Technical Specification Model No : MA-8U Description : Omnidirectional Digital Array Microphone Features: 1. Digital Array Microphone, Long Distance Voice Pickup, 8-meter distance voice pickup. 2. Intelligent Voice Tracking. Adaptive blind beamforming technology provides adaptability to different sound environments 3. Multiple Audio Algorithms, High Quality of Sound. Using proprietary technologies including intelligent noise reduction, echo cancellation and reverberation suppression to ensure clear sound quality and comfortable communication. 4. Simply Installation, Plug and Play. Using standard USB2.0 and 3.5 mm audio interface, zero configuration design, plug and play. Essential details Type : Audio Conference System, Network Conference System, Video Conference System, Digital microphone array Brand Name : Driger Model Number : MA-8U Product Name : Ceiling USB Microphone VHD-M700 for Classroom Distance Learning Color : Black/Grey Application : Audiovisual Project Interface : USB Suitable for : Classroom; meeting room Warranty : 1 Year General Power Input : USB 5V Dimension : Φ 130mm x H33mm Net Weight : 150g Audio Parameter Microphone Type : Digital Array Microphone Microphone array : Built-in 7 mics to form a circular array microphone Pickup Distance : 8m Sensitivity : -26 dBFS Signal Noise Ratio : 64 dB(A) Frequency Response : 20Hz - 16kHz USB Protocol : Support UAC Automatic Echo Cancellation (AEC) : Support Automatic Noise Suppression (ANS) : Support Automatic Gain Control (AGC) : Support Hardware Interfaces Audio Input : 1 x 3.5mm line in Audio Output : 2 x 3.5mm line out USB Interface : USB audio interface (Type-B), support UAC1.0 protocol, audio data communication, software upgrade and parameter configuration