Best selling Headphone amplifiers from FiiO

This page always stays fresh and updates automatically.

1. FiiO K11 R2R

Immerse yourself in the fascinating world of audio enjoyment with the FiiO K11 R2R Desktop DAC and headphone amplifier. The 24-bit R2R DAC, developed by FiiO, delivers a uniquely charming, melodic sound. Its fully differential architecture results in lower noise and a darker musical background compared to conventional devices. Supporting PCM up to 384 kHz/24 bit and DSD256, the K11 R2R can process audio signals with high precision, bringing all musical details to life. The K11 R2R features two modes: the NOS (Non-Oversampling) mode retains the original sampling rate for decoding, preserving the authentic sound and allowing you to enjoy an organic and captivating musical experience. The OS (Oversampling) mode increases the overall sampling rate to 384 kHz for outstanding audio performance and a more finely resolved, purer sound. The K11 R2R is equipped with a variety of connections, including USB-C, optical and coaxial inputs, as well as 4.4 mm, 6.35 mm, RCA, and coaxial outputs, providing a comprehensive audio experience. With a high output power of 1300 mW + 1300 mW, the amplifier can easily drive HiFi headphones. The three gain levels and volume curves allow the listening experience to be tailored to headphones and earphones with different impedances. The timeless, sleek design of the K11 R2R enables flexible placement. The high-quality display shows all relevant information, while the pleasant RGB lighting of the FiiO logo provides quick visual feedback on the sampling frequency of the current audio playback. The FiiO K11 R2R offers user-friendly control via a multifunctional knob that covers all essential functions from power on/off to volume adjustment. 

What our customers think

Pro

  • great sound
  • Much better sound than with any Sound Blaster card
  • Full sound image

Contra

  • Software as it was in 1990
  • No help from Fiio, NO HELP AT ALL!

2. FiiO K7

The FiiO K7 is a headphone amplifier and DAC in one. Use it as a link between your computer, music player, smartphone, etc. as an input source and powered speakers or headphones as an output source to benefit from a high-quality, space-saving audio system. The THX AAA 788+ amplifier technology achieves a remarkable output of up to 2000 mW and can thus confidently drive any earphones or headphones with both low and high impedance and generate a musically thrilling sound. The two AK4493S digital-to-analogue converters from the Japanese manufacturer AKM process high-resolution audio signals up to 32 bit and 384 kHz as well as DSD.

The pleasantly warm timbre of these DACs with their detailed fine resolution will make you discover and love your music. The many connection options make the FiiO K7 the interface for your audio equipment. Computer, notebook, music player, smartphone, tablet etc. can be connected to the USB input, the RCA inputs as well as coaxially or optically. Cinch outputs are available for connecting speakers. Headphones are connected to the front of the K7 at the 6.3 mm or the balanced 4.4 mm jack. A 6.3 mm to 3.5 mm adapter is included in the scope of delivery so that headphones with 3.5 mm plugs can also be used.

On the front of the FiiO K7 there is a control for two gain settings, so that headphones with different sensitivities can be operated optimally. Another switch can be used to change between the input sources (USB / optical / coaxial / line). The large metal rotary wheel on the front of the K7 allows precise adjustment of the volume. With its solid aluminium housing in discreet black and its compact dimensions, the FiiO K7 fits just as well on the desk as it does in the hi-fi rack.
 

What our customers think

Pro

  • Various inputs
  • Simple design

Contra

  • no XLR
  • No headphone amplification
  • No bass boost

3. FiiO K13 R2R

The FiiO K13 R2R combines high-end technology with elegant design for an audiophile sound that captivates. The fully balanced 24-bit R2R DAC developed by FiiO delivers a distinctly natural sound with impressive spatiality. Immerse yourself in a sound world with the K13 R2R that brings even the finest details to life. With selectable NOS and OS modes, you can enjoy either a faithful, organic reproduction or a high-resolution, highly detailed playback. The integrated 10-band equalizer allows for extensive sound customization for your headphones and preferences—either via app or web interface. EQ presets, frequency corrections, and the ability to save your own EQ profiles make personalization particularly comprehensive. The high output power of the integrated headphone amplifier, up to 2400 mW per channel, ensures that even demanding headphones can reach their full potential. Headphones can be connected symmetrically via 4.4 mm or asymmetrically via 6.3 mm jack. In addition to USB, optical, and coaxial inputs, the K13 R2R offers both XLR and RCA as well as pre-amp outputs, allowing it to be used not only as a headphone amplifier but also as a DAC and preamplifier. It supports high-resolution formats up to PCM 384 kHz / 32 Bit and DSD256. The K13 R2R offers even more: Bluetooth 5.4 with AAC and LDAC enables wireless Hi-Res streaming. The high-resolution LCD display shows all important information at a glance. The integrated RGB lighting with customizable color and pulse tuning in the high-quality aluminum housing emphasizes its modern, elegant character. To ensure the operation is as comfortable as possible, a remote control is included in the package, allowing you to easily control volume, inputs, and functions—whether at your desk or on the sofa in the living room. 

