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Mini Digital Amplifier, with MIC Mixer and EQ 

                         

 

 

 

 

Command 

Function Desctription 

Feedback Code 

5[x][x]% 

Preset MIC volume, [xx] is aranging  from [00] 

to [60].  

61 degrees in total. 

Volume of MIC :50  

7[x][x]% 

Preset line volume, [xx] is aranging  from [00] to 

[60].  

61 degrees in total. 

Volume of LINE :50  

8[x][x]% 

Preset the bass level, [xx] is aranging from [00] 

to [08]. 

9 degrees in total. 

Bass of LINE :  04 

9[x][x]% 

Preset the treble level, [xx] is aranging from 

[00] to [08]. 

9 degrees in total. 

Treble of LINE : 04 

 

Notice: 
1: The letter inside bracket [ ] is the variable code, which is the changeable. 
2: The bracket [ ] is not included to the RS232 commands. 
 

Example 

    

Switching the input 2 to the line out. We should send the RS232 command:  [2A1.] 

 
Example 

    

Turning up the volume of line audio. We should send the RS232 command:  [

603%

 
Example 

    

Preset the MIC volume to be “21” degree. We should send the RS232 command: 
[521%]    

 
Example 

    

Checking the working status of AMP-MA40. We should send the RS232 command: 
[600%]    

Summary of Contents for AMP-MA40

Page 1: ...515 1900 Fax 310 515 1606 info owi inc com www owi inc com Technical Support 310 515 1900 Index 1 Introduction 2 2 Product Picture 2 3 Features 3 4 Specification 4 5 Audio Connections 5 6 Buttons Cont...

Page 2: ...ifier Class D with EQ control and MIC mixer function It is compact size but powerful functions including the bridge connection dual mono EQ control microphone mixer etc Applications include classrooms...

Page 3: ...io and MIC input and reducing the power consumption when there is no input coming z Two stereo audio inputs switchable by button remote or RS232 z Volume Bass Treble controllable by buttons or RS232 z...

Page 4: ...mpedance 10K Output Impedance 50 stereo 4 8 Amplifier Audio General Frequency Response 20Hz 20KHz CMRR 70dB 20Hz 20KHz SNR 80dB at maximum output Bandwidth 20Hz 25KHz Stereo Channel Separation 75dB 20...

Page 5: ...s the picture below 5 2 Bridge connection 1x40Watt 8 The AMP MA40 has the bridge connection to double the output power at 1x40Watt 8 It will sum up the input left channel and input right channel to be...

Page 6: ...tput In this way both of the outputs are showing the same mono audio The connection is 6 Buttons Controlling The buttons provides the control of volume EQ control and switching 6 1 Audio switching The...

Page 7: ...ic Volume Line volume Line bass Line treble will be selected by the buttons and controlled up down mute by the function buttons Please check the picture below For example to turn up the line volume yo...

Page 8: ...MIC Mute MIC 2A0 Mute audio of line out Mute LIN 0A1 UnMute Audio UnMute Audio 600 Checking the working status A 1 1 Volume 30 Bass 00 Treble 00 601 MIC volume up Volume of MIC 51 602 MIC volume down...

Page 9: ...x x Preset the treble level xx is aranging from 00 to 08 9 degrees in total Treble of LINE 04 Notice 1 The letter inside bracket is the variable code which is the changeable 2 The bracket is not incl...

Page 10: ...Mini Digital Amplifier with MIC Mixer and EQ 10 8 System Diagram 2x20Watt 4 Looping connection 1x40Watt 8...

Page 11: ...Mini Digital Amplifier with MIC Mixer and EQ 11 9 Panel Drawing Unit inches mm 10...

Page 12: ...amplifier AMP MA40 plus the remote control and sensor AMP IRMA40 IR remote Model AMP IRMA40RC The AMP IRMA40RC has been built in the most popular functions including input channels selection Mute volu...

Page 13: ...The IR sensor can be sticked on the wall or ceiling The IR receiver is about 4 11 1 5 meters in length Please check the pictures below Connection Back side of the IR sensor IR sensor The yellow tape c...

Page 14: ..._______________________________________________ Date of Purchase Month ________________ Day _____ Year _________ Owner s Name _______________________________________________ Address __________________...

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