FiiO A5 Portable Headphone Amplifier (Black)

FiiO A5 Portable Headphone Amplifier (Black)

FiiO A5 Portable Headphone Amplifier (Black)

FiiO A5 Portable Headphone Amplifier (Black)

FiiO A5 Portable Headphone Amplifier (Black)

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Product Highlights

  • 800mW at 32 Ohms
  • Signal to Noise Ratio of 115 dB
  • Total Harmonic Distortion of 0.002%
  • CNC-Milled 1/8" Headphone Jack
  • High/Low Switch for Various Headphones
  • 880mAh 11V Battery
  • Play Time: 13 Hours
  • Charge Time: 2.5 Hours
  • Includes Silicone Bands and Pads
  • USB Charging Cable and 1/8" Audio Cable
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FiiO A5 overview

  • 1Description

Building upon the success of the E12 series, the black Fiio A5 is a headphone amplifier designed to be used on the go and provide a hi-fi sonic backdrop to any traveling situation. The A5 utilizes the same combination of opamps (Muse02 + LME49600) as the E12A, but delivers improved performance with high precision components that provide better harmonic distortion, a higher signal-to-noise ratio, and an improved channel balance.

The headphone amplifier also sports an 880mAh battery which can last up to 13 hours on a 2.5-hour charge when supplied power via an optional 5V/2A charger. When charging, the A5 will automatically adjust the amount of current it accepts depending on whether you're using a computer's USB port, a tablet charger, or a cell phone charger. An LED indicates the A5's charging status.

Furthermore, the 1/8" headphone jack utilizes a CNC stainless steel ring, rather than copper, which was used in previous models. This, combined with a plastic ring, ensures the termination port is integrated with no gaps whatsoever, giving you a sturdier connection for your headphones. The amp accepts signal through a 1/8" jack located near the headphone jack, and features a switch that allows you to adjust between high and low gain settings. The A5 ships with a USB power cable, two silicone pads, four silicone bands, an 1/8" audio cable, and a cloth pouch

Key Features at a Glance
  • Provides 800mW at 32 Ohms
  • Offers a MUSES02 and LME49600 Opamp combination
  • Sports a signal to noise ratio of 115 dB
  • Features a total harmonic distortion of 0.002%
  • Utilizes low resistance power management
  • Provides an 880mAh 11V battery
  • Battery lasts for up to 13 hours on a 2.5-hour charge 
  • LED displays charging status
  • CNC-Milled headphone jack provides sturdier connection
  • Volume knob inspired by string instruments and designed with fifty-six 45° etched lines
  • Sandblasted zirconium finish provides a robust enclosure


In the Box
FiiO A5 Portable Headphone Amplifier (Black)
  • USB Power Cable
  • 2 x Silicon Pads
  • 4 x Silicon Bands
  • 1/8" Audio Cable
  • Cloth Pouch
  • Limited 180-Day Warranty on Battery
  • Limited 1-Year Warranty on Mainframe
  • Table of Contents
    • 1Description

    FiiO A5 specs

    Inputs and Outputs Audio Input: 1/8" / 3.5 mm stereo jack
    Headphone Output: 1/8" / 3.5 mm stereo jack
    Volume Control ALPS Potentiometer
    Bass Boost Bass Boost: 1 Level
    Bass Boost Range: >5 dB (Bass On)
    Drive Ability 16 to 300 Ohms (recommended)
    Output Power >800 mW (32 Ohms / THD <1%)
    ≥150 mW (300 Ohms / THD <1%)
    THD + N <0.002% (1 kHz)
    Frequency Response 10 Hz to 90 kHz (-3 dB, input: 220 mV)
    Input Sensitivity 5.6 V (Gain = L) 1.15 V (Gain = H)
    Crosstalk ≥75 dB
    Gain 13 dB (Gain = H)
    0 dB (Gain = L)
    Peak Output Voltage 14.96 V p-p
    Output Impedance <0.3 Ohms
    Signal-to-Noise Ratio (SNR) ≥115 dB (A-weighted)
    Line Max Input Level >8 Vrms
    Channel Imbalance <0.3 dB
    Max Output Current 250 mA (for reference)
    Power Input 5 VDC, 2 A (recommended)
    Battery Battery Capacity: 880 mAh
    Battery Life: ≥13 hours
    Charging Time: <3 hours (5 VDC 2 A)
    Dimensions (L x W x D) 4.9 x 2.6 x 0.6" / 124.0 x 65.5 x 14.5 mm
    Weight 5.9 oz / 168.0 g (including battery)
    Packaging Infocsdazbacxayarrfrdz
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 8.347 x 6.535 x 4.331"

