FiiO A5 Portable Headphone Amplifier (Black)

BH #FIA5BLK • MFR #A5BLK
FiiO
FiiO A5 Portable Headphone Amplifier (Black)
Key Features
  • 800mW at 32 Ohms
  • Signal to Noise Ratio of 115 dB
  • Total Harmonic Distortion of 0.002%
  • CNC-Milled 3.5mm Headphone Jack
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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.
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FiiO A5 Overview

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 3.5mm 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 3.5mm 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 3.5mm 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

 

FiiO A5 Specs

Inputs and OutputsAudio Input: 1/8" / 3.5 mm Stereo Jack
Headphone Output: 1/8" / 3.5 mm Stereo Jack
Volume ControlALPS Potentiometer
Bass BoostBass Boost: 1 Level
Bass-Boost Range: >5 dB (Bass On)
Drive Ability16 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 Response10 Hz to 90 kHz (-3 dB, Input: 220 mV)
Input Sensitivity5.6 V (Gain = L) 1.15 V (Gain = H)
Crosstalk≥75 dB
Gain13 dB (Gain = H)
0 dB (Gain = L)
Peak Output Voltage14.96 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 Current250 mA (for Reference)
Power Input5 VDC, 2 A (Recommended)
BatteryBattery 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
Weight5.9 oz / 168.0 g (Including Battery)
Packaging Info
Package Weight0.885 lb
Box Dimensions (LxWxH)7.4 x 4.4 x 1.95"
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