DSPPA MP906 – 4×60W Four-Channel Matrix Power Amplifier with Bluetooth, USB, Remote Paging & Telephone Integration
The DSPPA MP906 is a professional four-channel matrix power amplifier designed for advanced public address systems requiring flexible audio routing, multi-zone control, and integrated communication features. It combines high-fidelity amplification, Bluetooth/USB playback, remote paging support, and telephone integration, making it ideal for complex commercial installations.
Technical Specifications:
Amplifier System:
- Type: Four-Channel Matrix Power Amplifier
- Model: MP906
- Rated Output Power: 4 × 60W
- Output Modes:
- 4–16Ω
- 70V / 100V constant voltage
- Channels: 4 independent output channels
Audio Inputs:
Microphone Inputs:
- 3 × balanced MIC inputs
- Phantom Power: +48V supported
- Independent gain and tone control per MIC
Line Inputs:
- 2 × line inputs (adjustable volume & tone)
- Additional AUX inputs (AUX1–AUX5 supported)
Advanced Input Sources:
- Bluetooth streaming
- USB playback (supports MP3 / WMA / WAV / AAC up to 32GB)
- Telephone input (TEL) with adjustable volume
- Fire alarm signal input
- Bell/chime signal input
According to page 2, the amplifier supports multiple audio formats and integrates various communication sources into a single system.
Matrix & Output System:
- 4 independent output channels (CH1–CH4)
- Each channel supports:
- 4–16Ω
- 70V / 100V output
- Matrix routing:
- Any input can be routed to any output channel
- Multiple sources can be mixed into a single channel
From the matrix design (page 2), all sound sources can be distributed flexibly across the four output channels.
Paging & Communication Features:
- 4 remote paging microphone inputs
- Supports linking up to 8 devices
- Telephone paging integration
- Fire alarm and siren trigger support
Priority system (page 2):
AUX1 → Siren → Telephone → Remote Paging → Bell → MP3 / AUX inputs
Audio Performance:
- Frequency Response: 90Hz – 20kHz
- Signal-to-Noise Ratio: ≥75dB
- High fidelity output with low noise
Tone Control:
- Bass: ±10dB @ 100Hz
- Treble: ±10dB @ 10kHz
Independent tone control for each input channel.
Control & Interface:
- LED level indicators for each channel
- Channel monitoring system (1W / 8Ω output)
- Independent volume control per channel
- Built-in MP3 display and control panel
From the front panel (page 3), each channel includes dedicated controls for volume, tone, and monitoring.
Connectivity & Integration:
- RS232 interface for system control
- Remote paging microphone interface (RJ45)
- Telephone line interface
- AUX output (4-channel line output)
Protection System:
- DC protection
- Overload protection
- Short-circuit protection
- Overheat protection
Ensures safe operation in continuous use environments.
Power & Electrical:
- Power Supply: AC 220V / 50Hz
Physical Specifications:
- Dimensions: 483 × 440 × 132 mm
- Net Weight: 25.5 kg
- Rack Mount: Standard 19"
Key Features:
- 4×60W multi-channel output
- Matrix audio routing system
- Bluetooth + USB multimedia playback
- 3 MIC + multiple AUX inputs
- Remote paging + telephone integration
- Fire alarm & siren support
- Independent channel control
- RS232 system integration
- Full protection system
Applications:
- Hospitals
- Factories
- Airports
- Shopping malls
- Hotels
- Schools
- Government buildings
- Large commercial facilities
- Multi-zone paging systems
- Advanced PA systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the MP906 is not a traditional amplifier—it is a matrix system designed for complex projects. It allows full flexibility in routing audio to different zones, integrating paging, telephone, and alarm systems. Compared to standard amplifiers like MP610U or MP1010U, it offers significantly higher control and scalability, making it ideal for professional installations.