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4
Mark new pilot-hole locations if necessary, and remove the
device from the mounting surface.
5
Drill the remaining pilot holes.
6
Secure the device to the mounting location.
Removing the Cover
You must remove the cover to reach the connectors and
configuration controls on the amplifier.
1
Using the included 3 mm hex key, remove the screws that
secure the cover to the amplifier.
2
Lift the cover off of the amplifier and set it aside until after you
have finished making all of the connections and configured
the amplifier.
Connection Considerations
The wiring (not included) from the battery to the amplifier must
run through an inline fuse or circuit breaker (not included) as
close to the battery as possible. You must connect the positive
wire to the fuse or circuit breaker. Connecting the amplifier to
power without an inline fuse or circuit breaker may result in a fire
if there is a short in the cable.
You must turn off the audio system before making any
connections to the amplifier. Failure to turn off the audio system
may result in damage to the audio system.
All terminals and connections must be protected from contact
with the vessel chassis and with each other. Improper terminal
or wire contact may result in damage to the audio system.
• You must first connect the amplifier to ground before making
any other wiring connections
page
2).
• You must connect the positive wire to the battery only after
you have completed all other wiring to the amplifier.
• If your stereo does not have a remote turn-on signal wire, you
must connect the amplifier to a switched power source.
Port Identification
Fuses. See the product specifications for replacement details.
POWER and PROT (protection) LED indicators
page
5)
Zone 1 speaker terminals
Zone 1 RCA input
Power, ground, and amplifier turn-on terminals
Zones 2 and 3 RCA inputs
Zones 2 and 3 speaker terminals
Connecting to Power
You must connect the power wire to the battery through an in-
line fuse or a circuit breaker.
You must use the appropriate gauge of wire (not included) to
connect the amplifier to power and ground, based on the total
amperage and the length of the cable run
Guide, page
2).
1
Route the appropriate gauge of wire to the amplifier and to a
ground location on the boat.
2
Using the included 3 mm hex key, connect the ground wire to
the GND terminal on the amplifier.
2
NOTICE
(Connecting to Power,
(Troubleshooting,
(Power Cable Gauge
3
Connect the other end of the ground wire to the ground
location on the boat.
4
Route the appropriate gauge of wire to the amplifier and to
the boat battery, and select an option:
• Install a properly rated in-line fuse on the power wire as
close to the battery as possible.
• Identify or install a circuit breaker, as close to the battery
as possible, for use with the amplifier power wire.
You must not connect the power wire to the amplifier and
battery or circuit breaker before you complete all of the other
connections. Connecting the amplifier to power before you
complete all of the other connections may cause damage to
your audio system.
5
Select an option:
• If your stereo has an amplifier turn-on wire, route a
2
20 AWG (0.52 mm
) wire from the amplifier turn-on wire
on the stereo to the amplifier.
NOTE: The amplifier and the stereo must connect to the
same physical ground location for the amplifier turn-on
signal to function properly.
• If your stereo does not have an amplifier turn-on wire,
route a 20 AWG (0.52 mm
terminal of the battery, through a switch, to the amplifier.
6
Using the included 2.5 mm hex key, connect the 20 AWG
2
(0.52 mm
) wire to the REM terminal on the amplifier.
Make all of the other connections to the stereo and speakers
before completing the connection to power
Connections, page
4).
Power Cable Gauge Guide
You should use 4 AWG (21.1 mm
your total amperage is higher than 50–65 A, and your cable run
is longer than 10–13 ft (3–4 m), you can use these tables to
determine if you need to use a larger gauge of wire. This table
accounts for terminal connection resistance.
NOTE: If you are using aluminum wire, you should use a wire
two gauges larger than the gauge listed below to compensate
for a potential voltage drop due to the wire material.
Total Amperage 0––4 ft.
(0–1.2 m)
85–105 A
4 AWG
2
(21.1 mm
105–125 A
4 AWG
2
(21.1 mm
125–150 A
2 AWG
2
(33.6 mm
Total Amperage 13–16 ft.
(4–4.9 m)
50–65 A
4 AWG
2
(21.1 mm
65–85 A
2 AWG
2
(33.6 mm
85–105 A
2 AWG
2
(33.6 mm
SG-DA61500/SG-24DA61500 Signature Series Installation Instructions
NOTICE
2
) wire from the positive
(Completing the
2
) wire for most installations. If
4–7 ft.
7–10 ft.
(1.2–2.1 m)
(2.1–3 m)
4 AWG
4 AWG
2
2
)
(21.1 mm
)
(21.1 mm
)
4 AWG
4 AWG
2
2
)
(21.1 mm
)
(21.1 mm
)
2 AWG
2 AWG
2
2
)
(33.6 mm
)
(33.6 mm
)
16–19 ft.
19–22 ft.
22–28 ft.
(4.9–5.8 m)
(5.8–6.7 m)
(6.7–8.5 m)
4 AWG
4 AWG
2 AWG
2
2
)
(21.1 mm
)
(21.1 mm
)
(33.6 mm
2 AWG
2 AWG
0 AWG
2
2
)
(33.6 mm
)
(33.6 mm
)
(53.5 mm
2 AWG
2 AWG
0 AWG
2
2
)
(33.6 mm
)
(33.6 mm
)
(53.5 mm
10–13 ft.
(3–4 m)
2 AWG
2
(33.6 mm
)
2 AWG
2
(33.6 mm
)
0 AWG
2
(53.5 mm
)
2
)
2
)
2
)
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