Nakamichi NDS4631A


The Nakamichi NDS4631A is our DSP with build in amplifier with up to 4 channels providing up to 50W of power, and 31 band parametric EQ allowing you to tune each channel to your preference.

With our DSP, you will be able to fine tune your sounds by measuring, filtering and compressing analog signals into digital output.

Providing you with 4 channels of inputs, and 6 channels of outputs, easily tune each individual channel's gain, frequency and bandwidth with our provided PC or phone software (while on the go!) 

Set the sound stage in your vehicle just the way you want it to with our time delay and phase adjustments for each individual channel. Presets can be saved, in case you are sharing your vehicle with others as well.

With our powerful 64bit DSP, DA and AD converters, and updated internal power supply, the Nakamichi NDS4631A will ensure you have the cleanest sound possible through your speakers.



  • Dynamic Range(RCA Input): ≥100dB
  • S/N (RCA Input): ≥90dB
  • Distortion(THD): ≤0.05%
  • Frequency Response: 20Hz~20KHz
  • Input Impedance: High level input:240Ω ;Low level input:20kΩ
  • Low Level Output: 100Ω
  • N-Power: 4×25W(±1W 10%THD)
  • Output Power:4×50W
  • Signal Input & Output Range:RCA Input:5.5Vpp;High Level:26Vpp;RCA Output:5.5Vpp
  • Power: DC9V~16V
  • REM Input: High Level Input Signal: FL+/FL- or ACC control cable
  • REM Output: +12V Startup Voltage Output
  • Standby Power: ≤0.1W
  • Net Weight: Approx. 1.2Kg
  • Product Dimension(L×W×H): 176×141.2×40mm

What's in the Box

  1. NDS4631 x 1pc
  2. User Manual (One In English and Chinese)  x 2pcs
  3. USB2.0 Cable(1.5m) x 1pc
  4. Cross Head Mechanical Screws(3×6mm) x 8pcs
  5. Self-Tapping Oval Head Screws (4x20mm) x 4pcs
  6. Installation Bracket x 4pcs
  7. Velcro x 2prs


NDS4631A PC Software
NDS4631A Android Software
NDS4631A User Manual

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