Home Corporate Products News Support Contact Us comm IR Microphone Education System - CWB-32 Introduction comm CWB-32, the IR Microphone Education system is the most effective solution for Educational schools where individual rooms are to be equipped with powerful sound systems. - Transmitting Range up to 10 metres (Subject to site conditions) - Using External Infrared Sensor to effectively enlarged the transmitting area - Tone Code Security, Compession Circuit to prevent interferances Features Infrared technology Dual Channel No interferences between rooms (wireless transmission) Strong 50W power output (max) Independent System - works on its own Easy to Install - wall-mountable Provisions for additional cable mic & auxiliary inputs For Indoor Use Technical Specification   General Modulation : FM Frequency Response : 50Hz ~ 15KHz ± 3dB SNR : ≥ 80dB Power Output : 50W (max) Distortion : less than 1%       Infrared Receiver Receiving Frequency : 2.35MHz or 2.85MHz AF Output : 650mV AF 1KHz Dimensions : (L) 270 x (W) 121 x (H) 307 (mm)       Infrared Microphone Transmitting Frequency : 2.35MHz or 2.85MHz Transmitting Range : 10m *(depends on site conditions) Battery : 4 x 1.2V rechargeable batteries Current Consumption : 240mA       All products information and specifications are subject to changes without prior notice.