Best FiiO Headphone Amplifiers of 2026

Harvey Wall Avatar
Harvey Wall
Last Updated: 5 Feb 2026

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If you're looking for an enhanced listening experience, then FiiO's headphone amplifiers may be just what you need. These amplifiers are designed to provide high-quality sound and improve the overall performance of your headphones. FiiO's range of headphone amplifiers are compatible with a variety of headphones and music players, making them a versatile choice for music lovers. With features like improved bass response, noise reduction, and increased volume, FiiO's headphone amplifiers can help you get the most out of your music collection.

At a Glance: Our Top Picks

FIIO K11 1400W Power DAC & Amplifier Cover #TOP 1
FIIO K11 1400W Power DAC & Amplifier
ftb score rating icon 9.8
FIIO K11 Compact Desktop R2R architecture DAC and Headphone Amplifier Cover #TOP 2
FIIO K11 Compact Desktop R2R architecture DAC and Headphone Amplifier
ftb score rating icon 9.7
FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256 Cover #TOP 3
FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256
ftb score rating icon 9.5

Top 10 FiiO Headphone Amplifiers

#TOP 1

FIIO K11 1400W Power DAC & Amplifier

Silver
FIIO K11 1400W Power DAC & Amplifier Cover
FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256 for Home Audio/PC 6.35mm/4.4mm/RCA/Coaxial/Optical (Silver)

The FIIO K11 Amplifier is designed to enhance your audio experience, whether at home or in the office. With a maximum power output of 1400mW, it effortlessly drives high impedance headphones, allowing you to enjoy rich audio details. Its variety of inputs and outputs, including USB and coaxial, ensures compatibility with multiple devices. The sleek aluminium alloy body not only saves space but also adds a touch of elegance to your workspace. Additionally, the high-definition VA display provides clear information on sampling rates and volume, making it user-friendly.

What We Like
High power output for headphones
Multiple input/output options
Sleek and compact design
Clear VA display
#TOP 2

FIIO K11 Compact Desktop R2R architecture DAC and Headphone Amplifier

Black
FIIO K11 Compact Desktop R2R architecture DAC and Headphone Amplifier Cover
FIIO K11 Compact Desktop R2R architecture DAC and Headphone Amplifier (Black)

Features
NOS/OS Dual Operating Modes - FiiO K11 R2R Has NOS(Non-Oversampling) And OS(Oversampling) Dual Operating Modes. These Are Freely Switchable And Offer Dual Sound Characteristics With The Device. The NOS Mode Maintains The Original Sampling Rate While Signal Processing While The OS Mode Oversamples All The Signals To 384kHz For Processing. NOS Mode Results In More Musical Presentation While The OS Mode Delivers More Details And Clarity.
Fully-Differential 24-Bit R2R DAC Array - FiiO Has Featured Its Newly Developed Four-Channel Fully Differential 24-Bit R2R Resistor Array On The K11 R2R. It Consists Of 48 Resistors Per Channel, A Total Of 192 High-Precision Ultra-Thin Film Resistors With 0.1% Accuracy And Low-Temperature Drift Between The Four Channels. It Promises Clean And Crisp Output With Dark Background Thanks To The Specially Developed Audio Circuit Architecture.
True High-Resolution Audio Signal Processing - FiiO K11 R2R Supports Decoding For High-Resolution Audio Signals. It Has Full Support For PCM And DSD Signal Processing Supporting Up To 32-Bit/384kHz PCM And DSD256 Audio Signals. DSD256 Requires The DSD Output Mode To Be Set To Native. It Is Internally Converted Into PCM For R2R Signal Processing.
Professionally Designed Low-Noise Power Supply - FiiO K11 R2R Features A Professionally Designed Low-Noise Power Supply. It Consists Of 17 Low-Noise LDO Precision Voltage Regulator ICs And 2 DC-DCs Providing A Multi-Channel Power Supply. It Further Benefits From The External 12V Power Supply Ensuring A Clean Output With Low Noise And Distortion Issues. K11 R2R Delivers Quality Sound For Its Users.
Powerful Amp Section - FiiO Has Equipped The K11 R2R With Professionally Designed Amp Circuitry. It Consists Of Ti OPA1642 As Low-Pass Filters And Then Dual SGM8262 Professional-Grade Operational Amplifiers. The K11 R2R Has An Output Power Rating Of Up To 1300mWx2, Which Is Adequate Enough To Drive Demanding Headphones With Ease. It Has Three-Level Gain Modes For Easy Pairing With Sensitive As Well As High-Power Requiring Gear. The K11 R2R Also Adopts NJW1195A Precise Digital Volume Chipset For Precise Volume Adjustment With Low Distortion Between The Channels.
Dual Headphone Output Ports - FiiO K11 R2R Houses Dual Headphone Output Ports. It Consists Of A Single-Ended 6.35mm Port And A Balanced 4.4mm Output Port. You Can Easily Pair Different IEMs And Headphones With The K11 R2R And Enjoy High-Resolution Music To All Its Glory.
#TOP 3

FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256

black / black
FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256 Cover
FiiO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256 for Home Audio/PC 6.35mm/4.4mm/RCA/Coaxial/Optical (Black)

Features
[Variety Of Inputs+outputs]: Supports USB/coaxial/optical Inputs, With Optical And Coaxial Inputs. 4.4mm/ 6.35mm (1/4 In.) Headphone Out/RCA Line-Out/ Coaxial Outputs.
Revitalize Your Television Or Computer With This Incredible Decoder, And Experience A Whole New Level Of Sound. Whether You're At Home Or In The Office, Paired With Speakers Or Headphones, You'll Be Able To Enjoy Delightful And Captivating Music
VA Display: The High-Definition VA Display Screen Is Carefully Customized With High Contrast And Long Lifespan. It Can Provide A Clearer Presentation Of The Current Status Of The Device, Such As Sampling Rate, Volume, Gain, Output Mode, Etc., Making Your Operation Simpler And More Intuitive.
A Sleek And Compact Desktop Accessory With An Aluminum Alloy Body. Its Small Size And Slim Design Will Bring A Clean And Tidy Look To Your Workspace. Upgrade Your Desk With This Visually Appealing Addition
#TOP 4

FiiO BTR15 Bluetooth Headphone Amplifier

BTR15
black / black
FiiO BTR15 Bluetooth Headphone Amplifier Cover
FiiO BTR15 Bluetooth Headphone Amplifier (Black)

Features
FIIO BTR15 Bluetooth Headphone Amplifier (Black)
Brand: FIIO
Color: Black
#TOP 5

FiiO KA15 Portable DAC and Headphone Amplifier

KA15
Black
FiiO KA15 Portable DAC and Headphone Amplifier Cover
FiiO KA15 Portable DAC and Headphone Amplifier (Black)

