FiiO A5 Portable headphone amplifier

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FiiO's A5 portable headphone amplifier is a major improvement over the E12 series. The details have been revamped to keep the E12's strengths but to make a much better product. From the external finish to the internal components, the A5 is a major improvement in headphone amplifier systems being more durable and providing much better sound quality.

FEATURES

  • All major components constructed w/ high-precision metal film resistors
  • Can enjoy the A5 on all kinds of headphones due to the low / high gain switch
  • Total harmonic distortion rating of almost 0 percent (better than previous series' rating by 33 percent)
  • Improved signal-to-noise ratio
  • Improved channel balance, lower noise floor, and overall purer sound
  • Highly efficient, low-resistance power management system with considerable power reserve unheard of among portable amplifiers
  • 13 hours of playtime on a full charge
  • Classic circuit architecture w/ reduced distortion and increased dynamic range
  • Sandblasted finish w/ fine grains of zirconium provide more durable product with a smooth finish
  • Design of the volume knob inspired by string instruments w/ 56 45º lines etched onto knob surface

TECHNICAL SPECS

  • Opamp (Operational Amplifier) Combo: MUSE S02 + LME 49600
  • Battery: 880 mAh 11V
  • Charger: 5V/2A 
  • S/N Ratio: 115dB (A-weighted)
  • THD+N: 0.002% (1kHz)
  • Recommended Headphone Impedance: 16 ~ 300 Ω
  • Audio Input: 0.138" stereo jack
  • Volume Control: ALPS potentiometer
  • Drive Ability: 16 - 300 ohms (recommended)
  • Headphone Output: 0.138" stereo jack
  • Bass Boost: 1 level
  • Power Input: recommend DC5V, 2A
  • Charging Time: < 3 hrs
  • Frequency Response: 10Hz - 90kHz ( -3dB Input 220mV )
  • Input Sensitivity: 5.6V (GAIN = L) 1.15V (GAIN = H)
  • Output Impedance: < 0.30 hms
  • Maximum Input Level: > 8Vrms
  • Crosstalk: >/ -75dB 
  • Gain: 13dB (GAIN = H) 0dB (GAIN = L)
  • Channel Imbalance: < 0.3dB
  • Bass Boost Range: > 5dB (BASS ON)
  • Peak Output Voltage: 14.96 Vp-p
  • Maximum Output Current: 250mA
  • Dimensions: 4.88"h x 2.57"w x 0.57"d
  • Weight: 0.37 lbs 

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 www.P65Warnings.ca.gov

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