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PyleUSA.com
USER GUIDE
High Speed Car Amplifier
PLA2378 - PLA2678 - PLA2978 - PLA4278
PLA4478 - PLA1800 - PLA3100D - PLA4600D
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About PyleUSA
Pyle, founded in the 1960s, has evolved into a renowned manufacturer
of high-quality advanced woofers. Our journey started with the iconic
Pyle Driver, becoming a household name in original speakers. In the late
20th century, we expanded into replacement speakers, car audio, home
audio, marine audio, and professional audio & musical instruments with
our Pyle Pro line.
Pyle Car:
Transform your car into a perfect listening environment with our c
ompetitively priced speakers, ampliers, and head units. Upgrade from
factory speakers to enhance your music experience. Explore accessories
like navigation systems, DVD players, iPod interfaces, and safety-focused
cameras.
Pyle Home:
Discover a range of home entertainment products, including projectors,
TVs, mounts, stands, and HD technology. Pyle Home oers bass-expanding
mini speakers, headphones, vintage turntables, power ampliers, horn
speakers, and more for an enriched media experience at home and on
the go.
Pyle Pro:
As the leading source of audio equipment worldwide, Pyle Pro caters to
musicians, studio engineers, and amateurs. Our PA Systems, featuring
wireless microphones, rechargeable batteries, and iPod/iPhone docks,
are ideal for various events. Explore our emerging guitar line, eects
pedals, and USB-to-analog converters without compromising on quality.
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California Prop 65 Warning
WARNING:
This product may expose you to chemicals, which is known to
the state of California to cause cancer, birth defects and other
reproductive harm. Do not ingest.
For more info go to: www.P65warnings.ca.gov
CONTENTS
GENERAL FEATURES
FEATURES AND CONTROLS
ELECTRICAL CONNECTIONS
STEREO INPUT CONNECTIONS
MONO INPUT CONNECTIONS PLMRA220
2/4 CHANNEL INPUT CONNECTIONS
HIGH LEVEL INPUT CONNECTIONS
MONO INPUT CONNECTIONS PLMRA420
HIGH LEVEL MONO INPUT CONNECTIONS
SPEAKER CONNECTIONS
MOUNTING AND INSTALLATION
PRECAUTIONS
PROTECTION CIRCUITRY
TROUBLESHOOTING
FCC CAUTION
IC WARNING
REGISTER PRODUCT
READ ALL INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT.
RETAIN THIS OWNER’S MANUAL FOR FUTURE REFERENCE.
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Congratulations on purchasing the High-Speed Power Amplier!
This amplier has been designed with the latest electronic technology to
deliver high-quality stereo reproduction for mobile applications.
It features low harmonic distortion, substantial reserve voltage, and excellent
temperature stability.
Enjoy the perfect sound that this amplier brings to you!
INSTALLATION
• Since the amplier is sensitive to electrical and motor noise, it may aect your
radio reception. Try to mount it at least 3 feet away from the receiver.
Good locations include under a seat, in the trunk, or the hatch area.
• This is a high-power unit that generates signicant electrical energy and heat.
Be sure to install it in a location with sucient airow, minimal dust, and no
moisture. Leave enough space around the cooling ns to allow proper air
circulation.
• Never mount the amplier in a location subject to direct sunlight or moisture.
Ensure that it is mounted securely to a solid surface that can withstand sudden
stops or accidents.
• If mounting on a side wall, position the cooling ns vertically. Do not mount
the amplier on the bottom of a rear deck with the ns facing down, as the
heat will radiate back into the amplier. Leave enough room on either side for
wire connections and control adjustments. If you have a subwoofer box, you
can mount the amplier on the outside of the box.
Caution:
If mounting the amplier to the vehicle’s oor, check underneath the car to
ensure that the screws will not puncture a brake or gas line.
WARNING:
Continuous exposure to sound pressure levels over 100dB may cause permanent
hearing loss. High-power autosound systems may produce sound pressure
levels well over 130dB. Use common sense and practice safe listening habits!