Features
The Audiophile-Grade DSP Allows The KA15 To Feature A Ten-Band High-Precision Lossless PEQ, Which Operates Smoothly And With High-Quality Thanks To FIIO's Self-Developed Advanced Adjustment Algorithms. Through The Control App Or The Web Interface*, Not Only Can You Simulate Or Correct The Frequency Response Curve Of Headphones But You Can Also Export, Import, Share, And Save EQ Curves. Whether You Choose To Use Officially Recommended Tunings Or Choose To Share Your Tunings Online With Other Enthusiasts, You Can Easily Enjoy Setting Up EQ The Way You Want It.
The New Generation Of FIIO's 5-Series Audio Dongles Inspires Endless Fun With Avant-Garde Innovation And Appeals To Quality Enthusiasts With A Practical Design. It Brings Together Great Sound, Ergonomics, Fun, And Aesthetics, All Into A Single Tiny And Convenient Package. The KA15 Has Been Completely Revamped Inside And Out. It Combines FIIO's Experienced Audio Know-How On The Inside With Elements Of Retro Tape Recorder Looks On The Outside.
The KA15 Is The First To Use A 0.96-Inch IPS True Colour LCD Screen Among Similar Dongles And Supports Both Chinese And English Language Display. The Settings Menus Have Been Designed To Be More Intuitive And User-Friendly. Additionally, The KA15 Features A New Retro Dynamic UI, Combining Technological Innovation With Classic Design. With The Simulating Spinning Tape, You Can Truly Feel The Uniqueness Of The KA15.
Patented Desktop Mode - Activate Desktop Mode For Greater Power, With Balanced Output Power Of 560mW+560mW, An Astonishing Increase Of 207% Compared To The KA5. This Gives The KA15 The Headroom To Drive Both Low And High-Impedance Headphones.
Microphones Are Supported As A Part Of The 3.5mm Jack, Which Supports The CTIA Standard Of In-Line Controls – Allowing You To Not Only Use Your Microphone But Also To Control Music Playback And Volume.
Intelligent App Control - FIIO's Capable Software Team Made It Possible For The KA15 To Be Fully Controlled By The FIIO Control App*, Including Being Able To Adjust: PEQ, Channel Balance, UAC Mode, Volume, Button Mode, Screen Brightness, Screen Sleep Time, Theme, Etc. More Functionality Is To Be Added Through Future Firmware Updates. *FIIO Control App Control Over The KA15 Is Only Supported On The Android Version Of The App.
Equipped With A High-Performance, Low-Power Processor And High-Precision Chips, The KA15 Innovatively Features Real-Time Voltage And Current Monitoring For Dynamic Power Adjustment. By Recognizing The Device's Playback Status, It Intelligently Adjusts The Overall Power Consumption, Allowing Your Phone To Run Using Less Power. When You Set A Timer For Music Playback During The Night, Once The Timer Ends The KA15 Will Enter An Ultra-Low Power Sleep Mode - So You Don't Have To Worry About Your Phone's Battery Being Low When You Wake Up The Next Day.
Dual CS43198 - The Golden Combination Of A High-Performance USB Chip, Dual CS43198 Flagship DACs + Dual High-Performance SGM8262 Op-Amps, Allow For High Performance In A Tiny Area, Giving The Minute KA15 Dongle More Sound Quality Than Its Small Size Would Suggest
Capable Decoder - The KA15 Supports Up To 768kHz/32bit And DSD256 Sampling Rates, Easily Handling Various Lossless Audio Formats To Meet Your Demands For Great Sound. Additionally, It Is Hi-Res Audio Certified, A Testament To Its Excellent Sound Quality.
COAX Output Supported - The 3.5mm Jack Also Acts As A SPDIF Output, Allowing You To Connect To An External Decoder For More Ways To Listen. HiFi Without Restrictions - A Detachable Cable Plus Compatibility With Android/iOS/iPadOS/Windows/macOS Means You Can Connect Seamlessly To A Wide Range Of Devices, For A Truly HiFi Experience Without Restrictions! Plug-And-Play With Driver-Free Mode - Select The UAC1.0 Mode To Connect To The Switch, PS5 And Other Devices For More Immersive Gaming.
#TOP 6

FiiO KA15 Portable DAC and Headphone Amplifier

KA15
Blue
FiiO KA15 Portable DAC and Headphone Amplifier Cover
FiiO KA15 Portable DAC and Headphone Amplifier (Blue)

