MB QUART Formula FA2-400.4 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 cable size
Model
and fusing
It is critical to use the proper power
FA2- 400.4
and ground cable. Select the size
FA2-900.5
listed here for your amplifier model.
FA2-1000.1
Always use high quality copper
FA2-1500.1
cable. Visit our website for multi amp
system cable recommendations.
FA2-2000.1
Be sure to use the proper fuse size
for each model.
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!
Negative Power
5
Fuse Size Cable Size
Connection
External 40A
Attach the chassis ground
External 100A
4ga
cable to the amplifier
External 80A
negative terminal. It is
External 100A
important to make sure this
External 125A
connection is very tight.
Remote Turn-on
6
Connection
Attach the remote turn on
wire to the amplifier remote
output of the source unit.
Positive Power
7
Connection
Attach the main power cable
to the amplifier +12V. The
cable must run directly to
the battery and be properly
fused and be very tight.
Signal Input
8
Connection
Connect the RCA cables to the
coordinating RCA input number
that will match the speaker
outputs number.
9 Turn on Mode
REM turn on (Remote wire turn on)
when using High Level Input
- DC turn on
- Signal Sense turn on
NOTE - If the RCA's are plugged into the amplifier and the TURN ON MODE is in the
DC ON position, the amplifier will NOT turn on. Please re-read QR document above or
hire a professional installer.
Bare metal
Auto-Sense
SPEAKER SPEAKER
MODE
Technical Guide
REM DC SIGNAL
ON ON ON
Speaker
10
Connections
Using spade terminals,connect
the speaker cables to the speaker
output connectors. Follow the
diagram below that best fits your
speaker configuration.
Stereo Bridged
SPEAKER SPEAKER SPEAKER
SPEAKER SPEAKER SPEAKER
Monoblock Monoblock
single woofer
Positive Battery
11
Connection
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
to enter your radio / source unit code.
Re-connect
12
Negative Battery
Terminal
Re-connect the negative
battery terminal making sure it
is securely tightened.
SPEAKER
MODE
SPEAKER
MODE
REM DC SI
ON ON
REM DC SI R
ON ON
multiple woofers