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Connecting the Speaker Terminals
1. Expose the end of the speaker wires
using nippers or a cutter by about
10 mm (3/8 in.) and twist.
2. Attach lugs to speaker wire ends.
Lugs not supplied.
• Use pliers, etc., to crimp lugs to wires.
3. Connect the speaker wires to the
speaker terminals.
• Fix the speaker wires securely with the termi-
nal screws.
10 mm
Connecting the Unit
Connecting the Power Terminal
• Always use the recommended battery and ground
wire, which is sold separately. Connect the battery
wire directly to the car battery positive terminal
(+) and the ground wire to the car body.
• Recommended wires size (AWG:American Wire
Gauge) is as follows. The battery wire, the ground
wire and the optional direct ground wire must be
same size.
Battery Wire and Ground Wire Size
Wire Length less than 4 ft 4—7 ft 7—10 ft
less than 1.2 m 1.2—2.1 m 2.1—3.0 m
Wire Size 6 AWG 6 AWG 6 AWG
10—13 ft 13—16 ft 16—19 ft 19—22 ft
3.0—3.9 m 3.9—4.8 m 4.8—5.7 m 5.7—6.7 m
6 AWG 4 AWG 4 AWG 4 AWG
1. Pass the battery wire from the
engine compartment to the interior
of the vehicle.
• After making all other connections to the
amplifier, connect the battery wire terminal of
the amplifier to the positive (+) terminal of
the battery.
2. Expose the end of the battery wire
and ground wire using nippers or a
cutter by about 15–20 mm (5/8–3/4
in.) and twist.
3. Connect the wires to the terminal.
• Before connecting the wires to the terminals,
remove the endcap. After connecting the
wires to the terminals, attach the endcap.
• Fix the wires securely with the terminal
screws.
WARNING
Failure to securely fasten the battery wire to the ter-
minal using the terminal screws could cause the ter-
minal area to overheat and could result in damage
and injury including minor burns.
4. Put the wire ties in the slits and
wrap the wire ties around the wires.
• Wrap the wire tie around the wire insulation,
not the stripped wire.
15–20 mm
Engine
compartment
Interior of
the vehicle
Drill a 14
mm (1/2 in.)
hole into the
vehicle body.
Insert the O-ring rubber
grommet into the vehicle
body.
Positive (+)
terminal
GND terminal
Power
terminal
Battery wire
System remote
control terminal
System remote
control wire
Ground wire
Fuse 100 A
Each amplifier must
be SEPARATELY
fused at 100 A.
The maximum length of the wire between
the fuse and the positive (+) terminal of the
battery is 45 cm (18 in.).
Endcap
Terminal
screw
Setting the Gain for
Synced Amplifier
After connecting the speaker wires, adjust each
synced amplifier’s gain control. All synced ampli-
fiers follow the master amplifier’s settings.
Quick Setup of the Gain
Set each synced amplifier’s gain control to the NOR-
MAL position. This setting will balance output vol-
umes sufficiently for most applications.
Advanced Setup of the Gain
Starting with the master amplifier, adjust the gain
control on each amplifier in order.
1. Output sin wave through this system at low output
level.
2. Use volt meter to measure the master amplifier’s
output voltage level.
3. Use volt meter to measure the synced amplifier’s
output voltage level.
4. Match the synced amplifier’s output to the mas-
ter’s output using the gain control on the synced
amplifier.
5. Repeat for the each synced amplifier in the proper
order.
Connecting the Speaker Wires
Connect the speaker leads to suit the configuration according to the figures shown below and the next page.
Single Amplifier
• Speaker wire size must be 12 AWG minimum.
• Load may be any combination of speakers but impedance must be 2 Ω or larger.
MODE SELECT switch must be in
MASTER position.
2 Ω
minimum
1,000 W
Two Amplifier Bridged
• Speaker wire size must be 12 AWG minimum.
• Load may be any combination of speakers but impedance must be 4 Ω or larger.
Two Amplifier
• Speaker wire size must be 12 AWG minimum.
• Load may be any combination of speakers but impedance must be 2 Ω or larger.
MODE SELECT switch
must be in MASTER position.
4 Ω
minimum
2,000 W
MODE SELECT switch
must be in SYNC INV
position. Before setting
to the position, remove
the screw and the stop-
per.
Connecting wire with
RCA pin plugs (sold
separately).
Connecting speaker
wire (sold separately).
2 Ω
minimum
1,000 W
2 Ω
minimum
1,000 W
MODE SELECT switch
must be in MASTER position.
Connecting wire with
RCA pin plugs (sold
separately).
MODE SELECT
switch must be in
SYNC position.
Wire tie
Slit
Twist
Speaker wire
Lug
(3/8 in.)
Twist
(5/8–3/4 in.)
Speaker
terminal
Terminal screw
Speaker wire
Connect to a car stereo.
For details, see the “Connection Diagram” section.
Connect to a car stereo.
For details, see the “Connection Diagram” section.
Connect to a car stereo.
For details, see the “Connection Diagram” section.