Monoprice SWA-400 User Manual
SWA-400 400-watt Subwoofer Amplifier
with DSP and Presets
P/N 31029
User's Manual
CONTENTS
SAFETY WARNINGS AND GUIDELINES ....................................................................................................................................... 3
FEATURES .............................................................................................................................................................................................................. 5
CUSTOMER SERVICE .................................................................................................................................................................................... 5
PACKAGE CONTENTS ................................................................................................................................................................................. 6
PRODUCT OVERVIEW ................................................................................................................................................................................. 6
Front Panel ..................................................................................................................................................................................................... 6
Rear Panel ....................................................................................................................................................................................................... 7
SAMPLE CONNECTION DIAGRAMS ............................................................................................................................................... 8
CHANGING VOLTAGE .............................................................................................................................................................................. 10
RACK MOUNTING ......................................................................................................................................................................................... 11
DSP MENU OPERATION ........................................................................................................................................................................... 11
DSP MENU MAP ............................................................................................................................................................................................ 12
DSP MENU DETAILS ................................................................................................................................................................................... 13
TROUBLESHOOTING .................................................................................................................................................................................. 14
TECHNICAL SUPPORT ............................................................................................................................................................................... 15
SPECIFICATIONS ............................................................................................................................................................................................ 15
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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.
This device uses a grounded power cord and requires a ground connection for safe
operation. Ensure that the power source has a proper ground connection. Do not
modify the plug or use a "cheater" plug to bypass the ground connection.
Power off and unplug the amplifier from the power source before changing the
operating voltage level.
Disconnect the unit from the power source when replacing the fuse. Replace the
fuse only with the same type, unless changing the operating voltage level.
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If the operating voltage level is changed, the fuse must be changed to ensure
continued protection.
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.
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.
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FEATURES
400 watts (RMS) / 1000 watts (Peak) power output into a 4 ohm load
60 ~ 150 Hz adjustable low-pass filter
-12dB ~ -48dB adjustable roll-off/crossover slope
0 ~ 180° variable phase control in 45° increments
Built-in thermal protection
Selectable operating voltage
Can accept and pass-through line level and speaker level inputs
Can accept and pass-through 12V trigger signals
Can be set for 12V trigger, audio sensing, or front panel power switch operation
Built-in digital signal processor (DSP) with three user-defined memory storage
locations
Includes rack mount ears
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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