Congratulations on purchasing the High-Speed Power Amplier!
This amplier has been designed with the latest electronic technology to
deliver high-quality stereo reproduction for mobile applications.
It features low harmonic distortion, substantial reserve voltage, and excellent
temperature stability.
Enjoy the perfect sound that this amplier brings to you!
INSTALLATION
• Since the amplier is sensitive to electrical and motor noise, it may aect your
radio reception. Try to mount it at least 3 feet away from the receiver.
Good locations include under a seat, in the trunk, or the hatch area.
• This is a high-power unit that generates signicant electrical energy and heat.
Be sure to install it in a location with sucient airow, minimal dust, and no
moisture. Leave enough space around the cooling ns to allow proper air
circulation.
• Never mount the amplier in a location subject to direct sunlight or moisture.
Ensure that it is mounted securely to a solid surface that can withstand sudden
stops or accidents.
• If mounting on a side wall, position the cooling ns vertically. Do not mount
the amplier on the bottom of a rear deck with the ns facing down, as the
heat will radiate back into the amplier. Leave enough room on either side for
wire connections and control adjustments. If you have a subwoofer box, you
can mount the amplier on the outside of the box.
Caution:
If mounting the amplier to the vehicle’s oor, check underneath the car to
ensure that the screws will not puncture a brake or gas line.
WARNING:
Continuous exposure to sound pressure levels over 100dB may cause permanent
hearing loss. High-power autosound systems may produce sound pressure
levels well over 130dB. Use common sense and practice safe listening habits!
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POWER CONNECTION
IMPORTANT: Before making any connections, disconnect the car’s battery to
avoid possible damage to the electrical system.
• The +12V DC power cable should be heavy-gauge, stranded copper wire with
heavy insulation, as it draws power directly from the positive battery terminal.
The cable gauge should be at least 10mm², and the ground cable should be
the same gauge.
• Connect the +12V power terminal to the battery’s positive terminal. Install an
in-line fuse in the +12V power cable near the battery (less than 50mm away).
Without a fuse, an accidental short circuit could cause a re and damage your
amplier. Do not install the fuse at this time.
• Connect the GROUND power terminal to the car’s chassis or battery's negative
terminal. Ensure all paint or insulation is removed from the grounding point,
and securely fasten the wire using a self-tapping screw.
Keep the ground cable as short as possible.
• If your radio has a remote turn-on feature, connect its output terminal to the
amplier's REM control jack. If the radio lacks this feature, connect the REM
terminal to an external switch for +12V ON/OFF control.
• To minimize interference, run power cables on the opposite side of the car
from the audio cables.
Caution: The power cables must be tightly connected. Loose connections may
cause malfunctions, interference, or distortion.
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2 CHANNEL AMPLIFIER — FEATURES (PLA2378)
POWER CONNECTION
IMPORTANT: Before making any connections, disconnect the car’s battery to
avoid possible damage to the electrical system.
• The +12V DC power cable should be heavy-gauge, stranded copper wire with
heavy insulation, as it draws power directly from the positive battery terminal.
The cable gauge should be at least 10mm², and the ground cable should be
the same gauge.
• Connect the +12V power terminal to the battery’s positive terminal. Install an
in-line fuse in the +12V power cable near the battery (less than 50mm away).
Without a fuse, an accidental short circuit could cause a re and damage your
amplier. Do not install the fuse at this time.
• Connect the GROUND power terminal to the car’s chassis or battery's negative
terminal. Ensure all paint or insulation is removed from the grounding point,
and securely fasten the wire using a self-tapping screw.
Keep the ground cable as short as possible.
• If your radio has a remote turn-on feature, connect its output terminal to the
amplier's REM control jack. If the radio lacks this feature, connect the REM
terminal to an external switch for +12V ON/OFF control.
