FiiO K1 Portable Headphone Amplifier and USB DAC

BH #FIK1 • MFR #K1
FiiO
FiiO K1 Portable Headphone Amplifier and USB DAC
Key Features
  • Supports Up to 24-Bit/96 kHz
  • Plug-and-Play: No Batteries & No Drivers
  • Drive Ability: 16 to 100 Ohms
  • Frequency Response: 20 Hz to 20 kHz
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The thumb-sized K1 from FiiO is a portable headphone amplifier and DAC with mastering quality sound that supports resolutions of up to 24-bit/ 96 kHz. The unit offers true plug-and-play operation with no batteries to charge and no drivers required for operation. The K1's audio architecture utilizes Savitechs's SA9023A USB receiver to decode USB audio, while the high fidelity, low noise TI PCM5102 DAC chip outputs to the TPA 61332A headphone amplifier, which is capable of driving most headphones with a range of 16 to 100 ohms. The K1 also self-mutes when powering on or off, reducing harmful transients. The all-metal chassis is sandblasted for optimal sheen, texture, durability of appearance, and hand grip. The K1 ships with a removable clip and a USB connection cable.
Discontinued
Mitchell R., B&H Expert

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FiiO K1 Overview

The thumb-sized K1 from FiiO is a portable headphone amplifier and DAC with mastering quality sound that supports resolutions of up to 24-bit/ 96 kHz. The unit offers true plug-and-play operation with no batteries to charge and no drivers required for operation. The K1's audio architecture utilizes Savitechs's SA9023A USB receiver to decode USB audio, while the high fidelity, low noise TI PCM5102 DAC chip outputs to the TPA 61332A headphone amplifier, which is capable of driving most headphones with a range of 16 to 100 ohms. The K1 also self-mutes when powering on or off, reducing harmful transients. The all-metal chassis is sandblasted for optimal sheen, texture, durability of appearance, and hand grip. The K1 ships with a removable clip and a USB connection cable.

FiiO K1 Specs

Form FactorPortable
Number of Headphone ChannelsSingle Channel
Recommended Headphone Impedance16 to 100 Ohms
Headphone Output Power> 75 mW into 16 Ohms (1% THD)
> 35 mW into 32 Ohms (1% THD)
Headphone Output Current35.93 mA (Max)
Connectivity
Analog Audio I/O1/8" / 3.5 mm TRS Headphone Output
USB1 x Micro-USB
Performance
Frequency Response20 Hz to 20 kHz
Gain/Trim Range1.2 dB
Max Output Level3.25 V p-p
ImpedanceOutputs:
≤ 1 Ohm
THD 0.01% (1 kHz)
SNR≥ 100 dB (A-Weighted)
Crosstalk≥ 70 dB (1 kHz)
Channel Balance< 0.3 dB
Power
Power RequirementsUSB Bus Power
Physical
Dimensions2 x 0.8 x 0.3" / 50 x 20.5 x 8 mm
Weight0.4 oz / 11.3 g
Packaging Info
Package Weight0.1 lb
Box Dimensions (LxWxH)6.6 x 3.4 x 0.9"
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YOUR RECENTLY VIEWED ITEMS

Would this work as a USB output for Synology NAS ...

Would this work as a USB output for Synology NAS to a stereo receiver?
Asked by: Yihe
This directly from FiiO: &quot;Thank you for your support to FiiO. We did not test about that. So we could not promise the compatibility. Gernerally, the K1 is used for the computer.&quot;
Answered by: Anonymous
Date published: 2020-11-08

The headphone output port has a connectivity ...

The headphone output port has a connectivity problem in my Fiio K1. Can it by fixed by myself?
Asked by: Vernon
I would not think so. Please contact FiiO for repair or remedy under their warranty.
Answered by: Mark
Date published: 2019-08-28

question

Can I use this with my android phone (Lg g3)?
Asked by: Tanner H.
It will not work. The usb on LG3 will not have enough power to turn on the K1. It seems like it uses a little more power than what a normal usb can provide. It may work on a phone that uses usb 3.0.
Answered by: JOHN L.
Date published: 2018-08-26

question

As I understand, quality of the sound does not only depends on the hardware you use, and so what can one expect from this product? will it improve quality of sound from youtube, itunes? (I have mac mini 2014, surface 3, macbook pro 2009 and nexus 6p)
Asked by: Michal
The K1 does upgrade the sound from inferior circuitry in computers and phones. I noticed a more spacious smooth refined real sound compared to my iPhone and MacBook without the k1. It also pulls more power out of the source for increased volume and bass. It is only one link in the chain though...the recording, file type, and certainly headphones or speakers impart their signature on the final sound quality recipe which your individual ears and brain interpret. As far as I know the k1 is not compatible with android devices.
Answered by: D Kenneth M.
Date published: 2018-08-26

question

Will this work with an iphone 6s or mac computer?
Asked by: Neil
The K1 is compatible with both Mac and PC computers. The K1 is not officially mentioning iPhone compatibility, however seems as customers are able to use with iPhone using the Apple Lightning to USB Camera Adapter.
Answered by: Jeff P.
Date published: 2018-08-26
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