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Public Address System

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MP3 Mixer Amplifier

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MP60B

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MP120B

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User’s Manual

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Welcome to use the public address system manufactured by DSPPA Company. For the better

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application of this equipment, please read the operation instruction carefully prior to use.

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Guangzhou DSPPA Audio Co., Ltd.

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http://www.DSPPA.com

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Summary of Contents for MP60B

Page 1: ... MP120B User s Manual Welcome to use the public address system manufactured by DSPPA Company For the better application of this equipment please read the operation instruction carefully prior to use Guangzhou DSPPA Audio Co Ltd http www DSPPA com D ...

Page 2: ...e preamplifier and post power amplifier Plugged with U disc and other memory equipment to provide MP3 sound source four microphone inputs two Line inputs and one Line output for link Muting function Individual volume control Bass and treble tone control A five element LED level meter is provided for the quick and easy visual monitoring of sound level Message on Information of Instructions The inst...

Page 3: ...Mixer amplifier 1 ...

Page 4: ...ol Adjust treble response 6 MP3 output volume control Adjust treble response 7 Line volume control Adjust Line input volume 8 Mic1 Mic4 volume control Adjust microphone volume 9 Mic1 input jack Connect to microphone of unbalanced 30 600Ω with 1 4 phone plug The muting function is activated while the signal is sent to Mic1 10 MP3 Display 11 MP3 USB input jack 12 MP3 Player control button Note When ...

Page 5: ...ne 2 input Connect to linear source equipment 3 Line output Connect a recorder 4 Fan Exhaust Window 5 Speaker output 100V 6 AC fuse Prevent the excessive AC current flow 7 AC power Input jack 220V 240V 50 60Hz 6A Connected to AC power source 8 Mic2 Mic4 input jack Operation Instructions to MP3 plug the U disc storing MP3 program into USB interface and the equipment start playing automatically Make...

Page 6: ...in any of the areas 1 with poor ventilation 2 exposed to direct sunlight 3 with high ambient temperature or adjacent to heat generating equipment 4 with high humidity or heavy dust 5 susceptible to vibration 3 Make sure the power outlet conforms to the plug of the unit 4 Do not use this unit if the electrical power cord is frayed or broken 5 Always operate the unit with the AC ground wire connecte...

Page 7: ...30mV unbalanced Frequency response 65Hz 20kHz 3dB Distortion Less than 1 at 1kHz 1 3 rated output voltage The ratio of signal to noise ratio Mic1 2 3 4 Bigger than 80dB Line 1 2 Bigger than 80dB Tone Bass 12dB at 100Hz Treble 12dB at 10kHz MP3 Input Sensitivity 230 280mV Protection AC fuse DC voltage overload short circuit Muting function Mic1 overrides other input signals with 0 30dB attenuation ...

Page 8: ...parts inside Refer servicing to qualified service personnel The symbol on rear panel indicates hazardous live The connection of these terminals must be operated by the instructed person The unit connect to the mains by the plug Pull out the plug when the unit is in fault or danger status So the socket for the unit plugging must be set in the place can be easy to plug into and pull out the plug ...

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