monolith M8250X User manual

M8250x 8x200 Watts Per Channel Class-D Multi-
Channel Home Theater Power Amplifier (42564)
M8125x 8x100 Watts Per Channel Class-D Multi-
Channel Home Theater Power Amplifier (42565)
P/Ns 42564, 42565
User's Manual

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CONTENTS
SAFETY WARNINGS AND GUIDELINES................................................................................................................................... 3
INTRODUCTION..........................................................................................................................................................................................4
FEATURES........................................................................................................................................................................................................4
CUSTOMER SERVICE ..............................................................................................................................................................................5
PACKAGE CONTENTS............................................................................................................................................................................5
PRODUCT OVERVIEW ...........................................................................................................................................................................6
42564............................................................................................................................................................................................................6
42565............................................................................................................................................................................................................ 7
CABLE PREPARATION............................................................................................................................................................................8
Speaker Wires .......................................................................................................................................................................................8
XLR Cables................................................................................................................................................................................................8
Trigger Cable..........................................................................................................................................................................................9
REMOTE POWER ON..............................................................................................................................................................................9
INSTALLATION ............................................................................................................................................................................................9
FUSES ................................................................................................................................................................................................................11
PROTECTION CIRCUITRY.................................................................................................................................................................... 11
TROUBLESHOOTING..............................................................................................................................................................................11
TECHNICAL SUPPORT..........................................................................................................................................................................12
SPECIFICATIONS...................................................................................................................................................................................... 13
REGULATORY COMPLIANCE .........................................................................................................................................................16
Notice for FCC.....................................................................................................................................................................................16
Notice for ISED Canada............................................................................................................................................................... 17

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SAFETY WARNINGS AND GUIDELINES
•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.
•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.
•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.
•Ensure that power is turned off and disconnected before making any electrical
connections.

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•Do not plug this device into the switched output of a preamplifier or other audio
component. This amplifier requires higher current levels than these devices are
designed to handle.
•Unplug this device from the power source when not in use.
•Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
•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.
INTRODUCTION
This power amplifier features eight channels, each of which is capable of outputting more
than 200 watts (42564) or 100 watts (42565) of power into 8 ohm loads. A trigger input
allows for remote power on when a source device is powered on. Each channel is
protected with Hypex® protection circuits for superior fault protection.
FEATURES
•20Hz ~ 20kHz ±0.5dB frequency response
•Eight balanced 3-pin XLR inputs
•200 watts per channel into 8 ohms (42564 only)
•100 watts per channel into 8 ohms (42565 only)
•Rated for 4 ~ 16 ohm loads
•Hypex® protection circuits

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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 or via email at [e-mail]. Check the website for
support times and links.
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 M8250X or M8125X 8-Channel Power Amplifier
2x High-Current AC Power Cords (42564 only)
1x High-Current AC Power Cord (42565 only)
1x Trigger Cable