A-TECH MA800 Manual de instalación - Página 6

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4.4 Recommendations for Installation in Large Classroom

4.4.1 MA800 Microphone Installation

1） Installation Height: The recommended height from the ground is about 2.6M.

2） Installation Method: boom hoisting

3） Installation Position: horizontally centered, 1.8M-2.0M away from the blackboard wall, with the

microphone panel facing the podium area, focusing on picking up the teacher's lecture in the podium

area.

4.4.2 Speaker Installation

1） Installation Height: the recommended height from the ground is 2.2M-2.4M

2） Installation Method: bracket wall mounting

3） Installation Position: The speakers are recommended to be installed on the left and right sides of

the classroom, 1/3 and 2/3 respectively. The nearest speaker is more than 3 meters away from the

microphone in a straight line. Avoid blocking in the middle to avoid affecting the microphone sound

field learning, and face the oblique rear area. Emphasis is on the complement of students in the rear

area.

Note: When using two pairs of active speakers, the audio signal can be connected to the two output

ports of the microphone SPK-OUT and AEC-OUT respectively.

4.4.3 Power Amplifier Installation

The power amplifier can be installed above the side wall door first. On the one hand, it is convenient for the

microphone lead to the power amplifier, and at the same time, it is convenient for the switch wiring. If the

on-site power amplifier needs to be placed in a cabinet, etc., the wiring can be adjusted according to the on-

site situation.

4.4.4 Socket Installation

1）When using active speakers, you can choose a socket panel with a USB socket, which can be

installed above the side door. On the one hand, it is convenient for the microphone lead to the amplifier,

and at the same time, it is convenient for the switch wiring. Active speakers can extend the 220V end

power cord to the socket.