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!!!!!!!User Guide for DPA48 compact amplifier!
DPA48 Compact Amplifier! !
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1.!Link high quality cable to connect the loudspeaker with amplifier OUTPUT, we
advise to use 20watts or lower loudspeakers in 4Ω/8Ω
2.!Link the audio source to the LINE INPUTS area of amplifier, put microphone to
the 3-pin MIC connector (set the 48V ACTIVE phantom power if necessary), 3-
pin RS232 CONTROL port to PC, adjust a unique ID to this device.
3.!Connect the power adaptor to amplifier DC 24V in, all the lights in front panel will
be on, after 5 seconds the lights go off, then you can operate on it.
4.!Press INPUT SELECTOR button to choose the corresponding connected audio
input port, then loudspeaker will play the sound
5.!To adjust the EQ, please press FUNC. SELECTOR button to choose, when
corresponding EQ lights on (BASS, MIDDLE, TREBLE), you can press VOL
UP/Down button to increase or reduce the EQ parameter. The function lights
(LINE,MIC,BASS,MIDDLE,TREBLE) will be auto off after 3 seconds if there
is no operation during this time.
6.!Before connecting the Microphone to the device, please make sure the type of your
Mic. You should to press the 48V ACTIVE button down (the green light on), to
connect the Condenser Microphone. Other type of microphone like wireless one,
dynamic microphone, you have to press the 48V ACTIVE button up (the green
light off) then to connect them. Press the FUNC. SELECTOR on front panel, until
the MIC light is on to adjust its volume
7.!Keep pressing the VOL UP/DOWN button, if the lights showing on over 5 seconds
after releasing the button, that means it reaches the MAX/MIN volume
8.!Cascade more than one devices like below diagram