4. FiiO BTR17

The FiiO BTR17 is a compact Bluetooth DAC and headphone amplifier that offers top-notch wireless audio quality with the Qualcomm QCC5181 chip and Bluetooth 5.4. It supports high-resolution codecs such as LDAC, aptX Adaptive, and aptX Lossless, enabling lossless transmission in CD quality and reproducing the finest details of music. Thanks to its versatility and extensive codec support, the BTR17 is ideal for demanding headphones and high-quality audio output.

The BTR17 utilizes two ES9069Q DACs with a 32-bit HyperStream architecture, minimizing distortion and delivering clear sound with a dynamic range of up to 130 dB and a total harmonic distortion of -120 dB. This is complemented by the THX AAA 78+ amplifier, which ensures powerful and precise audio playback with its fully balanced 4-channel architecture. In desktop mode, the BTR17 provides a high output power of up to 650 mW per channel when connected to an external power source, achieving performance typically only found in larger desktop amplifiers, making it ideal for demanding headphones.

For portable use, it features a built-in battery with a runtime of up to ten hours. Its 10-band PEQ allows for comprehensive sound customization. The PC/BT/PHONE switch enables flexible adaptation to various devices. Visually, the BTR17 impresses with its high-quality aluminum design and an elegant 1.3-inch IPS color display, which changes color according to the selected audio mode. The device comes with a custom-fit leather case that provides optimal protection.

With the FiiO BTR17, audiophile users receive a thoroughly designed device that meets the highest demands both on the go and at home. Thanks to the latest technologies, excellent sound quality, and flexible application possibilities, the BTR17 sets new standards in the realm of Bluetooth DACs and headphone amplifiers.
 

What our customers think

Pro

  • Processing / Material
  • 3.5mm and 4.4mm balanced socket

5. FiiO BTR15

The FiiO BTR15 can be used both wirelessly via Bluetooth and wired via the USB-C port as a DAC and headphone amplifier. Simply plug your headphones or earphones into the FiiO BTR15 and pair it with your smartphone, tablet or notebook via Bluetooth to enjoy your music in lossless quality and full bandwidth. Alternatively, you can use the BTR15 wired via its USB-C port as a first-class USB DAC for clearly audible sound enhancement for your smartphone, tablet, notebook or computer. Particularly practical: When the BTR15 is connected to a mobile device, the internal battery of the BTR15 is used and the battery of the mobile device is not discharged by the BTR15. When connected to a PC, the BTR15 draws power from the computer and the BTR15 battery is not discharged. The high-quality Qualcomm QC5125 Bluetooth 5.1 chip and the XMOS XU316 USB processor ensure the best possible data transmission at all times. Two integrated ES9219MQ DAC chips ensure high performance in digital-to-analogue conversion and therefore detailed, high-resolution music playback. The BTR15 has both a standard 3.5 mm connection and a balanced 4.4 mm connection for connecting various headphones and earphones. The FiiO BTR15 measures just 32 x 72.2 x 12.5 mm and weighs 37.3 grams. Functions such as skipping tracks, adjusting the volume, play/pause and answering/ending calls can be controlled directly via the buttons on the BTR15. The OLED display makes operation super-simple and shows all relevant information. In addition, the BTR15 can also be controlled via a smartphone with the FiiO Control app (for iOS and Android) installed, which makes it easy to adjust the parametric equaliser, for example. 

What our customers think

Pro

  • Easier to connect to the app
  • Bluetooth function
  • Informative display
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Actual product image FiiO BTR15 (Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth)
Headphone amplifiers
CHF144.–

FiiO BTR15

Display, gain switch, Microphones, Tone control, USB-DAC, Bluetooth

6. FiiO JA11

The FiiO JA11 is a DAC and headphone amplifier that offers many remarkable features despite its low price. The device supports high-resolution audio formats such as PCM up to 384 kHz/32 Bit and DSD128, which is nearly unique in this price range. Thanks to an aluminum-magnesium alloy and a secondary anodizing process, the JA11 is not only durable but also visually appealing. The cable used is made of high-purity, oxygen-free, palladium-coated copper and is wrapped in a double silicone and braided layer, ensuring long lifespan and minimal interference. The JA11 stands out with its compact and lightweight design, weighing only 5 grams. With an output power of 30 mW at 32 ohms, the DAC is particularly suitable for use with in-ear headphones. One of its standout features is the integrated professional DSP. Through the FiiO Control App, the sound can be customized to individual preferences. This parametric equalization (PEQ) allows users to shape the sound profile according to their liking. The JA11 is compatible with Android, iOS, Windows, and Mac, and also supports microphone inputs and CTIA/OMTP inline controls, enabling functions like phone calls and audio recordings. The JA11 impresses with its robust construction, excellent price-performance ratio, and customizable sound options. The DAC does not produce disturbing noises such as hiss or electromagnetic interference and remains cool even during prolonged use, making it a reliable choice for music lovers. Thus, the FiiO JA11 is a compact, affordable DAC and headphone amplifier that offers high sound quality and extensive customization options. It is ideal for budget-conscious music enthusiasts looking to enhance their audio experience without breaking the bank. 

