Sundown Audio SDX-90.2 2-Channel 90x2 Car Audio Amplifier/Amp


Moderate power, tiny size, but at the top-end of Full-Range Class-D fidelity. The controls will have a removable cover that bolts down on top of them. The overall case is a big chunk of cast aluminum to keep temperatures in check!

Product Manual


  • High Efficiency Digital Multi-Channel Design
  • 12dB/Octave-Variable High Pass Filter
  • 12dB/Octave-Variable Low Pass Filter
  • DC Auto sense feature
  • 4 Way Protection Circuit (Thermal,
  • Voltage Speaker short and DC Offset)
  • Optional Wired Remote Control


  • 2 Channel Class D Amplifier
  • 2 x 90W @ 4 Ohm
  • 2 x 120W @ 2 Ohm
  • Bridge 4 Ohm: 350W x 1 Ch
  • S/N: >88dB
  • Cast Aluminum Heat Sync
  • Water Resistant
  • Highpass / Lowpass / Bandpass Filter
  • Gain Adjustment 
  • Suitable for vehicles with start / stop function
  • Dimensions in Inch (L x W x H): 5.83" x 3.43" x 1.73"

Note: Unscrew the badge using an allen key to access audio settings.