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Guangzhou DSPPA Audio Co.,Ltd


Best PA Amplifier

MP260U 6 Zones Mixer Amplifier with USB/SD/ FM
Built-in MP3/Tuner/USB/SD card inputs
6 zones output with pre-amplifier, 6 channels @ 100V outputs
3 LINE& 2 MIC inputs with individual volume control

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Description of Product

MP260U/MP212U is advanced public address equipment integrating MP3 player, FM tuner, partition manager (6 partitions), preamplifier and post power amplifier.

This equipment has three line signal input interfaces, one line signal output interface, and two routes of the microphone input interfaces, of which the signal from the interface of microphone 1# on the front panel shall be granted the highest priority level. Each sound source input (including the MP3 player and FM tuner built in this equipment) shall be provided with the independent volume adjustment button, and the preamplifier shall be provided with the treble and bass adjustment knob. The six partitions are subject to the output at the constant voltage of 100V. Any partition shall be provided with the independent switch control button in addition to a button for the operation of all such six partitions. There is the LED digital tube display screen, which is used to display the working status of the equipment.

Integrating the whole set of the broadcasting program as the small-sized public address system including the sound source, partition, preamplifier, post power amplifier and volume control and other functions, this equipment is applicable to the sites needing the public address by the small-sized public broadcasting system.


Performance Characteristics


l  Combined power amplifier series with MP3, radio playing function and integrating the output of six partitions and the preamplifier and post power amplifier.

l  Plugged with U disc, SD card and other memory equipments to provide MP3 sound source.

l  Two microphone inputs, three Line inputs, and one Line output for link.

l  Transform the output into 6 zones.

l  Muting function.

l  Individual volume control. Bass and treble tone control.

l  A five-element LED level meter is provided for the quick and easy visual monitoring of sound level. 




Rated output


Output regulation

Less than 3dB

Speaker output


AUX output


Input Sensitivity

Mic1,2 : 3mV(±0.5mV) unbalanced

Line 1,2,3 : 300mV(±30mV) unbalanced

Frequency response

65Hz-20kHz (±3dB)


Less than 1% at 1kHz , 1/3 rated output voltage

The ratio of
signal to noise ratio

Mic1 and 2 : Bigger than 80dB

Line 1、2 and 3 Bigger than 80dB


Bass : ±12dB at 100Hz

Treble : ±12dB at 10kHz



MP3 Input Sensitivity



AC fuse; DC voltage; overload; short-circuit.

Muting function

Mic1 overrides other input signals with
0 ~ -30dB attenuation

Power requirements

AC 220-240V/50-60Hz

Power consumption




Gross weight


Net weight


Specifications are subject to change without notice

2.Description of Appearance

2.1 Description of front panel


1.Power switch (power indicator lighting as ON state) for main power.

2.LED power indicator

For main power.

3.Zone ALL ON button

4.Zone button of six

5.LED level meter

Indicate output level.

6.Bass control

Adjust bass response.

7.Treble control

Adjust treble response.

8.MP3/SD/TUNER output volume control

9.Line volume control

Adjust Line input volume.

10.Mic volume control

Adjust microphone volume.

11.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 Mic 1.

12.MP3/TUNER Display

13.MP3 USB input jack

14.MP3/TUNER Player control button

15.Sound of output selector button

16.MP3 SD jack

NOTE:When all the five elements (+10dB) of the LED level meter remain lit, it indicates that the sound is distorted. In such case, adjust each volume controlling knob, until LED element 4 (+8dB) and LED element 5 (+10dB) shall flashing.

2.2 Description of rear panel


1. Mute control

Adjust muting function.

2. Mic2 input

Connect to the microphones at unbalanced 30-600 Ω with 1/4 ″phone plug. The signals from Mic2 be muted by the signal from Mic1.

3. Line 1 input, Line 2 input & Line 3 input

Connect to linear source equipment.

4. Line output

Connect a recorder

5. Fan Exhaust Window

6. 6 Zone Output terminals

Connect to speakers.

7. AC power connector

Connect to AC power source.

8. FM Antenna

Note:When connecting to speakers, use one pair of speaker output terminals only.

3.Connection Diagram


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