Features
The Audiophile-Grade DSP Allows The KA15 To Feature A Ten-Band High-Precision Lossless PEQ, Which Operates Smoothly And With High-Quality Thanks To FIIO's Self-Developed Advanced Adjustment Algorithms. Through The Control App Or The Web Interface*, Not Only Can You Simulate Or Correct The Frequency Response Curve Of Headphones But You Can Also Export, Import, Share, And Save EQ Curves. Whether You Choose To Use Officially Recommended Tunings Or Choose To Share Your Tunings Online With Other Enthusiasts, You Can Easily Enjoy Setting Up EQ The Way You Want It.
The New Generation Of FIIO's 5-Series Audio Dongles Inspires Endless Fun With Avant-Garde Innovation And Appeals To Quality Enthusiasts With A Practical Design. It Brings Together Great Sound, Ergonomics, Fun, And Aesthetics, All Into A Single Tiny And Convenient Package. The KA15 Has Been Completely Revamped Inside And Out. It Combines FIIO's Experienced Audio Know-How On The Inside With Elements Of Retro Tape Recorder Looks On The Outside.
The KA15 Is The First To Use A 0.96-Inch IPS True Colour LCD Screen Among Similar Dongles And Supports Both Chinese And English Language Display. The Settings Menus Have Been Designed To Be More Intuitive And User-Friendly. Additionally, The KA15 Features A New Retro Dynamic UI, Combining Technological Innovation With Classic Design. With The Simulating Spinning Tape, You Can Truly Feel The Uniqueness Of The KA15.
Patented Desktop Mode - Activate Desktop Mode For Greater Power, With Balanced Output Power Of 560mW+560mW, An Astonishing Increase Of 207% Compared To The KA5. This Gives The KA15 The Headroom To Drive Both Low And High-Impedance Headphones.
Microphones Are Supported As A Part Of The 3.5mm Jack, Which Supports The CTIA Standard Of In-Line Controls – Allowing You To Not Only Use Your Microphone But Also To Control Music Playback And Volume.
Intelligent App Control - FIIO's Capable Software Team Made It Possible For The KA15 To Be Fully Controlled By The FIIO Control App*, Including Being Able To Adjust: PEQ, Channel Balance, UAC Mode, Volume, Button Mode, Screen Brightness, Screen Sleep Time, Theme, Etc. More Functionality Is To Be Added Through Future Firmware Updates. *FIIO Control App Control Over The KA15 Is Only Supported On The Android Version Of The App.
Equipped With A High-Performance, Low-Power Processor And High-Precision Chips, The KA15 Innovatively Features Real-Time Voltage And Current Monitoring For Dynamic Power Adjustment. By Recognizing The Device's Playback Status, It Intelligently Adjusts The Overall Power Consumption, Allowing Your Phone To Run Using Less Power. When You Set A Timer For Music Playback During The Night, Once The Timer Ends The KA15 Will Enter An Ultra-Low Power Sleep Mode - So You Don't Have To Worry About Your Phone's Battery Being Low When You Wake Up The Next Day.
Dual CS43198 - The Golden Combination Of A High-Performance USB Chip, Dual CS43198 Flagship DACs + Dual High-Performance SGM8262 Op-Amps, Allow For High Performance In A Tiny Area, Giving The Minute KA15 Dongle More Sound Quality Than Its Small Size Would Suggest
Capable Decoder - The KA15 Supports Up To 768kHz/32bit And DSD256 Sampling Rates, Easily Handling Various Lossless Audio Formats To Meet Your Demands For Great Sound. Additionally, It Is Hi-Res Audio Certified, A Testament To Its Excellent Sound Quality.
COAX Output Supported - The 3.5mm Jack Also Acts As A SPDIF Output, Allowing You To Connect To An External Decoder For More Ways To Listen. HiFi Without Restrictions - A Detachable Cable Plus Compatibility With Android/iOS/iPadOS/Windows/macOS Means You Can Connect Seamlessly To A Wide Range Of Devices, For A Truly HiFi Experience Without Restrictions! Plug-And-Play With Driver-Free Mode - Select The UAC1.0 Mode To Connect To The Switch, PS5 And Other Devices For More Immersive Gaming.
#TOP 7

FiiO KA17 High End Dongle Amplifier

KA17
Black
FiiO KA17 High End Dongle Amplifier Cover
FiiO KA17 High End Dongle Amplifier with Dual ES9069 DACs (Black)