    FiiO A5 reviews

    A5 Portable Headphone Amplifier (Black) is rated 5.0 out of 5 by 9.
    Rated 5 out of 5 by from A5 Amp is Excellent and Perfect for the New X5-lll DAP Having purchased the E12A and FiiO X5-ii DAP from B&H awhile ago, I ordered the A5 Amp in anticipation of the release of the new X5-lll DAP, which I had pre-ordered and now have received from B&H. The A5 worked wonders with the previous X5 version, but the A5 Amp paired with the new X5-lll is nothing short of Remarkable. This combination of DAP / AMP is extraordinary in its ability to bring new musicality and depth to every Hi-Res recording I have listened to. Very Highly Recommended.
    Date published: 2017-03-12
    Rated 5 out of 5 by from Would buy again I use this amplifier with my iPhone or an ancient iTouch to push volume into my Hifiman HE-400i headphones. Being older and a little deaf already, I needed extra volume, particularly with these headphones, and the amplifier works beautifully. I set the amplifier to low gain usually. On high gain the volume knob takes the volume far higher than I want. The sound is excellent. The amplifier came in a very nice package that included bands to hold the device and amplifier together, with a thin rubber sheet to go between the two to protect the surfaces. The amplifier itself is solid and a bit heavier than either of my devices. I'm pleased with how well designed the amplifier is and how well it works in tandem with my devices.
    Date published: 2017-03-21
    Rated 5 out of 5 by from I would buy this product again I am using this with my FiiO X5 Gen II and it has met my expectations. I use it with my Audio Technica, Sennheiser, and shure headphone and it works well with all of them. Plenty of clear accurate audio power.
    Date published: 2017-03-23
    Rated 5 out of 5 by from portable bliss Nice size considering the power and battery life. Quality feel and build. Teamed with the amazing sound quality of my new LG-V30 smartphone and full size Hifiman HE 400i, pure bliss!!! The bass boost adds just enough fun when desired. And as always a great experience buying from B&H!
    Date published: 2017-11-03
    Rated 5 out of 5 by from Excellent, Powerful Headphone Amp Powerful and Extremely Efficient Amp for Headphones and IEM's. Out classes the E12A, my prior amp, in power and responsiveness. Flawless design and excellent battery life: suitable for any DAP. Highly Recommended!!
    Date published: 2017-02-21
    Rated 5 out of 5 by from Best amp Ive gotten yet. A worthy successor to the E12 . I mated it with my x5.
    Date published: 2017-03-05
    Rated 5 out of 5 by from A great addition Hello. If you are in to high res audio or you want your mobile device sound improved and have great set headphones, you need an amplifier. There are many out there and thill one will do the task as well. It goes great with my Fiio X5 (3rd gen) player. I was impressed when I first heard the pair together they cannot live without each other. Simple to use and fairly inexpensive you will be happy with it.
    Date published: 2017-05-28
    Rated 5 out of 5 by from Very good mobile headphone amp for the money. This is a very solidly built, clean sounding, and impressively powerful mobile headphone amp. If you want a mobile headphone amp that can power up many full sized headphones to impressive volume levels yet stay very clean, and still have a good battery life, then this is a outstanding unit for the money.
    Date published: 2017-05-04
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