TOA IR-310M Infrared Wireless Hands-Free Microphone with Electret Condenser Capsule and Selectable Channel A/B and Clip-On Design
Usually arrives in 5-9 business days.
The IR-300M is a lightweight, hands-free infrared microphone designed for secure and reliable voice transmission in professional environments. Using infrared wireless technology, it eliminates interference and eavesdropping issues, making it ideal for classrooms, conference rooms, and multi-room installations where multiple systems may operate simultaneously.
Engineered for stable performance, the IR-300M features intelligent emitter positioning that reduces dropouts caused by natural user movement. It includes a built-in electret condenser microphone capsule for clear and natural voice reproduction, along with selectable Channel A or B operation, allowing users to manually switch channels based on system setup requirements.
Designed for comfort and everyday use, the IR-300M features a ready-to-wear neck strap for hands-free operation, adjustable infrared emission intensity, antibacterial treatment, and a low-battery indicator. It also supports an external microphone input with adjustable level control, providing flexible integration for a wide range of communication environments, including compatibility with TS-800 and TS-900 infrared systems.
| Battery | Rechargeable battery for the infrared wireless microphone (option) or AA alkaline dry cell battery (2 pieces) |
|---|---|
| Current Consumption | Typ. 250 mA (2.4V, Power selector switch: N) Typ. 340 mA (2.4V, Power selector switch: H) |
| Wavelength | 870 nm (AM: Brightness modulation) |
| Modulation Method | Frequency modulation |
| Carrier Frequency | Channel A: 3.100 MHz Channel B: 3.350 MHz |
| Transmission Distance | Approx. 20 m (65 ft) (Power selector switch: H, in an unobstructed space) Approx. 15 m (50 ft) (Power selector switch: N, in an unobstructed space) |
| Tone Signal | 32.768 kHz |
| Modulation Sensitivity | ±4.8 kHz (1 kHz, when SPL of 84 dB is input) |
| Maximum Input Sound Pressure Level | 120 dB SPL |
| Input Sensitivity Adjustment | Adjustment range: –9 dB to 0 dB (factory-preset: 0 dB) |
| Microphone Element | Unidirectional electret condenser microphone |
| Frequency Response | 100 Hz - 12 kHz |
| Pre-emphasis | 300 μs |
| Input | External microphone input (#3.5 monaural mini jack) |
| Battery Life | Approx. 8 hours (when the IR-200BT rechargeable battery for the infrared wireless microphone is used, Power selector switch: N) Approx. 6 hours (when the alkaline battery is used, Power selector switch: N) |
| Operating Temperature | 0 to 40°C (32 to 140°F) |
| Operating Humidity | 30 to 85% RH (no condensation) |
| Finish | Control section: ABS resin, metallic gray, paint, 50% gloss Filter section: Polycarbonate, optical cut filter |
| Dimensions (H x W x D) | 3.59" (91.3 mm) x 2.52" (64 mm) x 1.07" (27.3 mm) |
| Weight | 0.29 lbs (0.13 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.