Table of Contents
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Table of Contents
Summary of Contents for Pro-Tech MA250UB
- Page 1 MA250UB Mini Mixer Amplifier User Manual...
- Page 3 Safety Precautions 1. Safety Precautions Warning! To reduce the risk of electric shock or equipment damage, please follow the following requirements: ● Please do NOT connect this device to the power source, before the system is correctly connected. ● It is important to ensure that input voltage to the device is the same as required voltage of the device; otherwise the device may be damaged.
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Page 5: Table Of Contents
CONTENT Introduction................................1 Product Overview..............................1 Product Features..............................1 Front Panel................................1 Rear Panel................................3 Operating Instructions............................4 Remote Controller..............................5 Specification................................6 Packing List................................6... -
Page 6: Introduction
Introduction Thanks for using our products. All our products are tested strictly before leaving the factory, with guaranteed quality. Our products are widely used in such places as schools, gymnasiums, square halls, parks, parking lots, railway stations, airports, villa communities and mall supermarkets, etc., and they will be your ideal choice for public address system. - Page 7 1. USB/BT volume control 9. MIC1 VOL. 2. Display Screen Adjust the volume of MIC1, turn clockwise to turn 3. USB Interface up the volume, and turn counterclockwise to turn Insert a USB to provide programs to built-in MP3. down the volume. 4.
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Page 8: Rear Panel
Rear Panel 1. POWER IN (Can switch to 110-120V or 220-240V) Connect working power. Insert the plug into the machine and then connect the power grid. 2. FM Antenna Interface Connect the FM antenna. 3. DC24V Power Input DC24V backup power input interface. 4. -
Page 9: Operating Instructions
Operating Instructions 1. MIC Mode In any mode, when there is a broadcasting through the microphone, the system will detect the voice from the microphone and mute other sources. And it will return to the original play status when the microphone has no signal. -
Page 10: Remote Controller
Remote Controller The remote controller is as shown below.. 1 MP3/TUNER/BT Switch Button 2 Mode: AUX, TUNER, BT & MP3 Sound Source Switching Button. 3 Mute: MP3, TUNER & BT Mute Button. Press this button to mute the program currently being played, and the LED display screen will flash. -
Page 11: Specification
Specification Model MA250UB Power Supply AC110-120V / AC220~240V 50/60Hz(Select via the switch) MIC1 IN Sensitivity 10mV±10% MIC2 IN Sensitivity 15mV±10% AUX1 IN Sensitivity 350mV±10% AUX2 IN Sensitivity 350mV±10% EMC IN Sensitivity 350mV±10% MIC Frequency Response 200Hz～10kHz（±3dB） AUX Frequency Response 100Hz～16kHz（±3dB）...
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