User manual
QM450A 
User Manual
User Manual
Q Motion Series
QM450A
1
Safety Precautions
• Be sure to read the instructions in this section carefully before use.
• Make sure you observe the instructions in this manual as the conventions of safety symbols and 
messages are very important.
• We also recommend you keep this instruction manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols described below are used in this manual to prevent bodily injury and property 
damage which could result from mishandling. Before operating your product, read this manual first 
and understand the safety symbols and messages so you are thoroughly aware of any risks.
Indicates a potentially hazardous 
situation which, if mishandled, could 
result in death or serious personal injury.
WARNING
Do not attempt to clean the 
painted enclosure with solvents 
or petrochemical based cleaners. 
Touching up scratched scan be 
done with polyester paint.
Flying and installation of this 
speaker cabinet must be carried 
out by suitably qualified personnel 
following the locally authorised 
and approved safety standards.
Installation that allows direct 
precipitation is not advised and 
installation practise must prevent 
liquids from entering the box.
Do not place sources of heat 
on the speaker cabinet such as 
lighting equipment or smoke 
machines, and where possible 
please keep out of direct 
sunlight.
Do not stack the speaker cabinet 
in a manner that could cause 
injury should a cabinet become 
dislodged.
CAUTION
Before connecting or disconnecting 
any connections including power, 
make sure to set the master level 
control to counter clockwise off. This 
will prevent unexpected and possibly 
damaging noises from the system.










