Brand: MCDevices
Model: A3/A4
PLL IR wireless microphone
A3 one channel
Features
• IR transmission, high confidentiality, PLL synthesized oscillator, stable frequency
• Be able to connect to any active speaker
• No frequency interference, suitable for multifunction room, multimedia classroom, meeting room, KTV box
• Excellent confidentiality, suitable for confidential department or national defense and military meetings
• Pilot frequency transmission, high anti-interference ability
• Single channel (A or B) / dual channel (A and B) available
• With power amplifying output, ready to use by connecting to a speaker, with volume control, tone adjustment function

Characteristics
PLL technology, with audio amplifying output, multiple shared channel, pilot frequency transmission, high anti-interference ability

A4 dual-channel
Features
• IR transmission, high confidentiality, PLL synthesized oscillator, stable frequency
• Be able to connect to any active speaker
• No frequency interference, suitable for multifunction room, multimedia classroom, meeting room, KTV box
• Excellent confidentiality, suitable for confidential department or national defense and military meetings
• Pilot frequency transmission, high anti-interference ability
• Single channel (A or B) / dual channel (A and B) available
• With integrated receiver, power amplifier and speaker, ready to use by plugging in power supply
• Good appearance with globose design, easy to install

Characteristics
PLL technology, integrated complete appliance and speaker box, good appearance, easy to install, two transmitters (3.8MHz & 4.5MHz) available simultaneously, pilot frequency transmission, high anti-interference ability,