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4 Channel Class D Amplifier, 480 Watts

A 4 channel amplifier has to be versatile. It powers the front and rear speakers in a typical audio system. It is used for front speakers and a subwoofer as a popular factory system upgrade. Sometimes it even powers 2 or more subwoofers. The DST401II is up for any of these applications. Its small footprint will fit just about anywhere. But don’t judge its small size. With 480 watts total RMS, there is plenty of power on tap. It’s crossovers and bass boost offer added flexibility.


Power RMS:

  • 4 ohms: 75 watts x 4
  • 2 ohms: 120 watts x 4
  • 4 ohms: 240 watts x 2 BTL

Frequency Response: 20 -20,000Hz

S/N Ratio @ 1 watt: >86.5dB

Damping Factor @ 4 ohms: >129

Distortion (THD): <0.08

Input Sensitivity:

  • 150mV-1.5V
  • 500mV-5V
  • 1V-10V

Fuse: 45A External

Crossover: Hi-Pass and Low-Pass

Slope: 12dB/octave


  • Hi-Pass 50-200Hz
  • Low-Pass 50-200Hz

Bass Boost: 0-12dB @ 45Hz

Dimensions: 8.8×4.3×2 inches

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