FiiO E18

FiiO E18
Portable USB DAC and Amplifier


Product Highlights

  • For Computers & Mobile Devices
  • Separate DAC & AMP Functions
  • Supports Resolutions up to 96kHz/24Bit
  • Controls Playback on Compatible Android systems
  • Symmetrical Volume Roller Control
  • Built-In Rechargeable Battery
  • Smart Charging Recharges Your Device
  • Up to 25 Hours AMP Battery Life
  • Up to 12 Hours of DAC Battery Life


See Overview, Technical Data and Comparison below.


  • The E18 Portable USB DAC and Amplifier is designed to provide exceptional digital to analog conversion and amplification to your computer or mobile audio device. The unit is capable of audio resolutions up to 96 kHz/24bit and playback controls on Android devices when in DAC mode. The E18 also has a built-in rechargeable battery that is able to charge your device while in use.  

    USB DAC & Amplifier for Computers 

    USB DAC + AMP function allows you to enjoy higher quality music out of your computer and mobile device. The E18 supports USB audio decoding out of computers up to 96 kHz/24bit.

    Portable Headphone Amplifier

    The E18 can function as an outboard headphone amp for mobile music enjoyment with any source including Androids, iDevices, and DAPs. 

    Android Control

    When connected with a Micro USB cable, the E18 can control the playback for songs on compatible Android devices. Please see the specifications page for more information. 

    Mobile Power

    With a 3,500 mAh high-capacity battery, the E18 can also act as a mobile power source so you don’t need to worry about your smartphone running out of juice while you’re listening to music.

    Built-In Rechargeable Battery with Charging protection

    When used as a power 

  • Model /Number: E18
    Weight: 162 g
    Dimensions: 130 x 66.2 x 14.6 (mm)
    Battery Capacity: 3500 mAh
    Battery Life: >25h (AMP); >12h (DAC+AMP)
    Charging Time: 4h
    Audio Input: 3.5mm stereo jack
    Volume Control: ALPS Potentiometer
    Drive Ability: 16~150Ω (recommend)
    Output Power: > 300mW@32 Ω
    THD+N: <0.005%@1KHz/32 Ω
    Frequency Response: 20Hz~20KHz@10k Ω
    Input Sensitivity: 0/6/12dB=2.25V/1.125V/565mV
    Crosstalk: >72 dB@1KHz
    GAIN Control: 2 level
    Peak Output Voltage: 8 Vp-p
    USB Sample Rate Support: 32/44.1/48/96KHz @16/24Bit
    Colour Available: Black
    Headphone Output: 3.5 mm stereo jack
    Bass boost: 2 level
    Power/Charger: USB 5V/500mA recommend: USB 5V/2A
    Output Impedance:  <0.3 Ω
    Signal to Noise Ratio: > 106 dB
    Input Overload: 1.5 Vrms
    Dynamic Range: >100dB
    MAX output current: >94mA

    AUX Frequency Response diagram of curves.


    AUX Distortion diagram of curves with low Gain .


    AUX Distortion diagram of curves with high & low Gain.


    AUX Distortion diagram of curves with high Gain.


    USB DAC PO Frequency Response diagram of curves.


    USB DAC LO Frequency Response diagram of curves.


    General Specifications
    Color AvailableBlackBlackBlack
    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 feedYesNONO
    apply Voltage AdjustableNONONO
    Audio Performance
    Output Power> 880mW@32Ω > 450mW@16Ω > 100mW@32Ω 
    Frequency Response20Hz~20KHz20Hz~20KHz20Hz~20KHz
    Output impedance<0.3Ω<0.2Ω<0.3Ω
    Crosstalk>65dB@ 1KHz>72dB@ GAIN=H>67dB@ 1KHz
    THD+N<0.005%@ 1KHz<0.004%@ 1KHz<0.02%@ 1KHz
    MAX BASS Boost>5dB@ BASS = ON/>4.5dB@100Hz
    MAX Gain>16dB/>6.5dB
    Peak Output Voltage> 15.5 VP-P> 8.67VP-P> 4.7 VP-P
    MAX output Current>170mA> 92.6mA> 50mA
    Input Overload> 8 Vrms/> 2 Vrms
    Power and Battery
    Power/ChargerUSB 5V/2ADC 5V/500mAUSB 5V/500mA
    Charging IndicatorYesYesYes
    Low battery AlarmNONONO
    Smart ChargeYesYesNO
    Replaceable BatteryNONONO
    Capacity880mAh1400mAh> 160mAH
    Battery Life> 12H> 16H> 17H
    Charge Time<150min<240min<120min