• To minimize interference, run power cables on the opposite side of the car
from the audio cables.
Caution: The power cables must be tightly connected. Loose connections may
cause malfunctions, interference, or distortion.
Input Level: Adjusts line level (RCA)
inputs from Min to Max.
High Pass Filter:
Variable from 40Hz to 300Hz.
Low Pass Filter:
Variable from 40Hz to 300Hz.
Line Input: Accepts line-level (RCA)
inputs from 0.2 to 5 volts.
Line Output: Allows for the connection
of additional ampliers.
Bass EQ: Adjusts bass
boost from 0dB to 12dB.
Crossover Switch: Routes output through
the low-pass (LPF) or high-pass (HPF) lter,
or FULL to the internal amplier.
Mono/Stereo
Mode Selector
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when the amplier is powered on.
Protect LED: Lights up when the amplier enters protection mode.
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2 CHANNEL AMPLIFIER — FEATURES (PLA2678)
Input Level: Adjusts line level (RCA)
inputs from Min to Max.
High Pass Filter:
Variable from 40Hz to 300Hz.
Low Pass Filter:
Variable from 40Hz to 300Hz.
Line Input: Accepts line-level (RCA)
inputs from 0.2 to 5 volts.
Line Output: Allows for the connection
of additional ampliers.
Bass EQ: Adjusts bass
boost from 0dB to 12dB.
Crossover Switch: Routes output through
the low-pass (LPF) or high-pass (HPF) lter,
or FULL to the internal amplier.
Mono/Stereo
Mode Selector
Remote Control: Adjusts the low-pass
signal via the included remote.
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when the amplier is powered on.
Protect LED: Lights up when the amplier enters protection mode.
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2 CHANNEL AMPLIFIER — FEATURES (PLA2978)
Input Level: Adjusts line level (RCA)
inputs from Min to Max.
High Pass Filter:
Variable from 40Hz to 300Hz.
Low Pass Filter:
Variable from 40Hz to 300Hz.
Line Input: Accepts line-level (RCA)
inputs from 0.2 to 5 volts.
Line Output: Allows for the connection
of additional ampliers.
Bass EQ: Adjusts bass
boost from 0dB to 12dB.
Crossover Switch: Routes output through
the low-pass (LPF) or high-pass (HPF) lter,
or FULL to the internal amplier.
Mono/Stereo
Mode Selector
Remote Control: Adjusts the low-pass
signal via the included remote.
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when the amplier is powered on.
Protect LED: Lights up when the amplier enters protection mode.
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4 CHANNEL AMPLIFIER — FEATURES (PLA4278/PLA4478)
High Pass: Variable High Pass
Filter from 15Hz to 250Hz.
Low Pass: Variable Low Pass
Filter from 60Hz to 200Hz.
Line Input: Accepts line-level (RCA)
inputs from 0.2 to 6.0 volts.
Input Level: Adjusts line-level (RCA)
inputs from 0.2 to 6.0 volts.
Bass EQ: Adjusts the Bass
Boost from 0dB to 18dB.
Input Mode: Allows selection
between 2CH or 4CH mode.
Crossover Switch: Routes the output of the
Low Pass (LOW), the High Pass (HIGH) lter,
or FULL to the internal power amplier.
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when the amplier is powered on.
Protect LED: Lights up when the amplier enters protection mode.
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MONO CHANNEL AMPLIFIER — FEATURES (PLA1800)
Subsonic Filter: Sets the lower cuto
frequency, variable from 10Hz to 40Hz.
Remote Control: Adjusts the low pass
signal via the enclosed remote control.
Low Pass: Variable Low Pass
Filter from 40Hz to 300Hz.
Input Level: Accepts line-level (RCA)
inputs from 0.4 to 4 volts.
Bass EQ: Adjusts the Bass
Boost from 0dB to 12dB.
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when
the amplier is powered on.
Protect LED: Lights up when the
amplier enters protection mode.
