DSPPA MP250UB is a 1.5U mini digital mixer amplifier 250W Class D 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.

Features

● 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 the priority function, priority is EMC/MIC1>AUX1/AUX2/MIC2.
● With master volume control, individual volume control of MIC & LINE, and treble and bass volume control.

DSPPA MP250UB 250W Class D — Compact Digital Mixer Amplifier for Professional Public Address

DSPPA MP250UB is a compact 250W mini digital mixer amplifier in a 1.5U format. It is designed for professional background music and public address applications where compact installation, flexible connectivity and compatibility with 70/100V speaker systems are important.

The amplifier uses a Class-D amplifier module and supports 70V/100V constant-voltage output as well as 4–16 Ω low-impedance loads.

Class D and Compact 1.5U Design

One of the main advantages of the MP250UB is the combination of 250W output power and a compact 1.5U chassis.

The Class-D architecture is suitable for installations where sufficient power is required without using a large amplifier chassis. The compact format simplifies installation in equipment racks, cabinets and technical rooms.

The amplifier measures approximately 250 × 230 × 66 mm and weighs about 3 kg.

250W for Professional Audio Distribution

The 250W power class is suitable for medium-scale installations requiring distributed audio across rooms or larger areas.

In 100V mode, the amplifier can operate with compatible ceiling, wall-mounted, pendant and horn loudspeakers.

The total transformer tap power of connected loudspeakers should be calculated during system design, together with an appropriate amplifier power reserve.

70V and 100V Public Address

Support for 70V/100V constant-voltage output makes the MP250UB suitable for professional distributed audio systems.

100V systems are particularly useful for:

• retail stores;
• offices;
• restaurants and cafés;
• hotels;
• educational facilities;
• warehouses;
• smaller industrial facilities;
• commercial and public buildings.

The 4–16 Ω output also provides additional flexibility for compatible low-impedance speaker configurations.

USB, FM and Bluetooth

The MP250UB includes built-in USB, FM and Bluetooth, allowing it to operate as a background audio source without necessarily requiring a separate media player.

Bluetooth provides convenient wireless audio connectivity, while USB can be used for audio playback and FM provides radio reception.

This combination is useful for stores, cafés, restaurants, hotels, offices and other commercial environments where background music is required during everyday operation.

Two MIC and Two AUX Inputs

The DSPPA MP250UB provides two microphone inputs and two AUX inputs, plus one AUX output. MIC 1 is located on the front panel, while MIC 2 uses an XLR connector on the rear panel and supports phantom power.

This allows the amplifier to handle music playback as well as announcements, presentations, information messages and other microphone-based applications.

EMC and Priority Function

The MP250UB provides EMC inputs and an EMC output, together with a priority function. According to the manufacturer's documentation, the priority sequence is EMC/MIC1 → AUX1/AUX2/MIC2.

This architecture is useful where important voice or service announcements need priority over background audio.

If the equipment is intended to be part of an emergency or fire voice alarm system, the complete project must be checked against the applicable regulations and certification requirements for the specific facility. An EMC or 100V connection alone does not automatically make the complete system a certified life-safety installation.

DSPPA MP250UB Applications in Ukraine

Retail stores and commercial spaces. Background music and voice announcements can be provided using a compact system without a large amount of additional equipment.

Cafés and restaurants. USB, FM and Bluetooth can provide background audio, while microphone inputs can be used for announcements or events.

Hotels. The compact amplifier can be used for background audio in reception areas, halls, restaurants and other spaces according to the system design.

Offices and business premises. Microphone, AUX and multimedia sources allow the amplifier to serve as a flexible background audio and voice announcement solution.

Educational facilities. The MP250UB can support distributed audio, information announcements and events.

Warehouses and smaller industrial facilities. A 100V distributed system can provide audio coverage across multiple areas using suitable public address loudspeakers.

When MP250UB Is a Better Choice Than a Large Amplifier

The MP250UB is particularly suitable where 250W of power is required but a large number of independent zones or a complex audio matrix is not necessary.

Unlike multi-zone mixer amplifiers, the MP250UB is designed around a simpler architecture: one amplifier channel with multiple music, microphone and service-signal sources.

This makes it a practical compact foundation for small and medium-sized commercial public address systems.

DSPPA MP250UB in Ukraine

CLUBTECH is a direct importer of DSPPA products in Ukraine, supplying professional equipment for public address, background music and commercial audio systems.

We sell equipment wholesale and retail and work with end customers, installers and professional project organizations.

We welcome new cooperation with new customers, installation companies, project organizations, online stores, dealers and business partners.

The DSPPA MP250UB is a practical solution when an installation requires a 250W Class-D amplifier in a compact 1.5U chassis with USB/FM/Bluetooth, 70/100V and 4–16 Ω outputs, MIC/AUX inputs and priority functionality.