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 a complete all-in-one solution for small to medium PA installations.
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
According to the description on page 1, the amplifier integrates all common playback sources, eliminating the need for external players.
Output Modes:
- 70V / 100V constant voltage
- 4–16Ω constant resistance
This allows flexible deployment in distributed PA systems or direct speaker setups.
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
- ≤6mV
Tone Control:
- Bass adjustment: ±10dB
- Treble adjustment: ±10dB
Control Features:
- Master volume control
- Independent volume control:
- MIC1
- MIC2 / AUX2
- AUX1
- Infrared remote control
- Mode switching:
- Bluetooth / USB / AUX / FM
From the front panel diagram (page 2), the unit includes display, USB interface, playback controls, and dedicated knobs for full audio management.
Physical Specifications:
- Dimensions: 198 × 247 × 66 mm
- Net Weight:
- 2.55 kg (MP35UB)
- 2.6 kg (MP60UB)
- 3 kg (MP120UB)
Key Features:
- 35W / 60W / 120W power options
- Bluetooth + USB + FM playback
- 2 MIC inputs with priority
- 2 AUX inputs + 1 AUX output
- EMC emergency input system
- 70V / 100V / 4–16Ω output support
- Phantom power for professional microphones
- Bass & treble control
- Remote control operation
- Compact rack-mount design
Applications:
- Mosques
- Schools
- Shops
- Offices
- Restaurants
- Clinics
- Small to medium PA systems
- Paging systems
- Background music systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, this series is one of the most practical entry-to-mid level PA solutions. It combines mixer, amplifier, and audio player in one compact device, reducing system complexity and cost. The MP60UB is ideal for small projects, while the MP120UB is the best choice for larger spaces requiring stronger coverage and more stable performance.