DSPPA DMA6500U – 500W Digital Mixer Amplifier with Bluetooth, USB, FM, 6-Zone Control & Remote Paging Support
The DSPPA DMA6500U is a high-performance digital mixer amplifier designed for advanced public address systems requiring smart control, multi-zone management, remote paging integration, and high power output. It integrates Bluetooth, USB/SD playback, FM tuner, DSP-based control interface, and dual-channel remote paging support, making it a complete solution for modern commercial and industrial audio systems.
Technical Specifications:
Amplifier System:
- Type: Digital Mixer Amplifier
- Model: DMA6500U
- Rated Output Power: 500W
- Output Modes:
- 70V / 100V constant voltage
- 4–16Ω low impedance
- Zones: 6 independent zones
Audio Inputs:
Microphone Inputs:
- 4 × MIC inputs
- MIC1: Balanced XLR input
- MIC2 / MIC3 / MIC4: Phoenix connectors
- Phantom Power: +48V supported
Line Inputs / Outputs:
- 4 × AUX inputs
- 1 × LINE output
Emergency Input:
- 1 × EMC input (priority signal)
Audio Sources:
- Bluetooth
- USB playback (up to 32GB)
- SD Card (TF)
- FM Radio
As described on page 1, the system integrates all playback sources with a digital control interface and LCD display.
Audio Performance:
- MIC Frequency Response: 120Hz – 12kHz (±3dB)
- AUX Frequency Response: 80Hz – 15kHz (±3dB)
- Total Harmonic Distortion: <1%
- Tone Control:
- Bass: ±10dB
- Treble: ±10dB
Zone Control:
- 6 independent zones
- Individual volume control per zone
- One-touch zone broadcast switching
- LED indicators for each zone
From the control panel (page 3), each zone has independent volume knobs and indicators for precise management.
Priority & Paging System:
Priority order:
MUTE > EMC IN = SIREN > MIC1 > CHIME > Remote Paging > LINE / MIC / MEDIA
Paging Features:
- Dual RJ45 remote paging microphone ports
- Supports DMA20 paging station
- Up to 6 paging stations per channel
- Transmission distance up to 300–600 meters
Control & Interface:
- LCD backlit display
- 5-segment LED level indicator
- Full digital control interface
- Independent volume control for:
- Zones
- MIC
- AUX
- Chime / Siren / EMC
Connectivity & Integration:
- RJ45 paging interface
- Short-circuit trigger inputs:
- Siren trigger
- Mute trigger
- DC 24V emergency power input
- AC/DC dual power support
From the rear panel (page 4), the amplifier supports full integration with external systems and emergency triggers.
Protection System:
- Overload protection
- Clipping protection
- Short-circuit protection
- Temperature protection
Power & Electrical:
- Power Supply: AC 220–230V / 50–60Hz
- Backup Power: DC 24V
- Power Consumption: ~660W
Physical Specifications:
- Dimensions: 430 × 390 × 88 mm
- Net Weight: 10.1 kg
- Rack Mount: Standard 19"
Key Features:
- 500W high-power output
- 6-zone independent control
- Bluetooth + USB + SD + FM
- 4 MIC + 4 AUX inputs
- Dual remote paging support (RJ45)
- LCD display with digital control
- Advanced priority system
- Siren & emergency trigger integration
- AC + DC backup power
- Full protection system
Applications:
- Airports
- Shopping malls
- Hospitals
- Factories
- Hotels
- Universities
- Government buildings
- Industrial PA systems
- Advanced paging systems
- Large multi-zone installations
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the DMA6500U is a major upgrade over traditional analog amplifiers like MP610U and MP1010U. It offers digital control, remote paging integration, advanced priority logic, and better system flexibility. It is ideal for high-end projects that require centralized control, automation, and long-distance paging communication.