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Fiio K11 K11 Wh Desktop Digital Headphone Amplifier with DAC USB and Jack (6.3mm)
Headphone Amplifiers

Fiio K11 K11 Wh Desktop Digital Headphone Amplifier with DAC USB and Jack (6.3mm)

The FiiO K11 headphone amplifier offers multiple input and output options, including USB, optical, coaxial, and various headphone jacks, ensuring compatibility with a variety of audio sources.

It...

The FiiO K11 headphone amplifier offers multiple input and output options, including USB, optical, coaxial, and various headphone jacks, ensuring compatibility with a variety of audio sources.

It provides 1400mW of power in balanced modes, capable of driving a wide range of headphones for an impressive audio experience.

It features three levels of gain and...

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Product report

Description

Description

The FiiO K11 headphone amplifier offers multiple input and output options, including USB, optical, coaxial, and various headphone jacks, ensuring compatibility with a variety of audio sources.

It provides 1400mW of power in balanced modes, capable of driving a wide range of headphones for an impressive audio experience.

It features three levels of gain and volume curves, tailoring the sound quality to individual preferences.

It uses a carefully designed audio circuit, supported by over 16 low-noise LDOs, powered by an external stable power source of 12V.

The sleek aluminum construction features a non-slip base for stability, ensuring a modern and secure placement.

Multiple input and output options:

  • USB, optical, and coaxial inputs.
  • 4.4mm, 6.35mm, line RCA, and coaxial outputs.

High output power: 1400mW at 32Ω load, capable of driving HiFi headphones.

3 levels of gain and 3 volume curves: Customize your listening experience.

Designed audio circuit and power supply: Careful design with stable power supply.

Sleek and stable construction: Modern style with a sturdy base.

Active display: High-contrast VA display for critical information.

Intuitive control: Multifunctional volume knob for ease of use.

Driverless operation: Plug-and-play on Windows 10 and above.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Technical Specifications

Type
Digital
Amplifier Type
Desktop
Freequency Range
-
Nominal Impendance
32 ohm
SNR
123 dB

Modes

DAC(Built-In)
Yes
Volume Control
Yes

Connectivity

RCA
Yes
Optical
Yes
Coaxial
Yes
USB
Yes
Bluetooth
No
Mini Jack (3.5mm)
No
Jack (6.3mm)
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (5)

Reviews

5.0
5
5.0
Review this product
  1. 5
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews photos

Reviews photos
Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • andrew_pits
    5
    4 out of 4 members found this review helpful
    andrew_pits

    Verified purchase

    This review is about a variation of the product

    I am not an expert in DACs nor an audiophile-enthusiast, I just did a lot of research before finally getting this.
    From what I learned during the time I was watching reviews and reading for my own use case:
    It is entry level/budget in the world of DACs that can reach thousands of euros.
    It has very good reviews from many people and is recommended for someone who is starting to get into DACs/wired headphones.
    I wanted it for IEMs and for wired headphones (I am still reading about headphones and will probably pair it with Sennheiser HD 490 Pro or Hifiman Ananda Nanos for gaming). Most mainstream gaming DACs I don't like for many reasons but the main one is that I wanted it to color the sound as little as possible with any DSP/filter and to have balanced 4.4.
    I was between this and the Fosi K7, I went with this for the price, the design, and mainly for the NOS filter which I wanted to try.
    It is quite powerful and from what I read, it won't have trouble, especially if you switch it to high gain, driving even high-impedance headphones or planars, etc.
    Between this and the same R2R, I wanted this one because they say the R2R adds a warmth that many seek for music especially with certain headphones, while the regular one is described as more Clinical – flat which I prefer for gaming. Just because I don't know enough nor have I heard the R2R, I don't want to mislead anyone, better to do your own research.
    Build quality is very good but the black is a crazy fingerprint magnet, I would have preferred the silver but I couldn't find it.

    Translated from Greek ·
    Did you find this review helpful?
  • kimi_raikkonen3695
    5
    kimi_raikkonen3695

    Verified purchase

    This review is about a variation of the product

    Perfect sound, it also has a line out for connecting powered speakers, it's worth every penny and more

    Translated from Greek ·
    Did you find this review helpful?
  • Xristօs
    5
    1 out of 1 members found this review helpful
    Xristօs

    Verified purchase

    Very good Amp/Dac, it easily drives the DT 990 Pro 250ohm for anyone considering it. Super easy installation, you just connect the headphones to it and it to the computer. At 70% volume, it blows your eardrums, so it handles it comfortably and then some. The sound is unreal, we don't even discuss it, for the 150 euros it costs, it's VFM compared to others in its category at 200+ euros. Buy without hesitation

    Translated from Greek ·
    Did you find this review helpful?
  • tetsuo
    5
    7 out of 7 members found this review helpful
    tetsuo

