DSPPA MP250UB User manual

[email protected] /www.dsppatech.com The specifications will be subject to change without prior notice.
Copyright © Guangzhou DSPPA Audio Co.,Ltd. All rights reserved.
MP250UB
Mini Digital Mixer Amplifier with USB/FM/Bluetooth
This product is a 1.5U mini digital mixer amplifier with USB/FM/Bluetooth, with speaker output of 70V/100V
& 4-16Ω optional. The product holds 2 AUX inputs and 1 AUX output. Also, it has 2 MIC inputs. The MIC 1 is
a 6.3mm jack on the front panel and the MIC 2 is a XLR port on the rear panel. The phantom power is
available in MIC 2. In addition, it provides individual volume control for each MIC and AUX, and has bass and
treble control. What’s more, it has 2 EMC signal inputs (100V/375mV) and 1 EMC output.
Built-in Bluetooth, radio and USB function.
2 MIC IN, 2 LINE IN, 1 LINE OUT.
2 EMC IN (100V/375mV), 1 EMC OUT.
100V or 70V constant voltage output, 4Ω~16 Ω constant resistance output.
Support IR remote control.
With priority function, priority is EMC/MIC1>AUX1/AUX2/MIC2.
With master volume control, and individual volume control of MIC & LINE, as well as treble and bass
volume control.
Model
MP250UB
Power Supply
AC110-120V / AC220~240V 50/60Hz(Select via the switch)
MIC1 IN Sensitivity
8mV±10%
MIC2 IN Sensitivity
8mV±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）
Description
Features
Specifications

[email protected] /www.dsppatech.com The specifications will be subject to change without prior notice.
Copyright © Guangzhou DSPPA Audio Co.,Ltd. All rights reserved.
Noise
<10mV
Distortion
<1% 1KHz
Treble Adjustment
10dB（±2）
Bass Adjustment
10dB（±2）
Rated Output Power
250W
Interface Output Voltage
70V,100V(Constant voltage output).
Machine Dimension (D×W×H)
250×230×66mm
Package Dimension
363×292×106mm (1PC)
Maximum Package Dimension
610×390×240mm (4PCS)
Net Weight
3KG
Gross Weight
3.7Kg (1PC)
Front Panel
1. Display Screen
2. USB Interface
Insert a USB to provide programs to built-in MP3.
3. Play/Pause
In USB and Bluetooth mode, press this button to pause / play.
In FM mode, press this button to search the radio automatically.
4. Last Song/ (Last Radio in FM)
In USB/Bluetooth mode, press this button to switch to the “Last Song”.
In FM mode, press this button to switch to the “Last Radio”.
In FM/Bluetooth/USB mode, long press this button to turn down the volume.
5. Next Song/ (Next Radio in FM)
In USB/Bluetooth mode, press this button to switch to the “Next Song”.
In FM mode, press this button to switch to the “Next Radio”.
In FM/Bluetooth/USB mode, long press this button to turn up the volume.
6. Mode Button
It can switch to Bluetooth mode (BLUE), USB mode (USB), line input mode (AUX) and FM mode (FM).
7. MIC1 IN
This button has priority function. (Level with EMC IN on the rear panel)
8. MIC1 VOL.
Adjust the volume of MIC1, turn clockwise to turn up the volume, and turn counterclockwise to turn down the volume.
9. MIC2/AUX2 VOL.
Adjust the volume of MIC2/AUX2, turn clockwise to turn up the volume, and turn counterclockwise to turn down the
Front / Rear Panel

[email protected] /www.dsppatech.com The specifications will be subject to change without prior notice.
Copyright © Guangzhou DSPPA Audio Co.,Ltd. All rights reserved.
volume.
10. AUX1 VOL.
Adjust the volume of AUX1, turn clockwise to turn up the volume, and turn counterclockwise to turn down the volume.
11. BASS VOL.
Take the central position as the benchmark, turn counterclockwise to turn down the bass, and turn clockwise to turn up the
bass.
12. TREBLE VOL.
Take the central position as the benchmark, turn counterclockwise to turn down the treble, and turn clockwise to turn up
the treble.
13. MASTER VOL.
Adjust the level of all signals (except for EMC IN on the rear panel), turn clockwise to turn up the volume, and turn
counterclockwise to turn down the volume.
14. POWER
Press “ON” to turn on the power, while press “OFF” to turn off the power.
15. LEVEL LED
Display the audio output level.
Rear Panel
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
请勿打开,以免触电
警告
DC IN
24V/4A
COM
4Ω
-16Ω
70V
100V
AMPLIFIER OUT
AUX OUT AUX1 IN AUX2 IN
+24V
MIC2 IN
AUX2 MIC2 PHANTOM
VOL
FM ANT
EMC IN
VOL
350mV
100V
AC110-120V 50-60Hz AC220-240V 50-60Hz
INPUT VOLTAGE SWITCH
PUSH
34 5 678 9 10 11 12 13 14
21
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. Audio Power Output Terminal
Note: No terminal can be connected to the “Ground wire”, no matter directly or through other devices.
5. AUX OUT
6. AUX1 IN
7. AUX2 IN
8. Audio Source Selection Switch (AUX2-MIC2. Note: Please turn down the volume or turn off the device before using the
switch.)
AUX2 and MIC2/24V. Phantom voltage switch by turning left and right.
9. Phantom Voltage LED
10. MIC2 Balanced IN
11. AUX2/MIC2 VOL.
12. 100V EMC IN (Note: When using external 100V emergency signal input, the machine ground wires of the two devices
can not be connected.)
13. EMC IN VOL.
14. General EMC IN