The DSPPA MP120UB is a 1.5U mini digital mixer amplifier rated at 120W, with Bluetooth, FM radio and USB playback and a 70V/100V or 4-16Ω speaker output. It suits cafes, shops and gyms that want background music and a paging mic from one compact box.
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The DSPPA MP120UB is a compact digital mixer amplifier rated at 120W, built into a 1.5U case with Bluetooth, FM radio and USB MP3 playback. DSPPA positions this series for gyms, coffee shops and supermarkets, and at just 198 mm deep it fits on a small shelf behind a counter. One box handles both the background playlist and the paging mic.
DSPPA MP120UB specifications
- Rated output: 120W.
- Output: 70V/100V constant voltage or 4-16Ω.
- 2 mic inputs, 2 line inputs, 1 line output.
- 2 EMC inputs (100V and 375mV) plus 1 EMC output.
- Mains 110-240V with a 24V DC backup input.
- Size 198 × 247 × 66 mm (D×W×H); net weight 3 kg.
Front jack plus a phantom-powered XLR
MIC1 is a 6.3 mm jack on the front with priority over music. MIC2 is a balanced XLR on the back with 24V phantom power, so a desktop condenser mic at the cashier or reception works without an extra power supply. MIC2 shares a channel with AUX2 through a selector switch; turn the volume down or switch off before changing it.
Music sources and controls
The Mode button steps through Bluetooth, USB, AUX and FM, and the display shows which one is active. In FM mode, the play key auto-scans stations; a long press on next or previous changes volume. You also get a master volume, separate level knobs for each mic and line input, bass and treble with 10dB of range, an output level indicator, and IR remote support.
Emergency priority and battery backup
Priority runs EMC and MIC1 first, then AUX1, AUX2 and MIC2. An alarm signal arriving from another system on the 100V or 375mV EMC input cuts over the music, and the master volume does not affect the rear EMC input. The 24V DC backup input keeps the unit working during a power cut, though the datasheet notes the MP120UB delivers only half power in that mode.
MP120UB use cases in Saudi Arabia
- Coffee shops and small restaurants: a Bluetooth playlist over ceiling speakers on a 100V line.
- Gyms: workout music with coach instructions from the mic.
- Pharmacies and supermarkets: staff calls and promotions over the music.
- Office prayer rooms and private rest houses: one or two mics with a modest speaker count.
MP120UB vs MP250UB vs MP60UB
The MP120UB and MP250UB share the same inputs, display, Bluetooth and 3 kg net weight. The differences are power (120W vs 250W) and mains: the MP120UB accepts 110-240V with no switch, while the MP250UB needs its rear selector set to 110-120V or 220-240V. The MP120UB is also shallower, at 198 mm against 250 mm. For very small spaces, the MP60UB offers 60W in the same case size as the MP120UB.
Frequently Asked Questions
Does the MP120UB work with 100V ceiling speakers?
Yes. It has 70V and 100V constant-voltage outputs plus a 4-16Ω output; keep the total speaker tap wattage within 120W.
Can I play music from my phone?
Yes, over built-in Bluetooth. It also plays MP3 files from USB and has an FM tuner.
What happens in a power cut?
With a 24V DC source on the backup input, the unit keeps running at half power, according to the datasheet.
Specifications
- Model: MP120UB
- Series: MP35UB / MP60UB / MP120UB / MP250UB mini digital mixer amplifiers
- Height: 1.5U
- Rated output power: 120W
- Output mode: 70V/100V constant voltage, 4-16Ω constant resistance
- Inputs and outputs: 2 mic (MIC1 6.3 mm front, MIC2 XLR rear), 2 line in, 1 line out
- EMC inputs: 2 (100V and 375mV), 1 EMC out
- Phantom power: 24V on MIC2
- Built-in sources: Bluetooth, FM radio, USB MP3 player
- Priority: EMC/MIC1 > AUX1/AUX2/MIC2
- Controls: Master volume, individual MIC/LINE volume, bass, treble, IR remote
- Power supply: AC 110-240V, 50/60Hz
- Backup power input: 24V DC (half power output on MP120UB)
- AUX1 / AUX2 sensitivity: 300mV ±10%
- EMC input sensitivity: 350mV ±10%
- AUX frequency response: 80Hz-15kHz (±3dB)
- Distortion: <1% at 1kHz
- Bass / Treble: 10dB (±2)
- Unit size (D×W×H): 198 × 247 × 66 mm
- Net weight: 3 kg
Features
- 120W with 70V/100V or 4-16Ω output: drive ceiling speakers on a 100V line or a few nearby low-impedance speakers.
- Built-in Bluetooth, USB and FM: play straight from a phone with no extra player.
- XLR mic input with 24V phantom power: connect a condenser mic at the cashier or reception desk.
- Two EMC inputs (100V and 375mV): an alarm signal from another system overrides the music.
- 24V DC backup input: keeps running at half power during a mains outage.