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By TOA Electronics

TOA IR-300M Infrared Wireless Hands-Free Microphone with Electret Condenser Capsule and Selectable Channel A/B and Neck Strap Design

Part #:
IR-300M Y
Model #:
IR-300M
MSRP: $457.00
$370.00
Availability: Usually arrives in 5-9 business days. Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.
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The TOA IR-300M infrared wireless hands-free microphone features a neck strap design, an electret condenser capsule, and selectable Channel A/B operation. It delivers secure, interference-free audio for classrooms and conference rooms with reliable, clear voice transmission.

Description

TOA IR-300M Y Infrared Wireless Hands-Free Microphone

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.

Features

  • Hands-free infrared wireless microphone with neck strap design
  • Secure transmission with no interference or eavesdropping
  • Built-in electret condenser microphone capsule for clear audio
  • Selectable Channel A/B operation for flexible system setup
  • Compatible with TS-800 and TS-900 infrared conference systems
  • Intelligent emitter positioning reduces dropouts during movement
  • Adjustable infrared emission intensity for optimized performance
  • Antibacterial-treated surface for hygienic shared use
  • Low-battery indicator for reliable operation
  • External microphone input with adjustable level support
  • Ideal for classrooms, conference rooms, and training environments
  • Supports simultaneous operation in adjacent rooms without interference
  • Lightweight and comfortable for extended wear

Specifications

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)

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