DSPPA MP600U – 250W 2-Zone Stereo Mixer Amplifier with Bluetooth, USB, FM, Paging & DSP Control
The DSPPA MP600U is a high-performance stereo mixer amplifier designed for commercial public address systems requiring dual-zone control, high power output, and advanced audio management. It integrates Bluetooth, USB playback, FM radio, multiple microphone inputs with phantom power, paging support, and intelligent priority control, making it ideal for professional installations.
Technical Specifications:
Amplifier System:
- Type: Stereo Mixer Amplifier
- Model: MP600U
- Rated Output Power: 250W
- Zones: 2 independent zones
Audio Inputs:
Microphone Inputs:
- 1 × MIC (6.35mm front panel)
- 3 × MIC (XLR balanced)
- Phantom Power: +24V supported
- Independent gain control per MIC
Line Inputs / Outputs:
- 2 × AUX inputs
- 1 × LINE OUT
- 1 × PRE OUT (for external preamp/mixer expansion)
Audio Sources:
- Bluetooth
- USB playback
- FM Radio
- AUX input
Supports full multimedia playback without external devices.
Audio Performance:
- Frequency Response: 60Hz – 16kHz
- Total Harmonic Distortion: ≤1%
- Signal-to-Noise Ratio: ≥75dB
Tone Control:
- Bass: ±10dB @ 100Hz
- Treble: ±10dB @ 10kHz
- Digital tone adjustment displayed on screen
Control & Interface:
- LCD display screen with real-time status
- Digital master volume (0–32 levels)
- Independent volume control:
- MIC1–MIC4
- AUX inputs
- Zone 1 / Zone 2
According to the front panel (page 3), the unit provides full control including zone volume, tone control, and signal indicators for precise system management.
Priority & Paging System:
Priority order:
MUTE > EMC = MIC1 > RM20 > CHIME = SIREN > MIC2/3/4 > AUX / Bluetooth / FM / USB
- MUTE trigger input
- EMC emergency input
- Remote paging support (up to 2 RM20 stations)
- Chime and siren trigger functions
- Independent chime/siren volume control
Connectivity & Interfaces:
- RS485 communication interface
- EMC input with volume control
- Paging microphone interface
- DC 24V backup power input
- FM antenna input
From the rear panel diagram (page 3), the amplifier supports full system integration including external triggers, paging mic, and expansion outputs.
Protection System:
- Short-circuit protection
- Over-temperature protection
- No-output protection under fault
Power & Electrical:
- Power Supply: AC 220–230V / 50–60Hz
- DC Backup: 24V supported
- Power Consumption: up to 450W
Physical Specifications:
- Dimensions: 420 × 403 × 88 mm
- Net Weight: 11.7 kg
- Gross Weight: 12.5 kg
Key Features:
- 250W high-power stereo amplifier
- 2-zone independent control
- Bluetooth + USB + FM playback
- 4 MIC inputs with phantom power
- LCD display with real-time control
- Advanced priority and paging system
- Remote paging support (RM20)
- RS485 communication
- Chime & siren trigger functions
- DC 24V backup support
Applications:
- Hotels
- Shopping malls
- Hospitals
- Offices
- Factories
- Schools
- Commercial buildings
- Multi-zone audio systems
- Paging + background music systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the MP600U is a major upgrade over traditional mixer amplifiers. It combines high power, dual-zone control, smart interface, and full paging integration in one device. Unlike MP250UB or MP300PIII, this model is designed for more advanced systems where remote paging, automation, and multi-zone control are required. It is ideal for professional commercial environments.