FiiO Alpen 2 E17K Portable USB DAC and Headphone Amplifier

FiiO Alpen 2 E17K Portable USB DAC and Headphone Amplifier

FiiO Alpen 2 E17K Portable USB DAC and Headphone Amplifier

B&H # FIE17K MFR # E17K
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Product Highlights

  • 192 kHz/24-Bit PCM Coaxial Input
  • Dual Function Line In/ Line Out
  • Coaxial Digital Input Port
  • Uses Texas Instruments PCM5102 DAC
  • Rechargeable Battery
  • OLED Display
  • Multifunctional Wheel
  • Supports DSD Decoding
  • 96 kHz/32-Bit Computer Operation
  • Metal Design
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FiiO E17K overview

  • 1Description

The FiiO Alpen 2 E17K is a compact portable USB and coaxial digital to analog converter as well as an analog headphone amplifier for driving your favorite headphones at work and on the road.

Using the unit's SA9027 USB receiver chip, the device can be used as an external sound card for computers with support for up to 96 kHz 32 bit files and DSD decoding (with ASIO driver and SACD plug-in). It features the Texas Instruments PCM5102 digital to analog converter for improved S/N ratio, lower distortion, and more linear digital-analog conversion characteristics than previous generations. It also uses Texas Instruments' flagship OPA1622 low-pass filter, and the OPA1642+LMH6643 chips in an OP+BUF architecture that is often found in higher-end conversion systems.

For I/O the unit features a Micro-USB socket for charging, data exchange, and the option of docking with future desktop products. It also features a coaxial digital input with support up to 192 kHz/24-bit PCM input (via the included 3.5mm to coaxial converter plug), as well as a dual-function line in / line out for maximum convenience.

Two front panel buttons allow you to power on the unit, navigate menus on the OLED display, select the input, and lock the device. All other controls such as bass adjustment, gain level, and volume control are provided by a side mounted multifunction control wheel. The device's internal rechargeable battery provides more than 15 hours of operation on an approximately 3 hour and 40 minute charge.

In the Box
FiiO Alpen 2 E17K Portable USB DAC and Headphone Amplifier
  • Coaxial Adapter Cable
  • Micro-USB Cable
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    FiiO E17K specs

    Input Micro USB
    Coaxial
    1/8" (3.5 mm) analog (dual function in and out)
    Output 1/8" (3.5 mm) stereo jack (dual function in and out)
    Volume Control Digital volume control (0 to 60)
    Bass Boost ±10 dB
    Frequency Response 20 to 20,000 Hz
    THD + N <0.003% (1 kHz)
    SNR > 113 dB (AUX IN Gain 0 dB/6 dB)
    Line Max Input Level > 4 Vrms
    Input Sensitivity 2.70 V (0 dB)
    1.38 V (6 dB)
    0.68 V (12 dB)
    Crosstalk > 75 dB (1 kHz)
    Channel Imbalance 0.5 dB
    Gain 0/6/12 dB
    Max Output Voltage per port > 7.8 Vp-p
    Output Power >200 mW (32 ohm at <1% THD)
    Max Output Current per port >80 mA
    Headphone Impedance 16 to 150 ohms
    Output Impedance < 1.1 ohm
    Sample Rate 96 kHz at 32 bit (USB decoding)
    192 kHz at 24 bit (coaxial digital input decoding)
    Battery Life >15 hours
    Charge Time Less than or equal to 220 minutes
    Battery Capacity >1500 mAh
    >200 mW (32 ohm at 1% THD)
    Power Input 5 VDC 1 A recommended
    Dimensions 4.1 x 2.5 x 0.5" (104.1 x 62.2 x 12.8 mm)
    Weight 3.9 oz (110.0 g)
    Packaging Info
    Package Weight 0.55 lb
    Box Dimensions (LxWxH) 5.2 x 5.2 x 1.3"

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