Macrom M2A450 User Manual
High Level
Input
Low Level
Input
Gain Control Adjust
2ch or 4ch
selector
Flat Response
Low pass
filter control
4ch
2ch
8V 0,2
1V
Input front
Left
Right
1
30
600
150Hz
Flat
High
Control / Filter
FRONT
- Mode -
High Input
Level
R +
R -
L L +
GND
4ch
2ch
8V 0,2
1V
Input front
Input Rear
Left
Right
Left
Rig
30 600
150Hz
30 600
150Hz
Flat
High
Flat
Low
Control / Filter
FRONT
- Mode -
Filter / Control
REAR
High Input
Level
R +
R L L +
GND
High Input
Level
R +
R L L +
GND
8V
1V
High Input
Level
R +
R L L +
GND
R+
R -
L -
L+
GND
4 ch
2ch
4 ch
2ch
M2A.450
4ch
2ch
Input Rear
Left
Rig
30 600
150Hz
Flat
Low
- Mode -
Filter / Control
REAR
High Input
Level
R +
R -
L -
L +
GND
8V
1V
Input setting
Front Filter setting
Rear Filter setting
Flat Response
High pass
filter control
Input
Left
Right
8V 0,2V
1V
8V
0,2V
4V 0,2V
1V
30 600
150Hz
Flat
Low
Control / Filter
4V 0,2V
1V
30 600
150Hz
Flat
Low
Control / Filter
20Hz20Hz
20kHz
30Hz 600Hz
20Hz20Hz
20kHz
30
600
30 600
150Hz
or
30
600
30 600
150Hz
4V 0,2V
1V
30 600
150Hz
Flat
High
Control / Filter
20Hz20Hz
20kHz
20Hz20Hz
20kHz
30Hz 600Hz
4V 0,2V
1V
30 600
150Hz
Flat
High
Control / Filter
Illustration Guide
For more informations <www.macrom.ch>
FRONT
High Input
Level
R +
R L L +
GND
R+
R -
L -
L+
GND
Input
Left
Right
REAR
or
High Level
Input
Low Level
Input
4 CHANNEL POWER AMPLIFIER
M2A.450
R
-
+
+
L
-
Bridged
-
+
Power Terminal
Fuse
+BATT
-GNDRemote
20A20A
Speaker Output
FRONT
REAR
Stereo
Bridged
Output/Power connection
Left
Right
+
-
+
-
FRONT
R
-
+
+
L
-
B
rid
g
e
d
-
+
Speaker Output
Bridged
-
+
FRONT
R
-
+
+
L
-
B
rid
g
e
d
-
+
Speaker Output
+
-
CAR CHASSIS
P
o
w
e
r T
e
rm
in
a
l
+BATT
-GNDRemote
CAR CHASSIS
Power connection
or
Technical Data
IHF max power handling 800 Watts
Configuration “2 - 3 - 4”
RMS Power 4 ohm Stereo load at 14,4 V 50 x 4 watts
RMS Power 2 ohm Stereo load at 14,4 V 70 x 4 watts
RMS Power 4 ohm Bridged load 140 x 2 watts
Frequency response (+0/-1 dB) 10 - 45,000 hz
Signal to noise ratio >95 db
Input sensitivity 200 - 8,000 mV
Input impedance 22.000 ohm
Crossover tipe variable
Crossover frequency & filter slop (High-pass) 30 to 600/12 Hz/dB
Crossover frequency & filter slop (Low-pass) 30 to 600/12 Hz/dB
Dimensions (w * h * d) 265 x 50 x 285 mm
Illustration Guide
For more informations <www.macrom.ch>
Min load 2ohm
Min load 4ohm
+
R
-
+
+
L
-
B
rid
g
e
d
-
+
Speaker Output
-
REAR
Bridged
Left
Right
+
-
+
-
REAR
R
-
+
+
L
-
Bridged
-
+
Speaker Output
4 CHANNEL POWER AMPLIFIER
AMP
Speaker output
+
-
+
-
4 ohm
One 4 ohm
speaker
OK
AMP
Speakers output
+
-
+
-
4 ohm
4 ohm
4 ohm
3 or more
4 ohm speakers
NOT OK
AMP
Speakers output
+
-
+
-
4 ohm
4 ohm
Two 4 ohm
speakers
OK
AMP
Speaker output
+
-
+
-
2 ohm
One 4 ohm
speaker
NOT OK
IMPEDANCE REQUIREMENT
2 OHM MINIMUM
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