Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System
$ 399.99

$ 709.99

Pure Resonance Audio Micro20™ Amplified 2.4G Digital Wireless Collar Microphone System

High-Performing Versatility

Fill your learning environment with crystal-clear sound from the Pure Resonance Audio Micro20 amplified 2.4G digital wireless microphone system. The Micro20 includes a 2.4G wireless receiver and a lightweight neck-worn collar microphone. This easy-to-install wireless system provides high-performance audio quality - protecting your voice while improving audience comprehension. Our sound system is perfect for classrooms, k-12 environments, school lecture halls, study halls, and labs, as well as other instructional environments, AV flex rooms and media rooms, conferences, and meeting rooms.

The Perfect Solution to Stop Vocal Strain

Our wireless wearable microphones help protect your vocal chords by eliminating the strain caused by projecting your voice all day long. Lightweight, stylish and comfortable, the Micro20 system offers maximum versatility and freedom of movement. Designed specifically for use in educational spaces, this hands-free system allows for focused interaction with students. Each microphone includes a built-in rechargeable lithium battery with a working time of more than four hours.

Clarity and Reliable Connection in One

The Micro20 Wireless Microphone System is unlike any other system in the market. We have developed a uniquely-programmed system that solves traditional wireless microphone transmission problems and minimizes frequency interference. Our patented microphone technology maintains a constant 360° connection to the receiver, eliminating line-of-sight signal loss and interruptions. No matter how much you move around or what direction you’re facing, our 2.4 GHz microphone always stays connected for clear, stable audio.

  • Easy to use high-intelligibility neck worn mic for personal comfort
  • 2.4GHZ microphones maintain a constant 360° connection to the receiver
  • Proprietary-programming solves traditional wireless microphone transmission problems
  • Microphones automatically search available frequencies and then link using a unique ID code with automatic connection lock
  • 2.4GHZ transmission minimizes frequency interference and eliminates RF feedback using two-way 2.4G shortwave frequency hopping
  • Microphone sync takes less than 5 seconds
  • Working distance of approximately 50’
  • The receiver contains an amplifier providing 20 watts output per channel x 2 channels at 8 ohms
  • Includes a built-in rechargeable 3.7V polymer lithium battery with a working time of 4+ hours
  • Built-in low-voltage alarm and charging indicator
  • Energy saving battery charger shuts down automatically when batteries are fully charged
Wireless Teaching System
Frequency Range 2.4 - 2.483GHz
Modulation System DSSS
Linking ID code, automatic connection lock
Data Transmission Two-way 2.4G shortwave frequency hopping
Sensitivity -82dBm (1%BER)
Working Distance Approximately 50' (10-20 meters)
Temperature Range -30° to 50°C
Shipping Weight 3.30 lbs (1.5 kg)
Wireless Receiver
Frequency Response 50Hz - 18KHz
SNR 110dB
THD 0.5%
Line Level Output .775 – 1Vpp rms
Amplifier Output 20 watts x 2 channels @ 8 Ω
Power DC12V/500mA
Dimensions (H x W x D) 5.125” (130.18 mm) x 4.56” (115.83 mm) x 1.5” (38.1 mm)
Net Weight 1.05 lbs (0.477 kg)
Wireless Collar Microphones
Frequency Response 50Hz - 16KHz
Transmitted Power 2.5mW
Connection Time <5 seconds
SNR 80dB
Working Current 70mA
Working Time 6 hours
Power Supply 3.7V polymer lithium-ion rechargeable battery
Battery Capacity 500mAH
Dimensions (W X D) 4.875” (123.83 mm) x 3.3125” (84.14 mm)
Boom Mic Length 5.5” (139.7 mm)
Boom Mic Diameter 0.375” (9.525 mm)
Net Weight 0.10 lbs (0.045 kg)
  • (1) Micro20R 2.4G Wireless Receiver
  • (1) Micro20TC Neck-Worn Collar Microphone
  • (1) Micro20PS Power Supply
  • (1) Micro20IC Microphone Charger