DSPPA DM858 – 4×20W Smart WiFi Music Amplifier, 7" Touch Screen Network Audio Controller with Dual-Zone Control, DSP & Intercom System
The DSPPA DM858 is a flagship high-performance smart wall amplifier designed for advanced residential and commercial audio systems requiring multi-zone control, powerful output, full network connectivity, and intelligent audio processing. Featuring a 7-inch capacitive touch display, 4×20W Hi-Fi amplifier, WiFi + LAN + Bluetooth connectivity, SigmaDSP processing, dual-zone independent control, and intercom capability, the DM858 is ideal for villas, smart homes, hotels, offices, and large integrated audio environments.
Technical Specifications:
Amplifier System:
- Type: Smart WiFi Music Amplifier
- Model: DM858
- Output Power: 4 × 20W @ 8Ω
- Output Channels: 4-channel amplifier (dual-zone support)
- Output Type: Hi-Fi Digital Amplifier
Audio Sources:
- Local Music
- Network Music
- Internet Radio
- Bluetooth
- AUX Input
Supports full online + offline playback systems.
Wireless & Network:
- WiFi
- Wired LAN (RJ45 10/100M)
- Bluetooth 4.0 (range up to 10m)
- AirPlay / DLNA support
Provides full smart streaming and network audio control.
Audio Performance:
- Frequency Response: 20Hz – 20kHz
- Total Harmonic Distortion: ≤0.1%
- Signal-to-Noise Ratio: ≥81dB
- Supported Formats:
- MP3
- WAV
- FLAC
Smart Processing & Features:
- Built-in SigmaDSP audio processor
- 10-band EQ adjustment
- Exponential volume control (optimized for human hearing)
- Automatic calibration & scheduling system
- Weekly scheduling (time/date-based playback)
- Power-off memory function
Control & Integration:
- Display: 7" industrial TFT capacitive touch screen
- CPU: 64-bit quad-core Cortex-A53
- GPU: Mali400MP2
- Control Methods:
- Touch interface
- Mobile app / network control
- Intercom Function:
- Built-in microphone
- Multi-device intercom within LAN
- I/O Interfaces:
- RS485
- Trigger I/O ports (5–24V DC)
- Relay output
Additional Features:
- Dual-zone independent control (separate volume per zone)
- 2.1 bass output support (external subwoofer)
- Ultra directional sound beam technology
- 4K hardware decoding support (multimedia capability)
Power & Electrical:
- Power Supply: AC 100–240V / 50–60Hz
- Power Consumption: ≤30W
Build & Design:
- Installation Type: Wall-mounted smart panel
- Design: All-metal precision body
- Display: Full-screen graphical UI
- Appearance: Premium modern minimalist design
- Colors: Black / White / Gold
Dimensions:
- Product Size: 124 × 175 × 52 mm
- Gross Weight: 7 kg
Key Features:
- 4×20W high-power smart amplifier
- Dual-zone independent audio control
- 7" full touch display
- WiFi + LAN + Bluetooth connectivity
- AirPlay / DLNA streaming
- SigmaDSP audio processing
- Built-in intercom system
- Scheduling & automation functions
- 2.1 subwoofer output support
- Premium all-metal design
Applications:
- Villas
- Smart homes
- Hotels
- Offices
- Retail spaces
- Multi-room audio systems
- Smart buildings
- Conference rooms
- Luxury apartments
- Integrated audio automation systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the DM858 is the most powerful and complete smart wall audio solution in this lineup. Unlike DM835, DM837, DM836II, and DM838II, this model introduces true multi-zone control with 4-channel output, stronger amplification, and full smart ecosystem capabilities including scheduling, intercom, and network streaming. It is ideal for large villas, smart homes, and commercial projects where one device can control multiple zones with high performance and full automation.