Autotek MM1020.4 Quick Start Installation Manual

Before you start

CAUTION
Many new and factory radios require a reset code when
disconnected from battery power. This is an anti-theft
feature. Before unplugging power, you must determine if
your radio/source unit requires a reset code. Check the
operation manual for your vehicle or contact the dealer.
Power / Ground
Model
cable size
MM820.2
MM1020.4
It is critical to use the proper
MM1220.2
power and ground cable. Select
MM1620.4
the size listed here for your
MM2020.1D
amplifier model. Always use high MM2020.2
MM2020.4
quality copper cable.
MM2520.2
MM3020.1D
Cable size recommendations for
MM4020.1D
multi amp systems are available
MM4020.4
on our website.
Installation
Disconnect
1
negative battery
terminal
Place terminal in a secure
position so that it won't
accidentally contact the
negative battery post
Run Cables
2
Properly route power,
speaker and RCA cables
through the vehicle.
Mount Amplifier
3
Choose a mounting location
that will provide adequate air
ventilation. Mount the amplifier to
a secure surface. Do not mount
the amplifier upside down.
Chassis Ground
4
The chassis ground connection
is critical to the performance
of the amplifier. Choose a
location that is close to the
amplifier. Completely scrape
away the paint and use a nut
and bolt if possible.
DO NOT USE AN EXISTING
FACTORY BOLT!
Fuse Size Cable Size
Power
5
Connections
30A x 1
15A x 2
35A x 1
20A x 2
60A x 1
4ga
Using spade terminals, connect the
30A x 2
25A x 2 +12V to the power cable from the
35A x 2
battery, the REM to the source unit
80A x 1
turn-on wire and the GND to the
60A x 2
chassis ground..
40A x 2
Signal Input
6
Low Level RCA
Connect the RCA cables to
the INPUT connectors. The
OUTPUT can be used to
provide input for a second
amplifier.
Signal Input
7
High Level
The HI INPUT is for use with
source units that do not offer
RCA outputs. Use the supplied
harness to connect to the
source unit's speaker output.
Level Control
8
Turn the LEVEL control completely
counter-clockwise to minimum.
Bare metal
LEFT
SPEAKER
LEFT
Connect to factory speaker wire directly
SPEAKER
Right + (gray) 4CH REAR
Ch3 Right + (orange)
Right - (brown)
Ch3 Right - (pink)
Chassis ground (black)
Chassis Ground (black)
Left - (green)
Ch4 Left + (blue)
Left + (white)
Ch4 Left - (yellow)
CH1
INPUT INPUT
SPEAKER
LEVEL LEVEL SUBSONIC SUBSONIC
9V 0.2V 6V 0.2V 15 35Hz 10
PHASE LPF LPF
Speaker
9
BRIDGED
LEFT RIGHT
Connections
Using spade terminals,connect
SPEAKER
the speaker cables to the speaker
SPEAKER OUTPUT
output connectors. Follow the
diagram below that best fits your
speaker configuration.
Stereo
BRIDGED
LEFT RIGHT
BRIDGED
LEFT RIGHT
SPEAKER OUTPUT
SPEAKER
SPEAKER OUTPUT
BRIDGED
CH1 CH2 CH3
Monoblock Monoblock
single woofer
BRIDGED
BRIDGED
LEFT RIGHT
RIGHT
SPEAKER OUTPUT SPEAKER
SPEAKER OUTPUT
SPEAKER OUTPUT
OUTPUT
BRIDGED
BRIDGED
CH1 CH2
RIGHT
Positive Battery
10
Connection
SPEAKER OUTPUT
OUTPUT SPEAKER OUTPUT
Connect the power cable to the
positive battery terminal. The
power cable must be fused
within 18 inches of the battery
terminal.
Be prepared to disarm your vehicle's alarm and
BRIDGED BRIDGED
to enter your radio / source unit code.
CH2 CH3 CH4 CH3
Re-connect
11
Negative Battery
XOVER MODE
Terminal
OUTPUT SPEAKER OUTPUT SPEAKER
Re-connect the negative
battery terminal making sure it
FULL HP MONO STEREO
is securely tightened.
LP
40Hz
XOVER MODE
LPF
BRIDGED
LEFT
OUTPUT
SPEAKER
Bridged
BRIDGED
LEFT RIGHT
SPEAKER
OUTPUT SPEAKER
SPEAKER OUTPUT
SPEAKER OUTPUT
SPEAKER
BRIDGED BRIDGED
BRIDGED
CH4 CH3 CH4
LEFT RIGHT
multiple woofers
BRIDGED
LEFT RIGHT
OUTPUT SPEAKER OUTPUT
SPEAKER OUTPUT SPEAKER
SPEAKER OUTPUT
SPEAKER OUTPUT
BRIDGED BRIDG
CH1 CH2 CH3
BRIDGED BRIDG
CH3
CH3 CH4
SPEAKER OUTPUT
SPEAKER OUTPUT SPEAKER
SPEAKER OUTPUT SPEAKER
SPEAKER OUTPUT
BRIDGED
CH4
OUTPUT