Line Input: Accepts line-level (RCA)
inputs from 0.4 to 4 volts.
Line Output: Allows connection
of additional ampliers.
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MONO CHANNEL AMPLIFIER — FEATURES (PLA3100D/PLA4600D)
Subsonic Filter: Sets the lower cuto
frequency, variable from 15Hz to 55Hz.
Remote Control: Adjusts the low pass
signal via the enclosed remote control.
Low Pass: Variable Low Pass
Filter from 40Hz to 150Hz.
Input Level:
Accepts line-level (RCA)
inputs from 0.2 to 6 volts.
Bass EQ: Adjusts the Bass
Boost from 0dB to 12dB.
Fuse: Protects the amplier and the vehicle’s
electrical system from short circuits.
Power Supply Terminals Speaker Output Terminals
Power On LED: Illuminates when
the amplier is powered on.
Protect LED: Lights up when the
amplier enters protection mode.
Line Input: Accepts line-level
(RCA) inputs from 0.2 to 6 volts.
Phase Shift: Allows adjustment
between 0° and 180°.
Mode: Allows you to select
either the MASTER OUTPUT
mode or SLAVE INPUT.
Master Output:
Allows connection
of additional ampliers.
Slave Input: Accepts line-level (RCA)
inputs from the master output.
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2 CHANNEL AMPLIFIER — APPLICATIONS
Input Connections
•
This amplier has RCA connections for low-level inputs, which carry the signal
through RCA cables. It is preferred to use low-level inputs to the amplier if
the head unit is equipped with low-level outputs.
• The amplier also has high input connections for use with radios that do not
have line-level outputs.
• Be sure not to use both low- and high-level inputs simultaneously.
Speaker Output Connections
•
Connect the right and left speaker wires to the corresponding speaker output
terminals of the amplier.
• Ensure the positive wire from the speaker is connected to the positive speaker
terminal of the amplier, and the negative wire is connected to the negative
terminal. Reversing these connections will result in out-of-phase movement,
causing bass cancellation.
Level Controls
•
Turn the VOLUME control on the amplier to "Min" initially.
• After powering on, set the CD/Radio volume control to approximately 80% of
full. Insert a CD or tune to a radio station and gradually turn up the amplier's
VOLUME control until distortion is heard, then back it o for clean sound.
2 CHANNEL AMPLIFIER — APPLICATIONS
Input Connections
•
This amplier has RCA connections for low-level inputs, which carry the signal
through RCA cables. It is preferred to use low-level inputs to the amplier if
the head unit is equipped with low-level outputs.
• The amplier also has high input connections for use with radios that do not
have line-level outputs.
• Be sure not to use both low- and high-level inputs simultaneously.
Speaker Output Connections
•
Connect the right and left speaker wires to the corresponding speaker output
terminals of the amplier.
• Ensure the positive wire from the speaker is connected to the positive speaker
terminal of the amplier, and the negative wire is connected to the negative
terminal. Reversing these connections will result in out-of-phase movement,
causing bass cancellation.
Level Controls
•
Turn the VOLUME control on the amplier to "Min" initially.
• After powering on, set the CD/Radio volume control to approximately 80% of
full. Insert a CD or tune to a radio station and gradually turn up the amplier's
VOLUME control until distortion is heard, then back it o for clean sound.
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2 CHANNEL AMPLIFIER — APPLICATIONS
PLA2378 / PLA2678 / PLA2978
STEREO MODE
MONO MODE
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MONO CHANNEL AMPLIFIER — FEATURES (PLA4278/PLA4478)
4-CHANNEL MODE
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MONO CHANNEL AMPLIFIER — FEATURES (PLA4278/PLA4478)
3-CHANNEL MODE
2-CHANNEL MODE
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MONO AMPLIFIER — APPLICATIONS
Input Connections
•
This amplier has RCA connections for low-level inputs.
Low-level signals are carried through RCA cables. It is preferred to use
low-level inputs to the amplier if the head unit is equipped with low-level
outputs.
