FiiO A3 Portable headphone amplifier

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  • $ 59.99

Free standard shipping on all orders within the continental US.

FiiO's A3 portable headphone amplifier has way more power behind their new design.


  • All-aluminum-alloy body and chassis increases metal texture and increases shielding from EM interference.
  • New toggle switches are more reliable and easier to read and operate.
  • Pre amplifier OPA1642 serves as the voltage amplifier, with great layering and medium and high frequency extension.
  • Power amplifier AD8397 serves as the current amplifier, with great control of low frequencies and smooth drive.
  • Bass On boosts bass effect without influencing the overall sound field; Bass Off bypasses bass circuit, decreases interference and noise floor so as to ensure the purity of the sound quality.
  • Can work while charging. 1400mAh built-in battery provides more than 16 hours of battery life.


  • Weight: 92 g
  • Audio Input: 3.5 mm stereo jack
  • Volume Control: ALPS potentiometer
  • Drive Ability: 16~150 Ω (recommend)
  • Battery Capacity: 1400 mAh
  • Output Power: 270 mW (32 Ω/THD+N<1%). 450 mW (16 Ω/THD+N<1%)
  • THD: 0.004% (1 kHz)
  • Frequency Response: 10 Hz~90 kHz(-3dB,Input: 300mV)
  • Input Sensitivity: 2.4 V (GAIN=L), 0.8 V (GAIN=H)
  • Crosstalk: ≥72 dB (Gain=H)
  • Gain: -3.8 dB (GAIN=L), 11.7 dB (GAIN=H)
  • MAX Output Voltage: 8.67 Vp-p

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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