FiiO A1


FiiO A1
Stereo Headphone Amplifier


Product Highlights

  • Compact and lightweight
  • Improved output power compared to the E06
  • Power, Volume, and EQ Controls
  • 3.5mm I/O Jacks
  • Rechargeable lithium ion battery through micro USB port


See Overview, Technical Data and Comparison below.


  • The FiiO A1 is an ultra compact headphone amplifier that increases volume and audio quality of your portable music player. The AMP is a significant improvement compared to the prior model based on its durability, design, and increased drive capacity.

    Small but powerful:

    The FiiO A1 is designed to improve sound quality over the levels offered by the E06. The A1 is also designed to offer indicator lights, dedicated volume control, and an added removal clip, which makes the A1 the most portable device FiiO has to offer.

    Tiny Size:

    The A1 fits perfectly into the palm of your hand, which allows for extreme portability and ease of carrying.

    Indicator Lights

    The A1 has built in LEDs to indicate whether it is charging.

    Long Lasting Power:

    The A1 has a built in battery which lasts for up to 13 hours of continuous playback.

    Removable Clip:

    Each A1 device comes with a removable clip which allows for easy control of the device.

  • Model/Number A1
    Weight 20G (incl. Belt Clip)
    Dimensions 42 x 40.7 x 9.4 (mm)
    Battery Capacity 160mAh
    Battery Life >12 Hours
    Charging Time <90 Minutes
    Color Available Titanium Headphone output 3.5mm stereo Jack
    Audio Input 3.5mm stereo jack Bass Boost 3 Levels
    Volume Control Digital volume control Power input 5V/0.8~1A Rec.
    Drive ability 16~100Ω(recommend) Output Impedance <0.2 Ω
    Output Power > 78 mW@32Ω Signal to Noise Ratio >100dB (A-weighted)
    THD + N <0.05% (1Khz) MAX input Level > 1.35 Vrms
    Frequency Response 20Hz~20KHz Channel imbalance < 0.2 dB
    Input Sensitivity 1.05Vrms (Vol=max) Bass Boost > 4.5 Db @100Hz
    Crosstalk > 65dB MAX output current > 50 mA
    Gain 3.65dB
    MAX output voltage >4.52 Vp-p

    Frequency Response diagram of curves
    Test condition:AUX INPUT = 600mV, Vol= Max,1 kHz as reference point
    1: Bass Off. 2: BASS1. 3: BASS2. 4: BASS3



    Distortion diagram of curves
    Test condition:AUX INPUT=300mV,Vol=Max,BASS=OFF
    Red curve: Left channel. Blue curve: Right channel.


  • Model/NumberA5A3A1
    General Specifications
    Color AvailableTitaniumBlack, TitaniumTitanium
    Dimensions124 mm×65.5 mm×14.5 mm91.2 x 56 x 13 (mm)42 x 40.7 x 9.4 (mm)
    Weight168 g92 g20g
    Power Indicator YesYesYes
    Audio input3.5mm stereo jack3.5mm stereo jack3.5mm stereo jack
    Headphone output3.5mm stereo jack3.5mm stereo jack3.5mm stereo jack
    Headphone Impedance Range16~300Ω(recommend)16~150Ω(recommend)16~150Ω(recommend)
    Volume ControlALPS PotentiometerALPS PotentiometerDigital volume control
    Line Control for deviceNONONO
    BASS Boost1 Level1 Level2 Level
    GAIN Control2 Level2 LevelNO
    Cross feedNONONO
    Supply Voltage AdjustableNONONO
    Audio Performance
    Output Power>800 mW(32Ω/THD<1%)
    >450 mW (16 Ω/THD+N<1%)>100 mW (16 Ω/THD+N<1%)
    Frequency Response10 Hz~90 kHz10 Hz~90 kHz20 Hz~20 kHz
    Output impedance<0.3Ω<0.2Ω<0.2Ω
    Crosstalk>75dB@ 1KHz>72dB@ GAIN=H≥65dB@ 1KHz
    THD+N<0.002% (1 kHz)<0.004% (1 kHz)<0.05% (1 kHz
    MAX BASS Boost>5dB@ BASS = ON>5 dB (BASS ONBass1: 2.7dB bass boost
    Bass2: 5.2dB bass boost
    Bass3: 5.2dB bass reduction
    MAX Gain≥13 dB>11 dB3.65 dB
    Peak Output Voltage14.96 Vp-p> 8.67VP-P4.52 Vp-p
    MAX output Current250 mA> 92.6mA50 mA
    Input Overload250 mA/1.35Vrms
    Power and Battery
    Power/Chargerrecommend DC5V 2A< recommend DC5V 1A
    recommend DC5V 0.8~1A
    Charging IndicatorYesYesYes
    Low battery AlarmYesYesNO
    Smart ChargeYesYesNO
    Replaceable BatteryNONONO
    Battery Life> 13H> 16H> 13H
    Charge Time<3 h<4 h≤90 mins