CLM280 is a high-performance full-coverage pickup microphone for classroom recording & playback and remote interactive scenarios. Single CLM280 is with pickup radius of 8 meters, and dual CLM280s cover 120 square meters in a conference or classroom. Lecturers or masters can speak in 2-8 meters from CLM280 without affecting the pickup effect by adopting large-size and professional-grade acoustic transducers to capture a wide dynamic range and collect a rich and full-bodied sound. Furthermore, CLM280 keep sound balanced, high fidelity, high sensitivity and low noise by its excellent sense of hearing wide collection frequency response and advanced field effect techniques achieving a high signal-to-noise ratio. CLM280 definitely is a high audio quality solution for teleconference, education and training.