System Power ON
Teacher
Microphone
Active
Student
Microphone
Active
3.5mm
unbalanced
TRS (tip, ring,
sleeve) line
inputs
Balanced
Line Input
Remote Control Ports
(Future Implementation)
RS-232
Power/Status
Indicator LED
USB Port
Note: Volume levels on line
inputs can only be adjusted
via USB. Install and run the
GL-300 software before
connecting the USB.
Reset Button
Line Output
Press and hold the PWR button to turn
the microphone on or off.
A momentary press of the PWR button
will mute or unmute the microphone
audio. If muted for more than 5 minutes,
the microphone will turn off
automatically.
UP Volume
control button
DOWN Volume
control button
Charging the Microphone
Step 1. Position the Teacher Microphone with the
black back of the microphone facing towards you.
Step 2. Align the charger connector so that the
small triangle shaped arrow on the charging
connector faces you.
Step 3. Insert the connector into the microphone.
www.AudioEnhancement.com • 800.383.9362
Note: Individual volume
levels of the Teardrop
Microphone can be
adjusted with the UP and
DOWN volume buttons.
Input on the GL-300 can
be controlled via USB
which is mic1, mic2 and
Line mixed audio.
Front Panel Terminals
IR Satellite (TLD100)
Dome Sensor LED Indicators
GL-300 Amplifier
Quick-Start Manual
