• DSP outputs: 16
• Integrated Class D amplifier: 8 × 80 W @ 4 Ω (max)
  
• RCA outputs: 8 × 6 V
  
• High-level inputs: 8 channels
  
• RCA inputs: 2 channels (3 V max)
  
• Optical input: 1 × (up to 192 kHz / 24-bit)
  
• Coaxial input: 1 × (up to 192 kHz / 24-bit)
  
• Bluetooth 5.0 codecs: aptX HD / aptX / AAC / SBC
  
• Output EQ: 31-band per channel (±15 dB, 0.1 dB steps)
  
• Output delay: 0–20 ms (0.02 ms steps)
  
• Presets: 8
  
• Operating voltage: 9–16 V
  
• Fuse rating: 40 A
  
• Start-stop ready: Yes
  
• EPS (Error Protection System): Yes
  
• Dimensions: 217 × 170 × 43 mm
  
• Finish: black anodized aluminium

• 16-channel DSP output control for multi-channel system layouts
  
• Integrated 8-channel Class D amplifier (80 W × 8)
  
• 8-channel RCA outputs rated at 6 V for external amplification paths
  
• 31-band EQ per channel (output) + 5-band EQ per channel (input)
  
• Optical and coaxial digital inputs (up to 192 kHz / 24-bit)
  
• Bluetooth 5.0 codec support: aptX HD / aptX / AAC / SBC
  
• Time alignment with 0.02 ms adjustment steps (input and output)
  
• Variable phase shift at crossover filters (0°–359°)
  
• EPS Error Protection System
  
• Start-stop ready, with auto turn-on options (DC offset or signal sensing)
  
• USB-B PC connection for configuration and tuning (as stated)
  
• 8 presets for stored tuning configurations

• High-end vehicles needing DSP control with integrated multi-channel amplification
• Systems requiring 16-channel DSP output management (multi-way front stages, rear channels, sub channels)
  
• Installs using a mix of onboard amplification plus RCA outputs to external amps
  
• Vehicles using digital sources via optical or coax inputs (up to 192 kHz / 24-bit)
  
• Builds needing Bluetooth streaming support with broad codec compatibility
  
• Start-stop vehicles where protection and stable operation are required (as stated)

For many modern installs, the practical requirement is a single unit that can manage channel routing and tuning while also providing enough onboard power to run key speakers without immediately committing to multiple external amplifiers. Based on the published architecture, the DSPA 816 Pro fits that role: 16-channel DSP output control, integrated 8-channel amplification, and 6 V RCA outputs that keep future expansion straightforward. The inclusion of optical/coax inputs and Bluetooth codec support also gives multiple viable source paths without forcing a single integration method.