What our customers think

Pro

  • Price still o.k.
  • According to Genug
  • Cleanly processed

Contra

  • App takes 1 year to launch
  • Almost too small 😉

7. FiiO KA11

.

What our customers think

Pro

  • Small, light, flexible
  • brings volume and a 'fuller' sound
  • Higher volume with headphones

Contra

  • Warms up quickly
  • No volume control
  • A little too expensive

8. FiiO KA13

Le FiiO KA13 Mini Amplificateur pour casque et DAC est un appareil audio exceptionnel, spécialement conçu pour les mélomanes exigeants. Avec sa conception à double cœur, composée de deux puissantes puces DAC CS43131 et deux amplificateurs opérationnels à faible bruit SGM8262, le KA13 offre une qualité sonore qui révèle des nuances jusqu'alors cachées dans votre musique. Despite its compact size and weight of less than 20 grams, this device impresses with its performance, both in portable and stationary use. In desktop mode, the KA13 delivers up to 550 mW of symetric power, which ensures exceptional dynamic and detail levels, both with low and high impedance speakers or casques. Le KA13 dispose de possibilités de connexion pour écouteurs de 3,5 mm et 4,4 mm. The core of the device is made up of two DAC CS43131 puces, which allow for high-quality audio reproduction. Elles sont en outre soutenues par deux amplificateurs opérationnels SGM8262, qui garantissent une qualité sonore claire. The KA13 allows you to enjoy music of a very high quality, as it can handle high resolution audio formats up to 384 kHz/32 bits and DSD256. The luminous RGB window of the KA13 is not only an aesthetic attraction, it also indicates the level of audio signal processing. The buttons on the KA13 allow you to adjust the volume, to play forward or backward songs and to activate the Destop mode for additional performance. The control via the FiiO Control application offers flexibility and additional convenience for adjusting the parameters. In summary, the FiiO KA13 amplifier and DAC for the road and the home is a powerful and versatile audio device that meets the high demands of audiophile users and takes listening experience to a higher level. 

9. FiiO Jiezi A

The FiiO Jade Audio Jiezi A is a technically precise, ultra-compact USB-C dongle DAC with an integrated amplifier function, offering excellent sound performance despite its minimal dimensions. It is equipped with a high-performance USB bridge chip, a high-quality DAC/ADC component, and a DSP, supporting PCM formats up to 32-bit/384 kHz as well as DSD256 decoding. This results in impressively clean sound reproduction. The integrated 10-band equalizer allows for personalized sound adjustment via the FiiO Control app or web interface, including the ability to save and share custom sound curves. The Jiezi A version features a 3.5 mm headphone output that supports inline controls and can be used for calls or voice chats in games. It serves as a practical sound enhancer compatible with many earbuds and headphones, particularly suitable for smartphones without a 3.5 mm headphone jack. The casing, made from an aluminum-magnesium alloy and adorned with traditional engravings, combines an elegant appearance with robust tactile quality. The cable is crafted from oxygen-free, palladium-coated copper and is wrapped in silicone and textile to ensure flexibility and durability. The dongle format with an integrated USB-C cable allows for universal compatibility – plug-and-play with Android, iOS, HarmonyOS, Windows, macOS, and Linux. It operates via UAC 1.0 or 2.0, ensuring extensive system compatibility. The Hi-Res Audio certification further emphasizes the sound quality. Weighing approximately 6 grams and featuring stylish craftsmanship, the Jiezi A combines lightness with audiophile precision. 

10. FiiO K15

The K15 is a powerful headphone amplifier designed for the HiFi audio sector. It offers a variety of connection options, including Coaxial S/PDIF, XLR, and Stereo RCA, allowing for flexible integration into existing audio systems. With an integrated USB DAC and USB host functionality, the K15 can directly connect and process digital audio sources. The sound control and gain switch provide additional customization options to optimize the sound according to personal preferences. The AK4497EQ DAC ensures high audio resolution and precise sound reproduction. The K15 is not only functional but also user-friendly, equipped with a display and a remote control for convenient operation.

- Integrated USB DAC and USB host for digital audio sources
- Versatile connection options: Coaxial S/PDIF, XLR, Stereo RCA
- High-quality AK4497EQ DAC for precise sound reproduction
- Sound control and gain switch for individual adjustments
- Package includes a 6.3 mm to 3.5 mm adapter and a spare fuse.
 

Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Actual product image FiiO K15 (Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi)
Headphone amplifiers
CHF608.–

FiiO K15

Display, gain switch, Tone control, USB host, USB-DAC, Bluetooth, Wi-Fi

Product order
See all products