featuring adjustable mic gain, auxiliary audio input, a long-life rechargeable battery, and classroom-focused functionalities such as mute control, teacher priority, and security alert, the Sapphire delivers practical convenience and clarity.
Key Features
- Design: Lightweight (1.4oz), pendant-style—wear via lanyard or clip.
- Controls: Push-and-hold power button (with backlit indicator), momentary mute (blinks when muted), 3-level volume adjustment (High/Normal/Low), and auxiliary volume control.
- Auxiliary Input: 3.5mm stereo line-level input for audio devices or head-worn mic.
- Channel Select: Field-switchable between Channel A or B via switch inside battery compartment.
- Security Alert: Press/hold the priority button for 4–5 seconds to trigger alert through the system’s intercom. Functions only with compatible Williams AV amplifiers/receivers.
- Battery: Internal 3.7V / 620mAh lithium-ion rechargeable via micro‑USB (or optional BRC‑60 dock); ~8 hours of operation per charge.
- Transmission: Infrared FM wide-band, frequencies 2.08MHz & 2.54MHz; pilot tone 32.768kHz; deviation ±25kHz; 180° conical pattern; range ~60ft line-of-sight.
- Warranty: 5-year warranty (mic), 2-year battery warranty.
Technical Specifications
- Carrier Type: Infrared (FM wide-band)
- Transmission Frequencies: 2.08MHz & 2.54MHz
- Pilot Tone: 32.768kHz
- Peak Deviation: ±25kHz
- Operating Range: Up to 60ft (≈18m) line of sight (~1,500sq ft coverage)
- Transmitting Diodes: Six
- Transmission Angle: 180° conical
- Latency: Approximately 0.87ms
- Battery: 3.7V / 620mAh lithium-ion, ~8h runtime
- Charging: 5V DC via micro‑USB or BRC‑60 charging dock
- User Controls: Power On/Off, mute, mic gain (high, normal, low), aux volume, channel select
- Dimensions: 3″ × 1.25″ × 0.75″ (7.6cm × 3.2cm × 1.9cm)
- Weight: 1.4oz (≈39.7g)
- Warranty: 5-year mic, 2-year battery
What’s Included
- 1x IRT‑60N Sapphire microphone/transmitter
- 1x Rechargeable lithium-ion battery (installed)
- 1x Lanyard and clip
- 1x Micro‑USB charging port (cable not included)
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