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TOA IR-310M Infrared Wireless Hands-Free Microphone

By TOA Electronics

TOA IR-310M Infrared Wireless Hands-Free Microphone with Electret Condenser Capsule and Selectable Channel A/B and Clip-On Design

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Part #:
IR-310M Y
Model #:
IR-310M
MSRP: $423.00
$343.00
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-310M is a lightweight infrared wireless hands-free microphone with an electret condenser capsule, selectable A/B channels, and a clip-on design for stable classroom use. It delivers clear voice pickup with up to 8 hours of battery operation.

Description

TOA IR-310M Infrared Wireless Hands-Free Microphone

The IR-310M is a lightweight infrared wireless hands-free microphone designed for clear and reliable communication in classroom environments. Built with an electret condenser capsule, it delivers natural and intelligible voice reproduction, making it ideal for teaching and presentation use.

It features selectable A/B infrared channels, allowing interference-free operation even when multiple systems are used in adjacent classrooms. The microphone can be used hands-free or handheld, and its adjustable sensitivity ensures optimal audio performance across different speaking conditions.

Designed for comfort and stability, the IR-310M includes a secure clip-on system that prevents wobbling or rotation during use. Powered by a rechargeable AA Ni-MH battery, it provides up to 8 hours of continuous operation, supporting full-day teaching needs.

Features
  • Infrared wireless microphone designed for classroom communication
  • Electret condenser capsule for clear and natural voice pickup
  • Selectable A/B channels for interference-free multi-room use
  • Lightweight and comfortable clip-on hands-free design
  • Adjustable microphone sensitivity for flexible performance
  • Can be used as a hands-free or handheld microphone
  • Secure clothing clip prevents movement during use
  • Up to 8 hours of operation with a rechargeable AA Ni-MH battery
  • Ideal for school, lecture, and training environments

Specifications
Battery One piece of rechargeable battery for the infrared wireless microphone (option)
Current Consumption typ. 215 mA (1.2V)
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. 15 m (50 ft) (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: 2 levels (High, Low)
Microphone Element Electret condenser microphone, Uni-directional
Frequency Response 100 Hz - 12 kHz
Pre-emphasis 300 μs
Input External microphone input (ø3.5 monaural mini jack, phantom powered)
Switch Power Switch, Channel selector Switch, Microphone sensitivity selector switch, Function button
Indicator Power LED (Combined with battery life indicator)
Battery Life Approx. 8 hours (when used with one piece of IR-200BT-2 rechargeable battery)
Finish Control section: ABS resin, White
Filter section: Polycarbonate, optical cut filter
Operating Temperature 0°C to +40°C (32°F to 104°F)
Operating Humidity 90% RH or less (no condensation)
Dimensions (H x W x D) 4.29" (109 mm) x 2.13" (54.2 mm) x 1.06" (27 mm)
Weight 0.21 lbs (0.10 kg)

DOCUMENTS

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