360-Degree Sound Source Localization Microphone Board Applied in Ai Robot Video Conferencing

• Customization: Available
• Style: Headset Microphone
• Application: Music, Voice, Recording, Meeting, Measurement
• Model NO.: 360 degree
• Signal Transmission: Wired
• Directivity: Omni-direction
• Sound Channel: Stereo
• Transducer Principle: Electrodynamic Microphone
• Sound Field Force: Line Column Type
• Connector(s): XLR 5 Pin
• Wireless Technology: UHF
• Output Impedance: 50-1000Ω
• Microphone Type: Omnidirectional Ring Array Microphone
• Number of Digital Wheat: 5mic Array Microphone
• The Farthest Pick-up Distance: 2 Meters Is Best,5 Meters Is Okay
• Audio Capture Rate: 48kHz @16bit
• Sensitivity (Sensitivity): -26 ± 1db
• Snr (Signal-to-Noise Ratio): 65 Db (a)
• Aop (Acoustic Overpressure): External Human Voice Pressure ≥120 Db Spl
• ND (Noise Reduction): ≥20db
• Directivity (Directivity): Omnidirectional 360°
• Structure Size: Dia:77mm
• Power Consumption: 1W5V, 220mA
• USB Power Supply Voltage: 5V ± 5%
• Transport Package: Carton Box
• Specification: DIA: 77MM
• Trademark: hstd
• Origin: China
• HS Code: 8525891200
• Package Size: 20.00cm * 10.00cm * 6.00cm
• Package Gross Weight: 0.180kg

Product Description

Sound source positioning the ring matrix microphone

The array microphone board has a built-in circular 5-way microphone array algorithm, including echo cancellation, speech enhancement, sound source localization, noise suppression and automatic gain algorithms. It can realize omnidirectional sound source localization and calculate the angle and azimuth coordinates of the human voice, which is very suitable for the sound pickup function requirements of application fields such as human-computer interaction and AI smart devices.
Product Features :
1.USB 2.0 interface;
2.Ring matrix microphone;
3. 360° omnidirectional sound pickup; sound source positioning, LED indication direction; support 12C coordinate output; 4.Suitable for intelligent robots, AI artificial intelligence equipment and other scenarios:
 

Category	Specification
Product Model	HK-QXMIC-V1.0+
Microphone Array Type	Circular (Ring) Array
Number of Microphones	5 (Five MEMS microphones arranged in a ring)
Pickup Range	Up to 2 meters
Pickup Angle	360° omnidirectional
Sound Source Localization	Yes - Real-time Direction of Arrival (DOA) detection
Direction Output	Polar angle (0°-360°) via I²C interface; visual indication via LED ring
Audio Interface	USB 2.0 Full Speed
Audio Protocol	UAC 1.0 (USB Audio Class 1.0) - driver-free on Windows, Linux, macOS, Android
Sample Rate	16 kHz
Bit Depth	16-bit
Audio Channels	Mono (processed beamformed output)
Signal Processing	Built-in DSP with: • Acoustic Echo Cancellation (AEC) • Noise Suppression (NS) • Automatic Gain Control (AGC) • Voice Activity Detection (VAD)
LED Indication	12-LED ring showing real-time sound source direction
Power Supply	USB bus-powered (5V ±5%)
Power Consumption	≤ 100 mA @ 5V
Communication Interface	I²C (for DOA angle data output)
Operating System Support	Windows 7/10/11, Linux, macOS, Android (OTG compatible)
Dimensions	Φ70 mm × 15 mm (Diameter × Height)
Mounting	PCB with mounting holes; suitable for integration into robots, kiosks, or panels
Typical Applications	AI service robots, smart voice terminals, interactive education devices, video conferencing systems, voice-controlled IoT devices