Speaker Output Connections
•
No adjustment is needed for the input connection of the amplier before
connecting the speaker output.
• Connect the subwoofer wire to the corresponding speaker output terminals
of the amplier.
• Ensure that the positive wire from the speaker connects to the positive
terminal of the amplier, and the negative wire to the negative terminal.
Reversing these connections can cause the speaker cones to move out of
phase, resulting in bass cancellation.
Level Controls
•
Initially, set the VOLUME control on the amplier to minimum.
• After the initial power sequence, set the CD/Radio volume control to roughly
80% of full. Insert a CD or tune to a radio station and gradually increase the
amplier VOLUME control until distortion is heard, then back o slightly for
clean sound.
MONO AMPLIFIER — APPLICATIONS
Input Connections
•
This amplier has RCA connections for low-level inputs.
Low-level signals are carried through RCA cables. It is preferred to use
low-level inputs to the amplier if the head unit is equipped with low-level
outputs.
Speaker Output Connections
•
No adjustment is needed for the input connection of the amplier before
connecting the speaker output.
• Connect the subwoofer wire to the corresponding speaker output terminals
of the amplier.
• Ensure that the positive wire from the speaker connects to the positive
terminal of the amplier, and the negative wire to the negative terminal.
Reversing these connections can cause the speaker cones to move out of
phase, resulting in bass cancellation.
Level Controls
•
Initially, set the VOLUME control on the amplier to minimum.
• After the initial power sequence, set the CD/Radio volume control to roughly
80% of full. Insert a CD or tune to a radio station and gradually increase the
amplier VOLUME control until distortion is heard, then back o slightly for
clean sound.
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MONO AMPLIFIER — APPLICATIONS (PLA1800)
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MONO AMPLIFIER — APPLICATIONS (PLA3100D/PLA4600D)
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MONO CHANNEL AMPLIFIER — APPLICATIONS
(PLA3100D / PLA4600D)
MASTER/SLAVE Link
MASTER
SLAVE
MASTER
SLAVE
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MONO CHANNEL AMPLIFIER — APPLICATIONS
(PLA3100D / PLA4600D)
INTERCONNECTION EXAMPLES Subwoofer with a Single Voice Coil
MASTER
SLAVE
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MONO CHANNEL AMPLIFIER — APPLICATIONS
(PLA3100D / PLA4600D)
INTERCONNECTION EXAMPLE Subwoofer with a Dual Voice Coil
MASTER
SLAVE
Subwoofer with a Single Voice Coil (1-8 Ohm)
MASTER
SLAVE
Subwoofer 2
1-8 Ohm
The subwoofer on the SLAVE amp
needs to be connected with reverse
polarity.
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SPECIFICATION
All specications subject to change without notice.
FCC Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
Any Changes or modications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Note:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment o and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
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• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.
- English:
This device complies with Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) This device may not cause interference, and (2) This device must accept any
interference, including interference that may cause undesired operation of the
device.
- French:
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est
conforme aux CNR d’Innovation, Sciences et Développement économique
Canada applicables aux appareils radio exempts de licence.
L’exploitation est autorisée aux deux conditions suivantes:
(1) L’appareil ne doit pas produire de brouillage; (2)L’appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d’en
compromettre le fonctionnement.
This equipment complies with IC RSS-102 radiation exposure limits set forth for
an uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator & your body.
Cet équipement est conforme aux limites d'exposition aux rayonnements IC
établies pour un environnement non contrôlé. Cet équipement doit être installé
et utilisé avec un minimum de 20cm de distance entre la source de rayonnement
et votre corps.
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Thank you for choosing PyleUSA. By registering your product,
you ensure that you receive the full benets of our exclusive
warranty and personalized customer support.
Complete the form to access expert support and to keep
your PyleUSA purchase in perfect condition.
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Questions or Comments?
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Phone: 1.718.535.1800
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