DSPPA MP35UB / MP60UB / MP120UB – Mini Digital Mixer Amplifier with Bluetooth, USB, FM & Multi-Input Commercial PA System
The DSPPA MP35UB / MP60UB / MP120UB series are compact 1.5U digital mixer amplifiers designed for commercial public address and background music systems. These models combine multi-source playback, microphone mixing, emergency input integration, and flexible output modes (70V/100V & 4–16Ω), making them ideal for small to medium installations requiring reliable and simple audio control.
Technical Specifications:
Amplifier Models:
- MP35UB → 35W
- MP60UB → 60W
- MP120UB → 120W
Amplifier System:
- Type: Mini Digital Mixer Amplifier
- Installation: 1.5U rack / desktop
- Power Supply: AC 110–240V / 50–60Hz
Audio Inputs:
Microphone Inputs:
- MIC1: Front panel 6.3mm jack (priority input)
- MIC2: Rear panel XLR input
- Phantom Power:
- MP35UB / MP60UB: 48V
- MP120UB: 24V
Line Inputs / Outputs:
- 2 × AUX inputs
- 1 × AUX output
Emergency Inputs:
- 2 × EMC inputs (100V / 375mV)
- 1 × EMC output
Priority system:
EMC / MIC1 > AUX1 / AUX2 / MIC2
Audio Sources:
- Bluetooth
- USB playback
- FM radio
Supports flexible playback from multiple sources.
Output Modes:
- 70V / 100V constant voltage
- 4–16Ω constant resistance
Allows use in distributed PA systems or direct speaker connection.
Audio Performance:
- MIC Frequency Response:
- MP35UB / MP60UB: 200Hz – 10kHz
- MP120UB: 100Hz – 8kHz
- AUX Frequency Response:
- MP35UB / MP60UB: 100Hz – 15kHz
- MP120UB: 80Hz – 15kHz
- Distortion: <1%
- Noise:
- <5mV (MP35UB / MP60UB)
- ≤6mV (MP120UB)
Tone Control:
- Bass adjustment: ±10dB
- Treble adjustment: ±10dB
Control Features:
- Master volume control
- Individual volume control:
- MIC1
- MIC2 / AUX2
- AUX1
- Remote control (infrared)
- Mode selection:
- Bluetooth
- USB
- AUX
- FM
According to the front panel diagram (page 2), the device includes display screen, USB interface, playback controls, and dedicated knobs for MIC, AUX, bass, treble, and master volume.
Physical Specifications:
- Dimensions: 198 × 247 × 66 mm
- Weight:
- MP35UB: 2.55 kg
- MP60UB: 2.6 kg
- MP120UB: 3 kg
Key Features:
- 35W / 60W / 120W power options
- Bluetooth + USB + FM playback
- 2 MIC inputs with priority
- 2 AUX inputs + 1 AUX output
- 2 EMC emergency inputs
- 70V / 100V / 4–16Ω output support
- Phantom power for MIC2
- Bass & treble control
- Remote control operation
- Compact rack-mount design
Applications:
- Mosques
- Schools
- Shops
- Offices
- Restaurants
- Small to medium PA systems
- Background music systems
- Paging systems
- Emergency broadcast systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the MP35UB / MP60UB / MP120UB series are among the most practical all-in-one PA amplifiers for small and medium projects. Unlike simple amplifiers, they combine mixing, microphone control, emergency input, and multi-source playback in one device. The ability to switch between 70V/100V and low impedance makes them highly flexible for different project types. The MP120UB is especially recommended for larger areas requiring stronger output and better coverage.