    Excellent build quality. RCA output for amplifier. Toslink, Coaxial (Input and Output when using USB connection) and USB.
    USB connection with PC tested on Linux (Kernel 6.8) without any issues whatsoever.
    The headphone amplifier drives my HD650 (300ohm) headphones quite well.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Ευάγγελος Πούλος

    Verified purchase

    This review is about a variation of the product

  • andrew_pits
    5
    andrew_pits

    I am not an expert in DACs nor an audiophile-enthusiast, I just did a lot of research before finally getting this.
    From what I learned during the time I was watching reviews and reading for my own use case:
    It is entry level/budget in the world of DACs that can reach thousands of euros.
    It has very good reviews from many people and is recommended for someone who is starting to get into DACs/wired headphones.
    I wanted it for IEMs and for wired headphones (I am still reading about headphones and will probably pair it with Sennheiser HD 490 Pro or Hifiman Ananda Nanos for gaming). Most mainstream gaming DACs I don't like for many reasons but the main one is that I wanted it to color the sound as little as possible with any DSP/filter and to have balanced 4.4.
    I was between this and the Fosi K7, I went with this for the price, the design, and mainly for the NOS filter which I wanted to try.
    It is quite powerful and from what I read, it won't have trouble, especially if you switch it to high gain, driving even high-impedance headphones or planars, etc.
    Between this and the same R2R, I wanted this one because they say the R2R adds a warmth that many seek for music especially with certain headphones, while the regular one is described as more Clinical – flat which I prefer for gaming. Just because I don't know enough nor have I heard the R2R, I don't want to mislead anyone, better to do your own research.
    Build quality is very good but the black is a crazy fingerprint magnet, I would have preferred the silver but I couldn't find it.

    Translated from Greek ·
    4
  • kimi_raikkonen3695
    5
    kimi_raikkonen3695

    Perfect sound, it also has a line out for connecting powered speakers, it's worth every penny and more

    Translated from Greek ·
    0
  • Xristօs
    5
    Xristօs

    Very good Amp/Dac, it easily drives the DT 990 Pro 250ohm for anyone considering it. Super easy installation, you just connect the headphones to it and it to the computer. At 70% volume, it blows your eardrums, so it handles it comfortably and then some. The sound is unreal, we don't even discuss it, for the 150 euros it costs, it's VFM compared to others in its category at 200+ euros. Buy without hesitation

    Translated from Greek ·
    1
  • tetsuo
    5
    tetsuo

    Excellent build quality. RCA output for amplifier. Toslink, Coaxial (Input and Output when using USB connection) and USB.
    USB connection with PC tested on Linux (Kernel 6.8) without any issues whatsoever.
    The headphone amplifier drives my HD650 (300ohm) headphones quite well.

    Translated from Greek ·
    7
  • 5
    Ευάγγελος Πούλος

    0
  • See all

Description & Specifications

The FiiO K11 headphone amplifier offers multiple input and output options, including USB, optical, coaxial, and various headphone jacks, ensuring compatibility with a variety of audio sources.

It provides 1400mW of power in balanced modes, capable of driving a wide range of headphones for an impressive audio experience.

It features three levels of gain and volume curves, tailoring the sound quality to individual preferences.

It uses a carefully designed audio circuit, supported by over 16 low-noise LDOs, powered by an external stable power source of 12V.

The sleek aluminum construction features a non-slip base for stability, ensuring a modern and secure placement.

Multiple input and output options:

  • USB, optical, and coaxial inputs.
  • 4.4mm, 6.35mm, line RCA, and coaxial outputs.

High output power: 1400mW at 32Ω load, capable of driving HiFi headphones.

3 levels of gain and 3 volume curves: Customize your listening experience.

Designed audio circuit and power supply: Careful design with stable power supply.

Sleek and stable construction: Modern style with a sturdy base.

Active display: High-contrast VA display for critical information.

Intuitive control: Multifunctional volume knob for ease of use.

Driverless operation: Plug-and-play on Windows 10 and above.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Technical Specifications

Type
Digital
Amplifier Type
Desktop
Freequency Range
-
Nominal Impendance
32 ohm
SNR
123 dB

Modes

DAC(Built-In)
Yes
Volume Control
Yes

Connectivity

RCA
Yes
Optical
Yes
Coaxial
Yes
USB
Yes
Bluetooth
No
Mini Jack (3.5mm)
No
Jack (6.3mm)
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (5)

5.0
5
5.0
Review this product
  1. 5
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Reviews photos

Reviews photos
Reviews photos
Reviews photos
Reviews photos

Reviews by our members

  • andrew_pits
    5
    4 out of 4 members found this review helpful
    andrew_pits

