DSPPA DMA500U – 500W Digital Mixer Amplifier with Bluetooth, FM, USB & 100V Output
Overview:
• The DSPPA DMA500U is a professional 500W digital mixer amplifier designed for public address and background music systems
• It integrates USB playback, FM radio, and Bluetooth in one compact amplifier unit
• The amplifier supports 100V constant voltage output and 4Ω–16Ω speaker output, making it suitable for distributed PA speaker systems and low-impedance speaker connections
• It includes 3 MIC inputs, 2 AUX inputs, 2 EMC inputs, and 1 AUX output for flexible audio source connection
• The system supports priority control, making it suitable for paging, emergency announcements, and background music applications
• It features a clear segment code tube display for easy operation and system status monitoring
• The amplifier can be controlled using an infrared remote controller for convenient daily use
Key Features:
• 500W digital mixer amplifier
• Built-in Bluetooth function
• Built-in FM radio
• Built-in USB playback
• 3 MIC inputs
• 2 AUX inputs
• 2 EMC inputs
• 1 AUX output
• Supports 100V constant voltage output
• Supports 4Ω–16Ω speaker output
• MIC input with phantom power
• Priority function for paging and emergency signals
• Priority order: MUTE > EMC / Alarm / Chime > MIC1 > Others
• Master volume control
• Independent MIC and AUX volume control
• Bass and Treble tone control
• Siren short-circuit trigger function
• Mute short-circuit trigger function
• Infrared remote control supported
• Clear digital display screen
• Suitable for public address, paging, and background music systems
Technical Specifications:
• Brand: DSPPA
• Model: DMA500U
• Product Type: Digital Mixer Amplifier
• Rated Output Power: 500W
• Speaker Output: 100V / 4Ω–16Ω
• Audio Sources: USB / FM / Bluetooth
• MIC Inputs: 3 MIC IN
• AUX Inputs: 2 AUX IN
• EMC Inputs: 2 EMC IN
• AUX Output: 1 AUX OUT
• MIC1 Input Sensitivity: 10mV ±1mV
• MIC2 Input Sensitivity: 10mV ±1mV
• AUX1 Input Sensitivity: 350mV ±50mV
• AUX2 Input Sensitivity: 350mV ±50mV
• EMC Input Sensitivity: 350mV ±50mV
• MIC Frequency Response: 120Hz – 12kHz ±3dB
• AUX Frequency Response: 80Hz – 15kHz ±3dB
• Distortion: <1%
• Treble Control: 10dB ±2
• Bass Control: 10dB ±2
• Priority Function: Supported
• Remote Control: Infrared Remote Controller
• Display: Segment Code Tube Screen
• Power Supply: AC110–AC115V or AC220–230V, 50/60Hz
• DC24V Rated Output: 250W
• Working Temperature: -10°C to +50°C
• Relative Humidity: 20%–80%
• Machine Dimensions: 430 × 380 × 88 mm
• Package Dimensions: 550 × 500 × 165 mm
• Net Weight: 6.3kg
• Gross Weight: 7.8kg
Applications:
• Public address systems
• Background music systems
• Paging and announcement systems
• Schools and universities
• Mosques and prayer rooms
• Offices and administration buildings
• Commercial buildings
• Retail stores and supermarkets
• Restaurants and cafés
• Clinics and medical centers
• Warehouses and factories
• Hotels and halls
• 100V line speaker installations
• Emergency announcement systems
Connect Gates Recommendation:
• Recommended for projects that need a powerful 500W PA mixer amplifier with multiple input sources and flexible speaker output
• Suitable for medium and large sound distribution systems using 100V line speakers
• A strong choice when Bluetooth, FM, USB playback, multiple MIC/AUX inputs, priority paging, and 500W output power are required
• Ideal for installations where background music and microphone announcements are needed from one reliable amplifier unit