04-31, Skudai Parade
Shopping Complex,
Batu 10, Jalan Skudai,
81300 Skudai, Johor,

Lot 3, Block B,
Subang Light Industrial Park,
Off Jalan Subang 2, USJ 1,
47610 Subang Jaya,
Selangor, Malaysia.

14, Jalan Medan Ipoh 9,
Bandar Baru Medan,
31400 Ipoh,
Perak, Malaysia.


IR-300M.Infrared Wireless Microphone

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IR-300M.Infrared Wireless Microphone

The IR-300M is a hands-free infrared wireless microphone. It eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent conference rooms or school classrooms. Since infrared wireless microphone system uses a frequency band that does not interfere with that of the TS-800 and TS-900 series infrared conference system, both systems can be simultaneously installed in the same location.


Battery IR-200BT-2 rechargeable battery for the infrared wireless microphone (option)
or AA alkaline dry cell battery (2 pieces).
Current Consumption Typ. 250 mA (2.4 V, Power selector switch: N)
Typ. 340 mA (2.4 V, Power selector switch: H)

Infrared Emitter

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 120 dB SPL
Input Sensitivity Adjustment Adjustment range: -9 dB to 0 dB (factory preset: 0 dB)
Microphone Unit Unidirectional electret condenser microphone
Frequency Response 100 Hz - 12 kHz
Preemphasis 300 μs
Input External microphone input (φ3.5 monaural mini jack)
Battery Operation Time Approx. 8 h (when the IR-200BT rechargeable battery for the infrared wireless
microphone is used, Power selector switch: N)
Approx. 6 h (when the alkaline battery is used, Power selector switch: N)
Operating Temperature 0 → to +40 → (32 쯡F to 104 쯡F)
Operating Humidity 30 % to 85 %RH
Finish Control section: ABS resin, metallic gray, paint, 50% gloss
Filter section: Polycarbonate, optical cut filter
Dimensions 64 (W) × 91.3 (H) ×27.3 (D) mm (2.52' × 3.59' × 1.07')
Weight 130 g (0.29 lb) (with battery and strap)
Accessory Screw driver (for setting) …1, Color label (6 colors) …1
Option Battery charger: IR-200BC
Ni-MH Battery: IR-200BT-2 (containing 2 pieces)

Brochure :

IPedge EM Pigtail FC. Fiber Optic Pigtail. #ASIP Connect Cynics 2MP 50m IR Starlight Weatherproof IP Camera.CNC-4335-SL LM5110 CYNICS 4 PORT + 4 PORT SFP UNMANAGED FULL GIGABIT NETWORK SWITCHES.IGS404 EL2305L. Elid Lift Access Controller Next-Generation Security Gateway Series RG-EG2000CE DS-2CE56D0T-VFIR3F.HD 1080p IR Turret Camera DLINK LAYER 2 MANAGEMENT SWITCHES-DES-3200-28 SC-610.TOA Paging Horn Speaker N-8000AF.Audio Interface Unit WJ-HL208/HL204 DS-7232HQHI-K2.32CH Turbo HD DVR DS-2CC12D9T. Hikvision 2MP Box Camera DS-2CD2685G0-IZS.8 MP(4K) IR Varifocal Bullet Network Camera DS-2TS03-25UF/W. Hikvision Handheld Thermal Monocular Camera. #ASIP Connect HX-40 DAM. Optex High Mount Outdoor PIR / Combination Detector DH-HAC-B1A21. Dahua 2MP HDCVI IR Bullet Camera Cynics 2MP Motorized IR IP Dome.CNC-4335-M-II C1000-24FP-4G-L. Cisco Catalyst 1000 Series Switches. #ASIP Connect EL70S. Elid Converter LH100.AMPERES 100W 100V Tunnel / Long Throw Horn Speaker