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Public Address System
Multi-channel Digital Amplifier
DA2125
DA2250
DA2500
DA4060
DA4125
DA4250
PRO
LIM
CLP
SIG
70V
0
1
2
3
4
5
6
7
8
9
10
CH1
Digital Power Ampllfier DA4XXX
ON
OFF
POWER
PRO
LIM
CLP
SIG
70V
0
1
2
3
4
5
6
7
8
9
10
CH2
PRO
LIM
CLP
SIG
70V
0
1
2
3
4
5
6
7
8
9
10
CH3
PRO
LIM
CLP
SIG
70V
0
1
2
3
4
5
6
7
8
9
10
CH4
User's Manual
Welcome to use DSPPA public address system, please read the User's Manual carefully first for better use.
G u a n g z h o u D S P P A A u d i o Co. , Ltd.
http://www.DSPPA.com
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The Manual will be available since the date when the development of multi-channel digital
amplifier is completed. The Manual describes the features, precautions, system connections,
operating instructions, and other contents of the multi-channel digital amplifier, please read it
carefully before using, and operate as instructed by it.
All the descriptions marked with this mark are the precautions, please always use or operate
according to these descriptions.
Please keep the Manual properly for later use.
DAxxxx——V0.1
Facture 2016-01-28
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Matters needing attention
Please read the following before operating the product.
The following basic requirements must be strictly observed, to avoid potential personal injury and
equipment or property damages to you or any person nearby. The basic requirements include without
limitation to the following:
• Please disconnect the device from power source by
pulling the plug other than the power cord. Pulling the
power cord may result in damages.
• Please keep the power cord away from heat source.
Do not overbend the power cord or place it anywhere
it can be stepped on or may cause to trip.
• This is connected to power source via the plug and
any failure or danger occurs, the user can disconnect
the device from power source by pulling out the plug
out from the socket, therefore, it is required that the
power socket should be located somewhere with easy
access.
• The device is not completely disconnected from
power source when it is switched "OFF". For sake of
safety, please disconnect the device from the socket if
it is not in user.
• Please disconnect the device from power source
before relocating the device.
• For avoiding deformation of panels and damages to
internal components, please do NOT place the device
where there is heavy dust or violent vibration, or
where it is extremely cold or hot.
• Please keep this device off water drops or splash or
vase filled with water or any other articles of similar
nature.
• Please disconnect other equipment from
power source before they are connected to this
product. Please tune volume to its minimum level
before the device is powered ON or OFF.
• All terminals on the device marked with are live
and dangerous, and should be connected by trained
When abnormal conditions are realized
• Please disconnect the device from power source
immediately in case the power cord is worn or
damaged or if the sound is suddenly cut off or any
abnormal odor or smoke comes out from the device,
and then have the device inspected and repaired by
professional personnel.
• Please do NOT insert any finger into any gap or
• Please prevent foreign objects (paper, plastics or
metal etc.) from being inserted or falling into any gap
or opening of the device. In such case, please cut off
power source immediately.
• Please do NOT put the body or any heavy object on
the device and do NOT operate the buttons or
switches or connections with excessive force.
• Please do NOT remove the cover of the equipment,
otherwise you may get an electric shock.
• Do NOT attempt to remove any internal component
from the device, or to modify the equipment in
whatever manner. In case of any abnormal condition,
please stop using the device immediately and have it
inspected and repaired by professional personnel.
• Our company shall not be responsible for data loss
or damages due to improper use of unauthorized
modification to the device.
• The images and screen display in this Manual are
only for description and may be different from
screen images in actual operation. The screen
display depends on the product.