QSM-808A/QSM-820A Manual
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When Using the Amplifier
Make sure that the volume control is turned to minimum position before power is
switched on. Loud sound produced at high volume when power is switched
on may impair hearing.
DO NOT place heavy objects on the amplifier, for it may cause it fall and may result in
body injury and/or property damage. Besides, the object itself may cause
damaged or body injury.
DO NOT operate the amplifier for the extended period of time with the sound distorting.
It is an indication of malfunction, which can cause heat and result in fire.
Switch the power off, and unplug the power supply plug from the AC outlet for safety
purposes, when cleaning or leaving the amplifier unused for 7 days or more.
Fire or electric shock may occur.
If the dust accumulates on the power supply plug or in the wall AC outlet, fire may
result in. Clean it periodically. In addition, make sure the plug is inserted in
the wall outlet securely.
Contact your local dealer to clean the dust, it the dust has accumulated in the amplifier
for a long period of time. Dust accumulation may result in fire or damage.
2.
Description
QSM-808A and QSM-820A are stereo mixer amplifiers designed for multi-input application.
There are 6 input sources: Mic1 ~ Mic3, CD, AUX, and Tape. Each microphone has its own
level control; while CD, AUX, and Tape share the same level control. And there are bass,
treble, and level (volume) control for the output.
The MIC. 1 has the voice first priority function.
The output power of QSM-808A is 40W x 2 RMS, and QSM-820A is 100W x 2 RMS.
To ensure the amplifier safety, it has speaker short, over temperature, and overload
protection.
It accepts AC 115V/230V 50/60 Hz.
QSM-808A and QSM-820A are the ideal stereo mixer amplifiers for multi-input source.
