Model and serial number located on the bottom of the amplifier unit
General Description
The SS651, SS651MT, LCS653, and LCS653-1 Sirens are designed for single 100W
speaker use. They come standard with the amplifier unit as well as a remote control
head (switch panel). The primary operating modes are Wail, Yelp, Standby, Manual,
and Horn. Both the Manual Control and the Horn function will override all other
functions, and can be utilized at any time via a rocker switch. The Phaser function
can be optionally disabled (reprogrammed) for any necessary applications.
These units are designed to allow maximum versatility in mounting. The control head
is remote from the siren amplifier box creating a compact user interface panel that
can be easily mounted under the dashboard. The amplifier box can then be
mounted remotely in the trunk, under the dashboard, under the seat, or wherever
convenient. The SS651MT offers a waterproof switch assembly for motorcycle and
marine applications.
The siren amplifier has been designed with several protection features to provide
exceptional field service. Excessively high voltage detection will disable the siren
output to protect both the amplifier and the speaker. Fused inputs provide safety
against reverse polarity. Speaker protection shuts down the output if the speaker
output becomes electrically shorted. CAUTION: These protection features will not
guard against overloading the outputs.
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Installation Notes
Proper installation of the unit is essential for years of safe, reliable operation. Please
read all instructions before installing the unit. Failure to follow these instructions can
cause serious damage to the unit or vehicle and may void warranties.
Qualifications
The installer must have a firm knowledge of basic electricity, vehicle electrical
systems and emergency equipment.
Keep These Instructions
Keep these instructions in the vehicle or other safe place for future reference.
Advise the vehicle operator of the location.
Unpacking
Inspect contents for shipping damage. If any damage is found, alert the carrier
immediately.
Mounting
AMPLIFIER BOX
The amplifier box should be mounted through its flanges using four #8 screws (not included)
or other suitable fastener.
• Using the amplifier as a template, mark the
location of the four mounting holes to be
drilled. Be sure to check for obstructions
behind the mounting hole locations.
• Drill the four mounting holes and secure
the amplifier box using appropriate
hardware (not supplied).
CONTROL HEAD
The control head is designed to be mounted in an easily accessible
location such as under the dash, in the overhead console, or in a
center console. Choose a mounting location convenient to the
operator and away from any air bag deployment areas. Be sure to
choose a location that has at least two inches of depth to
accommodate the control head and cables. Consider wire routing
and access to connections when selecting location as well.
• Using the switch panel unit itself as a template, mark the location of the two mounting
holes to be drilled. Be sure to check for obstructions behind the mounting hole locations.
• Drill the two mounting holes and install the control using two screws or other suitable
fastener (not provided).
• Mount in a location with adequate ventilation to prevent overheating.
• Devices should be mounted only in locations listed in SAE standard J1849.
• Controls should be placed within convenient reach of the driver.
• Assure clearances before drilling in vehicle.
• Sound levels produced by attached speakers can cause permanent hearing loss.
• Never operate this unit without adequate hearing protection for you and others in the
This SS651-AMP can be used on a motorcycle or for marine applications by sealing
the case with silicone sealant along the mating edges and around the wire
connector. In order to reduce water entry, the amplifier should be oriented with the
wire connector faced down. Only the waterproof switch assembly found in the
SS651MT (SS651MT-CH) should be used for wet location operation.
CONTROL HEADS
The control head is
designed to be
mounted in an
easily accessible
location such as
under the dash, in
the overhead
SS651-CH
SS651-CH4 SS651-CH3
console, or in a center console. Choose a mounting location convenient to the
operator and away from any air bag deployment areas. Be sure to choose a
location that has at least two inches of depth to accommodate the control head
and cables. Consider wire routing and access to connections when selecting
location as well.
• Using the switch panel unit itself as a template, mark
the location of the two mounting holes to be drilled.
Be sure to check for obstructions behind the
mounting hole locations.
• Drill the two mounting holes and secure the switch
panel using appropriate hardware (not supplied).
• Permanently mount the control using two screws
(not provided).
SS651MT-CH CONTROL HEADS
The SS651MT-CH weatherproof control head is designed
for use in locations that may be exposed to water.
• Choose a mounting location convenient to the
operator and away from any air bag deployment
areas.
SS651MT-CH
• Be sure to choose a location that has at least two inches of space on the right
side to accommodate the cable exiting the side of the control head.
• Consider wire routing when selecting location as well.
• The SS651MT-CH can be mounted through
Remove these four screws
the two holes in the rear cover. To gain
access to the mounting holes, detach the
rear cover by removing the four screws
affixing it to the control head.
Mounting Holes
• Secure the switch panel using appropriate
hardware (not supplied).
Rear of SS651MT-CH
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