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The models include the following
features:
- Analogue class AB or D technique
- High efficiency
- Low profile design
- RCA line inputs
- High level input with auto start
- Powerful DC cable terminals
- Built-in active crossovers
- Remote sub level control on S1
Installation
Before you begin installation
Before you begin you need to read the manual and
have tools, cables and other material available. There
is one such list of material on the following page.
Amplifier location
Important
Allow air circulation around the amplifier.
The S2 and S4 models are Class AB amplifiers
which by the nature of their operation generate
more heat than Class D types. When mounting
under front seats consider if it is possible to direct
air from rear seat ventilation ducts onto the ampli-
fier casing. S2 and S4 have internal cooling fans,
where possible please ensure the intake under the
amplifier isn't blocked by carpet. Consider raising
the amplifier to allow air to reach the fan intake.
Choose a location where air can circulate freely
around the amplifier. Do not cover the amplifier with
carpets or hide behind trim panels. Do not mount
the amplifier in an inverted or upside down position.
Check all locations and placements carefully be-
fore making any cuts, drilling any holes or making
any connections.
IMPORTANT!
Use the metal screws included with the ampli-
fier when you do the installation. Do not use
oversized screws.
Disconnect Battery
Before starting the instal-
lation, always disconnect
the negative terminal of
the battery.
Routing wires
Stereo
head unit
Professional Tip:
If amplifier installation kits are available with diff-
erent sizes of power cable, chose the heaviest
power cable to improve sound quality and to allow
more amplifiers to be installed now or later.
The oversized power terminals on S1, S2 and S4
accept up to 2 AWG / 35mm
length we recommend using 2 AWG / 35 mm
S1 and at least 8 AWG/10 mm
/ 20 mm
to S4 for best performance*. Both the
2
positive wire and the ground wire must have the
same size. */OFC copper
NOTE! To avoid cable fire, be sure not to over-
size the main fuse value for the power wires.
THE DC-FEED
Maximum main fuse values for different cable sizes.
6 mm
/ 10 AWG:
25 A
2
16 mm
2
/ 6 AWG:
60 A
35 mm
/ 2 AWG: 150 A
2
2
cables. Depending on
to
2
to S2 and 4 AWG
2
10 mm
/ 8 AWG:
40 A
2
20 mm
2
/ 4 AWG: 100 A
50 mm
/ 1 AWG : 200 A
2
2
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