SMSL A6 Headphone Amplifier

The SMSL A6 Headphone Amplifier is equipped with CM6632A USB receiver chip, AKM AK4452 decoder chip, and an ultra-low distortion electronic volume control NJW1194A. For inputs, it includes USB, coaxial, optical, LP phono, and CD analog. For outputs, it can connect to your DAC, speakers, or your headphones through the 3.5mm headphone port. Finally, the built-in double wooden Salim Patent sound SDB (SMSL Dynamic Bass) enhances the sound by dynamically adjusting the bass and treble to achieve great sound.


  • Inputs: USB/Optical/Coaxial/LP PHONO/CD analog
  • Outputs: DAC/Speakers/3.5mm headphone port
  • Phono Input: MM
  • USB Transfer Mode: Asynchronous
  • USB Compatibility: Windows XP/7/8/8.1/10
  • Bit Depth: USB 16-32bit,1bit, Optical/Coaxial 16-24 bit
  • Sampling Rate: USB PCM 44.1-384kHz, USB DSD 2.8224/5.6448/11.2896/225.792MHz, Optical/Coxial 44.1-192kHz
  • THD+N
    • DAC Out: 0.0005%
    • Headphone Amp Out: 0.004%
    • Power Amplifier Out: 0.0025%
  • Dynamic range: DAC Out 110dB
  • SNR
    • DAC Out 100dB
    • Headphone Amp: 93dB
    • Power Amplifier Out: 117dB
  • Headphone Amp Output Power
    • 32ohm 330mW@THD=0.13%
    • 64ohm 545mW & THD=0.12%
    • 150ohm 240mW & THD=0.16%
    • 300ohm 122mW & THD=0.13%
  • Output power: (4ohm) - 50W, (8ohm) - 30W
  • DAC Output level: 2.5VrmS
  • Power Consumption: 45W
  • Standby Power: 3.6W
  • Machine Size: 198 x 215 x 45 mm
  • Weight: 1580 g
  • Included
    • SMSL Ice Multifunction Amplifier x 1
    • Remote Control x 1
    • User Manual x 1
    • Power Cable x 1

SMSL A6 Headphone Amplifier User Manual Download

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