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FiiO Alpen 2-E17K (E17K)

Portable USB DAC and Headphone Amplifier

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FiiO Alpen 2-E17K (E17K)

Portable USB DAC and Headphone Amplifier

$99.99

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FiiO Alpen 2-E17K



FiiO Alpen 2-E17K



FiiO Alpen 2-E17K



FiiO Alpen 2-E17K



FiiO Alpen 2-E17K



FiiO Alpen 2-E17K



General Features:

  • Portable USB DAC and Headphone Amplifier
  • Adjustable Treble, Bass, Gain and Channel Balance
  • OLED Display
  • Micro USB input port
  • Line out available
  • Multifunction Volume Wheel
  • Coaxial Digital Input
  • Working Status Indicator
  • USB Status Indicator
  • Standard 3.5mm Line-in Port
  • Battery Life: 15 Hrs
  • Dimensions: 2.45"W x 4.1"D x 0.50"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product History:

FiiO E17K thumbnail
(newest, current model)
FiiO E17 thumbnail
(previous model, replaced by FiiO Alpen 2-E17K (E17K))

Headphone Amplifier Specifications

Amplifier Style
Some headphone amplifiers are designed to be portable and others are meant to be placed on a desk. This will tell you what style of amplifier this item is.
Portable
Digital-to-Analog Converter (DAC)
A Digital-to-Analog converter (also known as a DAC) converts a digital audio signal into an analog signal. This is especially helpful for listen to music from digital sources, such as iPods and smart phones.
Built-in
Frequency Response
The range of frequencies the amplifier will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 20,000 Hz
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.003%
Input Connection
This is the manner in which the headphone amplifiers receive an input audio signal.
USB
Input Impedance
This is the input impedance of the headphone amplifier.
16-150 ohms
Output Connection
This is the manner in which the headphone amplifier will output the audio signal.
Dock (Micro USB) / 3.5 mm Line Out port
Number of Outputs
Some headphone amplifiers have a built-in splitter so multiple pairs of headphones can be connected to it. The number specified here is the number of headphones that can be connected to the amplifier.
2
Output Power
This is the output wattage of the headphone amplifier. It is measured in mW.
200 mW
Output Impedance
This is the output impedance of the headphone amplifier.
1.1 ohms
Power Requirement
This is the required way to give the unit power. Common power sources are 120V AC (Common house plugs), batteries, or a combination of the two. If the headphone amplifier uses batteries, this will list the type of batteries that are required. Please refer to the description to find out how many are required for the unit to be properly powered.
Rechargeable Lithium Polymer Battery
Width
The width of the item from left to right (side-to-side) measured in inches.
2.45"
Height
The height of the item, measured from top to bottom, in inches.
.50"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
4.1"

DAC Specifications

Maximum Output Voltage
This is the maximum voltage that the amplifier or preamplifier is able to output.
0.20 volts
Output Impedance
This is the amount of impedance that the microphone allows.
1.1 ohms
THD (Total Harmonic Distortion)
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
0.003%
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 20,000 Hz
Crosstalk
Crosstalk is defined as the unwanted transfer of signals across communication channels. The higher this number is, in dB, the better crosstalk rejection the DAC is capable of.
75 dB
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
0.003 dB
Digital Inputs
The type of digital inputs the digital-to-analog converter features.
USB Type-B
Line Level Outputs
The type of analog line level outputs the DAC features.
3.5mm Headphone Jack
Sample Rate
24-bit at 192 kHz
Power Requirement
This is the required way to give the unit power. Common power sources are 120V AC (Common house plugs), batteries, or a combination of the two. If the headphone amplifier uses batteries, this will list the type of batteries that are required. Please refer to the description to find out how many are required for the unit to be properly powered.
Rechargeable Lithium Polymer Battery

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

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Browse 2 questions and 2 answers
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Why did you choose this?
Sonic Electronix Store
Prior excellent experience with Fiio products.
Raymond G on Oct 16, 2016
What cable do I need to connect the FiiO Alpen 2-E17K to my smartphone to use the DAC feature?
SteveL on Aug 10, 2015
Best Answer: A microusb to micro usb OTG cable.
Reply · Report · Ferdinand D on May 5, 2016
· Add Answer · I Have This Question Too (0)

Product Summary

Manufacturer

Model Number

E17K

UPC

6953175711773

Weight

2.00lbs

Internal SKU

fiio-e17k

Internal Product ID

74087

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: FiiO Alpen 2-E17K (E17K)