Classroom Sound Reinforcement

ALM-B Classroom Teaching Amplifier (including PRE-4)

Classroom teaching amplifier with pre-main separation design, supporting campus PA signal mixing input.

・Adopts a separate pre-amp and power amp design, with classroom sound reinforcement power output reaching over 20W

・The metal pre-mixer panel can be installed independently directly below the blackboard or at a designated location.

・Normally used for classroom amplification, and mixed with broadcast input during announcements

・Pre-amp panel features 1 set of microphone and audio input jacks each, with independent volume knobs

・Can be configured as 2 mic inputs or 2 audio inputs, and supports parallel connection of 5 or more panels.

・Automatically powers on when a microphone or audio source is plugged into the front panel, and powers off when unplugged