SPEAKER
LINE
OUTPUT
INPUT
CH2
CH1
S
-
100V
100V
COM
-
+
+
-
S
+
+
-
88
COM
88
S
-
S
+
+
-
100V
100V
COM
-
+
+
-
88
COM
88
CH3
CH4
DC24V IN
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
AVIS:
RISQUE DE CHOC ELECTIRQUE
-NE PAS OUVRIR
NOTE THE POLARITY !
NO.
0 V
24 V
RoHS
AC POWER INPUT
230V 50~60 Hz
CAUTION
CH3
CH4
LEVEL
CONFIG SELECTION
CH1 ~ 4
1 2 3 4
CH1
CH2
CH1 ~ 4
1 2 3 4
STANDBY :
ON Auto standby
OFF Shut down
HPF:
ON 20-20KHz
OFF 70-20KHz
HPF
STANDBY
Parts Identifications
Rear View DP4240
Front View DP4240
4
2
1. CHANNEL 1, 2, 3 & 4 LED INDICATION
LED indicator to Standby / Prot, Clip, Input and Output.
2. POWER INDICATOR
This LED will lit once the unit has been powdered.
3. POWER SWITCH
6. DC 24V INPUT
The unit operates on 24V DC. It is preferred that the unit to be supplied directly from the uninterrupted power source.
ie: Back up batteries. Batteries connections must be installed properly to avoid fire. Please refer to battery charger
installation manual for details.
5. MAIN AC POWER CORD
The unit has been preset to operate under 220V - 240V AC main supply unless otherwise specified.
PAGE 2
DP2240 / 4240 | MULTICHANNEL POWER AMPLIFIER
CLIP
STANDBY/PROT
INPUT
OUTPUT
CH 1 CH 2
CH 4
CH 3
POWER
4 X 240W CLASS-D POWER AMPLIFIER
DP 4240
amperes
POWER
O
I
3
1
5
6
8
9
12
10 11
7
For switching mains AC supply and the corresponding LED shall lit accordingly.
4. FRONT VENT FAN
External cool air enters the unit from these vent holes. Please ensure that there is sufficient clearance for ventilation.
7. BACK VENT FAN
The vent fan draws internally generated hot air and dispersed by fans outwards. The fan has dual speed which is
determined by the internal heat sink temperature.