    Verified purchase

    This review is about a variation of the product

    I am not an expert in DACs nor an audiophile-enthusiast, I just did a lot of research before finally getting this.
    From what I learned during the time I was watching reviews and reading for my own use case:
    It is entry level/budget in the world of DACs that can reach thousands of euros.
    It has very good reviews from many people and is recommended for someone who is starting to get into DACs/wired headphones.
    I wanted it for IEMs and for wired headphones (I am still reading about headphones and will probably pair it with Sennheiser HD 490 Pro or Hifiman Ananda Nanos for gaming). Most mainstream gaming DACs I don't like for many reasons but the main one is that I wanted it to color the sound as little as possible with any DSP/filter and to have balanced 4.4.
    I was between this and the Fosi K7, I went with this for the price, the design, and mainly for the NOS filter which I wanted to try.
    It is quite powerful and from what I read, it won't have trouble, especially if you switch it to high gain, driving even high-impedance headphones or planars, etc.
    Between this and the same R2R, I wanted this one because they say the R2R adds a warmth that many seek for music especially with certain headphones, while the regular one is described as more Clinical – flat which I prefer for gaming. Just because I don't know enough nor have I heard the R2R, I don't want to mislead anyone, better to do your own research.
    Build quality is very good but the black is a crazy fingerprint magnet, I would have preferred the silver but I couldn't find it.

    Translated from Greek ·
    Did you find this review helpful?
  • kimi_raikkonen3695
    5
    kimi_raikkonen3695

    Verified purchase

    This review is about a variation of the product

    Perfect sound, it also has a line out for connecting powered speakers, it's worth every penny and more

    Translated from Greek ·
    Did you find this review helpful?
  • Xristօs
    5
    1 out of 1 members found this review helpful
    Xristօs

    Verified purchase

    Very good Amp/Dac, it easily drives the DT 990 Pro 250ohm for anyone considering it. Super easy installation, you just connect the headphones to it and it to the computer. At 70% volume, it blows your eardrums, so it handles it comfortably and then some. The sound is unreal, we don't even discuss it, for the 150 euros it costs, it's VFM compared to others in its category at 200+ euros. Buy without hesitation

    Translated from Greek ·
    Did you find this review helpful?
  • tetsuo
    5
    7 out of 7 members found this review helpful
    tetsuo

    Excellent build quality. RCA output for amplifier. Toslink, Coaxial (Input and Output when using USB connection) and USB.
    USB connection with PC tested on Linux (Kernel 6.8) without any issues whatsoever.
    The headphone amplifier drives my HD650 (300ohm) headphones quite well.

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    Ευάγγελος Πούλος

    Verified purchase

    This review is about a variation of the product

  • andrew_pits
    5
    andrew_pits

    I am not an expert in DACs nor an audiophile-enthusiast, I just did a lot of research before finally getting this.
    From what I learned during the time I was watching reviews and reading for my own use case:
    It is entry level/budget in the world of DACs that can reach thousands of euros.
    It has very good reviews from many people and is recommended for someone who is starting to get into DACs/wired headphones.
    I wanted it for IEMs and for wired headphones (I am still reading about headphones and will probably pair it with Sennheiser HD 490 Pro or Hifiman Ananda Nanos for gaming). Most mainstream gaming DACs I don't like for many reasons but the main one is that I wanted it to color the sound as little as possible with any DSP/filter and to have balanced 4.4.
    I was between this and the Fosi K7, I went with this for the price, the design, and mainly for the NOS filter which I wanted to try.
    It is quite powerful and from what I read, it won't have trouble, especially if you switch it to high gain, driving even high-impedance headphones or planars, etc.
    Between this and the same R2R, I wanted this one because they say the R2R adds a warmth that many seek for music especially with certain headphones, while the regular one is described as more Clinical – flat which I prefer for gaming. Just because I don't know enough nor have I heard the R2R, I don't want to mislead anyone, better to do your own research.
    Build quality is very good but the black is a crazy fingerprint magnet, I would have preferred the silver but I couldn't find it.

    Translated from Greek ·
    4
  • kimi_raikkonen3695
    5
    kimi_raikkonen3695

    Perfect sound, it also has a line out for connecting powered speakers, it's worth every penny and more

    Translated from Greek ·
    0
  • Xristօs
    5
    Xristօs

    Very good Amp/Dac, it easily drives the DT 990 Pro 250ohm for anyone considering it. Super easy installation, you just connect the headphones to it and it to the computer. At 70% volume, it blows your eardrums, so it handles it comfortably and then some. The sound is unreal, we don't even discuss it, for the 150 euros it costs, it's VFM compared to others in its category at 200+ euros. Buy without hesitation

    Translated from Greek ·
    1
  • tetsuo
    5
    tetsuo

    Excellent build quality. RCA output for amplifier. Toslink, Coaxial (Input and Output when using USB connection) and USB.
    USB connection with PC tested on Linux (Kernel 6.8) without any issues whatsoever.
    The headphone amplifier drives my HD650 (300ohm) headphones quite well.

    Translated from Greek ·
    7
  • 5
    Ευάγγελος Πούλος

    0
  • See all