FiiO K1 Portable Headphone Amplifier and USB DAC

FiiO K1 Portable Headphone Amplifier and USB DAC

FiiO K1 Portable Headphone Amplifier and USB DAC

B&H # FIK1 MFR # K1
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Product Highlights

  • 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
  • Savitech SA9023A USB Receiver
  • TI PCM5102 DAC Chip
  • TPA61332A Headphone Driver
  • Self-Muting Reduces On/Off Transients
  • Includes USB Cable
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FiiO K1 overview

  • 1Description

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.

In the Box
FiiO K1 Portable Headphone Amplifier and USB DAC
  • Removable Clip
  • USB Charging Cable
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    FiiO K1 specs

    Model K1
    Color (housing) Titanium
    Audio Input Micro USB
    Headphone Output Standard 1/8" / 3.5 mm port
    Drive Ability 16 to 100 ohms(recommended)
    Power Supply USB powered
    Output Power Output Power1: >75 mW (16 ohms/THD+N<1%)
    Output Power2: >35 mW (32 ohms/THD+N<1%)
    THD <0.01% (1 kHz)
    Output Impedance ≤ 1 ohm
    Frequency Response 20 Hz to 20 kHz
    Signal-to-Noise Ratio (SNR) ≥100 dB (A-weighted)
    Input Sensitivity >0 dB
    Crosstalk ≥70 dB (1 kHz)
    Channel Imbalance < 0.3 dB
    Gain 1.2 dB
    Power Status LEDs yes (blue light when on)
    Max Output MAX Output Voltage: 3.25 Vp-p
    MAX Output Current: 35.93 mA
    Dimension (L x W x H) 2.0 x 0.8 x 0.3" / 50.0 x 20.5 x 8.0 mm
    Weight 0.4 oz / 11.3 g
    Packaging Info
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 6.6 x 3.4 x 0.9"

    FiiO K1 reviews

    K1 Portable Headphone Amplifier and USB DAC is rated 4.5 out of 5 by 10.
    Rated 1 out of 5 by from It Does Little if Any I purchased a Fiio K1 DAC based on a recommendation by Steve Guttenberg on CNet. When I first used it, I felt that it made music with more body. Without the DAC, music from my computer: MacBook Pro for work and Dell for home, was quite thin. After one month usage, I, however, can't tell much difference with or without it. I use it with a Monoprice Premium Hi-Fi DJ Style Over-the-Ear Pro Headphone and an almost 20 times more expensive headphone, Hifiman HE400S, as well as a compact compact stereo system. The both headphones are highly recommended by Steve Guttenberg for their sound quality. I mostly listen classic music.
    Date published: 2016-05-07
    Rated 5 out of 5 by from Great if you know what your getting First off its important to understand how to change the quality of the sound in your Mac and Windows. When you hook it up it will default to not the best settings this unit is capable of producing. That said, sound is a lot more balanced, pleasant then what my card on Mac mini or my macbook pro produces but it's not a huge upgrade. However when connected to my surface 3, it makes tons of difference. Either way it was worth it to me and I am very happy.
    Date published: 2016-04-03
    Rated 5 out of 5 by from Incredible Hard to believe such a small device can have such a dramatic effect! I use this at my computer to listen to my iTunes, with Sony MDR-7506 phones. Incredible sound. I cannot tell the difference between this and my other DAC's; I suppose lab equipment could. Only caveat is that it (apparently) changes a few settings on my computer. Nothing major, and I can't say for sure, but it seems likely that the software that downloads automatically when you plug in this guy makes a few minor changes in the settings. But for forty bucks this thing is a steal.
    Date published: 2017-04-21
    Rated 4 out of 5 by from Nice little work DAC or for on the go Inexpensive, cleans up the audio significantly at work. Finally my ears can rest all those hours at the ax. Just a reminder, this little unit will only amplify slightly and does not have a volume dial on the device. Recommended for those that can and want to have clear audio when not at home enjoying their stacks.
    Date published: 2016-04-20
    Rated 5 out of 5 by from Terrific Little DAC / Headphone Amp Awesome and inexpensive device for its intended design. I purchased it on the advice of an in-house audio writer and, as he told me, it has really cleaned up and focused the audio signal from my iMac. It sounds equally great through headphones and the Klipsch 2.1 speaker system connected to the computer. The before-and-after difference in sound quality is palpable.
    Date published: 2017-11-13
    Rated 5 out of 5 by from Can't ask for more. For its price you are not gonna find any better. A solid pick for entry-level of hifi audio world. Anyone should upgrade their low-quality integrated audio source right now.
    Date published: 2016-01-17
    Rated 5 out of 5 by from Sounds Great I've noticed a significant improvement in sound quality and the amp drives my headphones well.
    Date published: 2016-08-03
    Rated 5 out of 5 by from very good sounds very clean using as DAC with my headphones amplifier or with hi-fi microsystem
    Date published: 2016-12-16
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