SWA-200 200-watt Subwoofer Amplifier
with Phase and Crossover Control
P/N 31030
User's Manual
SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying extra attention to these
safety warnings and guidelines. Please keep this manual in a safe place for future reference.
This device is intended for indoor use only.
Do not expose this device to water or moisture of any kind. Do not place drinks or
other containers with moisture on or near the device. If moisture does get in or on
the device, immediately unplug it from the power outlet and allow it to fully dry
before reapplying power.
Do not touch the device, the power cord, or any other connected cables with wet
hands.
Do not expose this device to excessively high temperatures. Do not place it in, on,
or near heat sources, such as a fireplace, stove, radiator, etc. Do not leave it in direct
sunlight.
This device ventilates excessive heat through the slots and openings in the case. Do
not block or cover these openings. Ensure that the device is in an open area where
it can get sufficient airflow to keep from overheating.
Do not place or install this device in an area where it can be exposed to excessive
amounts of dust, humidity, oil, smoke, or combustible vapors.
Prior to operation, check the unit and power cord for physical damage. Do not use if
physical damage has occurred.
Before plugging the unit into a power outlet, ensure that the outlet provides the
same type and level of power required by the device.
Unplug this device from the power source when not in use.
Take care to prevent damage to the power cord. Do not allow it to become
crimped, pinched, walked on, or become tangled with other cords. Ensure that the
power cord does not present a tripping hazard.
Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
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Ensure that power is turned off and disconnected before making any electrical
connections.
Remove the batteries from the controller if it will go unused for a lengthy period of
time.
Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
This device has no user serviceable parts. Do not attempt to open, service, or
modify this device.
In the event of serious operating problem, stop using the unit immediately.
FEATURES
140 watts @8 ohms / 200 watts @4 ohms power output
20 Hz ~ 200 Hz ±1dB frequency response
90 Hz ~ 200 Hz adjustable low-pass filter
95dB sensitivity
0 ~ 180° variable phase control
100 ~ 240 VAC input voltage
Passes through the full power, unmodified speaker level input
Can operate on 12-24V trigger signals
CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your ordering,
purchasing, and delivery experience is second to none. If you have any problem with your
order, please give us an opportunity to make it right. You can contact a Monoprice
Customer Service representative through the Live Chat link on our website
www.monoprice.com during normal business hours (Mon-Fri: 5am-7pm PT, Sat-Sun: 9am-
6pm PT) or via email at support@monoprice.com
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PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service for a
replacement.
1x SWA-200 200-watt Subwoofer Amplifier
1x AC Power Cord
1x User's Manual
PRODUCT OVERVIEW
Front Panel
1. POWER: Turns the amplifier on or off.
2. LED: The LED illuminates green when power is applied.
3. PHASE: The PHASE setting allows you to compensate for the subwoofer location
relative to the main speakers. Adjust the PHASE setting a level that results in the
highest subwoofer audio output.
4. CROSSOVER: The CROSSOVER sets the frequency of the low-pass filter, below
which audio signals will be sent to the subwoofer connected to the amp.
5. VOLUME: Sets the level of the audio output in relation to the main speakers. Set it
to an appropriate level for a smooth, natural sounding transition between the main
speakers and the subwoofer.
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Rear Panel
1. INPUT: Two RCA jacks for connecting a stereo or mono line level input.
2. SPEAKER LEVEL OUT: A speaker level output that passes through the audio
connected to SPEAKER LEVEL IN. Connect full-range speakers appropriately rated
for the power level of the amplifier connected to SPEAKER LEVEL IN. The VOLUME
control on the front panel does not affect the volume level of speakers connected
to SPEAKER LEVEL OUT.
3. SPEAKER LEVEL IN: A speaker level input for connecting the speaker level outputs
of an audio amplifier or AV receiver. The audio from this input is passed to the
SPEAKER LEVEL OUT connector, without any modification by the amp.
4. TRIGGER: A 3.5mm TS jack for connecting a 12-24V trigger signal. When DC voltage is
detected, the amplifier turns on, and when DC voltage is removed, the amplifier
turns off.
5. SUB OUT: A 5-way binding post for connecting a subwoofer. The output signal will
be modified by the PHASE, CROSSOVER, and VOLUME settings on the front panel.
6. AC IN: An IEC 60320 C8 panel connector for attaching the included AC power cord.
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SAMPLE CONNECTION DIAGRAMS
Line Level Input
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Speaker Level Input
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TECHNICAL SUPPORT
Model
31030
Maximum Power Output
140 watts @8 ohms, 200 watts @4 ohms
Frequency Response
20 Hz ~ 200 Hz ±1dB
Total Harmonic Distortion
< 1%
Signal to Noise Ratio
95dB
Adjustable Low-Pass Filter
90 ~ 200 Hz
Input Sensitivity
200mV
Phase Control
0 - 180°
Input Power
100 ~-240 VAC, 50/60 Hz
Maximum Power Consumption
250 watts
Standby Power Consumption
0.5 watts
Dimensions
14.8" x 4.7" x 11.2" (376 x 120 x 285 mm)
Weight
3.6 lbs. (1.64 kg)
Monoprice is pleased to provide free, live, online technical support to assist you with any
questions you may have about installation, setup, troubleshooting, or product
recommendations. If you ever need assistance with your new product, please come online
to talk to one of our friendly and knowledgeable Tech Support Associates. Technical
support is available through the online chat button on our website www.monoprice.com
during regular business hours, 7 days a week. You can also get assistance through email by
sending a message to tech@monoprice.com
SPECIFICATIONS
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