Macrom M2A.4000MKII User Manual (English) - Page 5

SPEAKERS, Power, Remote, input, jacks, level, inputs, LEVEL, Control, frequency, control, M2A.

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1. SPEAKERS Connect speakers/subwoofers to these terminals. Be sure to check wire for proper polarity. Never connect the speaker cables to chassis ground. 2. +12 Volt Power Connect this terminal through a FUSE or CIRCUIT BREAKER to the positive terminal of the vehicle battery or the positive terminal of an isolated audio system battery. Warning: Always protect this power cable by installing a fuse or circuit breaker of the appropriate size within 18 inches (45cm) of the battery terminal connection. 3.Remote Turn On This terminal turns on the amplifier when (+)12 volt is applied to it . Connect it to the remote turn on lead of the head unit or signal source. 4.GND Connect this cable directly to the frame of the vehicle. Make sure the metal frame has been stripped of all paint down to the bare metal. Use the shortest distance possible. It is always a good idea to replace the factory ground at this time with a larger cable equal to the new amplifier power cable or larger. CAUTION: Do not connect this terminal directly to the vehicle battery ground terminal or any other factory ground points. 5. RCA input jacks These RCA input jacks are for use with source units that have RCA outputs. A source unit with a minimum level of 200mV is required for proper operation. The use of high quality twisted pair cables is recommended to decrease the possibility of radiated noise entering the system. 6. High level inputs The high level inputs are for use with speaker level wiring. Some source units do not have RCA outputs, so use this terminal for speaker level signal input. 7. LEVEL Control The level control will match the amplifiers sensitivity to the source units signal voltage. The Operating range is 6V to 200mV. This is NOT a volume control 8.X-over mode and frequency control (M2A.2000MK2) There is an option for low pass, flat or high pass. In LP mode, the frequency range can be adjusted from 30Hz to 600Hz or from 300Hz to 6KHz when press button out/in for X1/X10. In HP mode, the frequency range can be adjusted from 30Hz to 600Hz or from 300Hz to 6KHz when press button out/in for X1/X10. In flat mode, the filters are "OFF". 9.X-over mode & HPF and frequency control(M2A.4000MK4) The CH1/CH2 channels only have high pass filter, the frequency range is from 15Hz to 600Hz. The CH3/CH4 channels have low pass, flat and high pass option, In LP mode, the frequency range can be adjusted from 30Hz to 600Hz. In HP mode, the frequency range can be adjusted from 30Hz to 600Hz. In Flat mode, the filters are "OFF". 4

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1.
SPEAKERS
Connect
speakers/subwoofers
to
these
terminals.
Be
sure
to
check
wire
for
proper
polarity.
Never
connect
the
speaker
cables
to
chassis
ground.
2.
+12
Volt
Power
Connect
this
terminal
through
a
FUSE
or
CIRCUIT
BREAKER
to
the
positive
terminal
of
the
vehicle
battery
or
the
positive
terminal
of
an
isolated
audio
system
battery.
Warning:
Always
protect
this
power
cable
by
installing
a
fuse
or
circuit
breaker
of
the
appropriate
size
within
18
inches
(45cm)
of
the
battery
terminal
connection.
3.Remote
Turn
On
This
terminal
turns
on
the
amplifier
when
(+)12
volt
is
applied
to
it
.
Connect
it
to
the
remote
turn
on
lead
of
the
head
unit
or
signal
source.
4.GND
Connect
this
cable
directly
to
the
frame
of
the
vehicle.
Make
sure
the
metal
frame
has
been
stripped
of
all
paint
down
to
the
bare
metal.
Use
the
shortest
distance
possible.
It
is
always
a
good
idea
to
replace
the
factory
ground
at
this
time
with
a
larger
cable
equal
to
the
new
amplifier
power
cable
or
larger.
CAUTION:
Do
not
connect
this
terminal
directly
to
the
vehicle
battery
ground
terminal
or
any
other
factory
ground
points.
5.
RCA
input
jacks
These
RCA
input
jacks
are
for
use
with
source
units
that
have
RCA
outputs.
A
source
unit
with
a
minimum
level
of
200mV
is
required
for
proper
operation.
The
use
of
high
quality
twisted
pair
cables
is
recommended
to
decrease
the
possibility
of
radiated
noise
entering
the
system.
6.
High
level
inputs
The
high
level
inputs
are
for
use
with
speaker
level
wiring.
Some
source
units
do
not
have
RCA
outputs,
so
use
this
terminal
for
speaker
level
signal
input.
7.
LEVEL
Control
The
level
control
will
match
the
amplifiers
sensitivity
to
the
source
units
signal
voltage.
The
Operating
range
is
6V
to
200mV.
This
is
NOT
a
volume
control
8.X
-over
mode
and
frequency
control
(M2A.2000MK2)
There
is
an
option
for
low
pass,
flat
or
high
pass.
In
LP
mode,
the
frequency
range
can
be
adjusted
from
30Hz
to
600Hz
or
from
300Hz
to
6KHz
when
press
button
out/in
for
X1/X10.
In
HP
mode,
the
frequency
range
can
be
adjusted
from
30Hz
to
600Hz
or
from
300Hz
to
6KHz
when
press
button
out/in
for
X1/X10.
In
flat
mode,
the
filters
are
"OFF".
9.X
-over
mode
&
HPF
and
frequency
control(M2A.4000MK4)
The
CH1/CH2
channels
only
have
high
pass
filter,
the
frequency
range
is
from
15Hz
to
600Hz.
The
CH3/CH4
channels
have
low
pass,
flat
and
high
pass
option,
In
LP
mode,
the
frequency
range
can
be
adjusted
from
30Hz
to
600Hz.
In
HP
mode,
the
frequency
range
can
be
adjusted
from
30Hz
to
600Hz.
In
Flat
mode,
the
filters
are
"OFF".