Features
Parallel Output, Big Boost In Power - With Sufficient USB Power Supply Input And Desktop Mode Enabled, The KA17's Four THX Headphone Amps Work Together In Parallel For Greater Current And Overall Power Output. The Result Is Up To 270mW+270mW Power Output For Single-Ended Out, And Up To 650mW+650mW Power Output For Balanced Out.
Desktop Mode, Taking It To The Next Level - The FIIO KA17 Features A Special Desktop Mode, Activated Using The Dedicated D.Mode Switch. Enable The Desktop Mode, And The KA17 Will Automatically Adjust The DAC, Amplifier Power Supply, And Amplifier Power Output To Fully Unleash Their Potential With Greater Power Output.
Ten-Level Highly Precise PEQ - The XMOS XU316 Chip Allowed FIIO Engineers To Develop A Highly Precise Adjustable PEQ*, With 10 Customizable Frequency Bands. FIIO's Self-Developed PEQ Algorithm And Interface Allow You To Fine-Tune The Frequency, Gain, And Bandwidth Of Each PEQ Band, Letting You Dial In The Sound Exactly The Way You Want It.
Separate Digital And Analogue Boards - The Digital And Analogue Portions Of The Audio Circuit Lie On Totally Separate Circuit Boards In The KA17, Each Board Equipped With A Shielding Cover For Total Isolation. This Ensures That The Digital And Analogue Portions Of The Audio Circuit Do Not Interfere With Each Other, Enabling Accurate Processing Of Audio Signals.
Outstanding Performance - Handling USB Duties In The KA17 Is The 16-Core XMOS XU316, Rarely Found In Audio Dongles. This Chip Features Lower Latency, More Stable Signal Transmission, And Better Compatibility Than Typically Used USB Control Chip. And When Paired With Dual Crystal Oscillators, The KA17 Is More Than Capable Of Handling Various Digital Audio Sources With Various Sampling Rates.
Multistage HiFi Audio Circuit - FIIO Engineers Were Cleverly Able To Adapt The Audio Circuit Designs Of Mid To High-End Digital Audio Players To The Compact KA17. With Its High-Precision Handling Of Digital Audio Signals, Thanks To The Dual Crystal Oscillator Clocks And High-Performance DAC Converted To Analogue Signals Output By A Robust Analogue Section Consisting Of LPF Voltage Amplification, BUF Current Expansion And Headphone Amps Working Together In Parallel, You Can Be Sure That The KA17 Can Reproduce The Detail And Dynamics In Your Music As Well As A Serious Digital Audio Player.
Independent Type-C Power Supply - The KA17 Features Two USB Type-C Ports. One Is The Typical Port Used To Connect To Other Devices Such As Phones, Tablets And Computers. The Orange Port On The Side Is Designed For Use With An External Power Supply. When An External Power Supply Is Connected To This Port, The KA17 Can Achieve Higher Power Output And Better Performance Without Consuming The Battery Of Your Phone Or Other Connected Device.
Dual Flagship ES9069Q DACs - The KA17 Employs Two Of The New ESS ES9069Q Flagship DACs, Powered By Fourth-Gen 32-Bit HyperStream Technology. These Chips Feature Even Higher Performance, Lower Power Consumption, And Less Digital Noise Than Previous Generations For An Absolutely Pristine And Pure Audio Background.
All-New THX AAA 78+ Headphone Amp Design - The THX AAA 78 Headphone Amp Proved Itself In The Mid-To-High-End M11 Pro And M11 Plus Players. Now, The Even Newer And Upgraded THX AA 78+ Features In The KA17. Inside The KA17 Are THX AAA 78+ Headphone Amplifiers, With 8 Op-Amps Working In Parallel In A 4-Channel Fully Balanced Configuration, Allowing For Not Only Greater Power Output But Also More Detailed And Realistic Sound.
3-Stage 10-Rail Power Supply Design - The Three Main Stages Of The Power Supply Consist Of First-Stage Filtering + Overvoltage Protection, Second-Stage DC-DC Boost Conversion, And Third-Stage LDO Voltage Stabilization. This Filtering Of Electricity Applies To Each Of The Three Main Power Supply Rails, One Each For The Digital, Digital-To-Analogue Conversion, And Analogue Signal Parts Of The Audio Circuit. The Power Supply Circuit Is Also Divided Into Ten Smaller Rails. The Power Supply Found In The KA17 Features Many Of The Same Principles As Those Found In Desktop Headphone Amplifiers.
#TOP 8

FIIO K9 Desktop Headphone Amplifier and DAC

black
FIIO K9 Desktop Headphone Amplifier and DAC Cover
FIIO K9 Desktop Headphone Amp/DAC - Standard Edition

The FIIO K9 Amplifier offers exceptional sound quality with its dual ES9068AS DACs, immersing you in your favourite music. Its high-end THX AAA 788+ amplifier delivers impressive power output, ensuring compatibility with both low and high-impedance headphones. Enjoy high-resolution audio through Bluetooth with support for various formats, allowing you to connect easily to your phone for music, videos, or gaming. The added FiiO Control app enhances your experience with adjustable filters and equaliser settings, giving you complete control over your audio preferences.

What We Like
High-performance dual DACs
Powerful THX AAA amplifier
High-res Bluetooth connectivity
Customisable audio settings
#TOP 9

FiiO K9 PRO ESS DAC Desktop

K9ProESS
FiiO K9 PRO ESS DAC Desktop Cover
FiiO K9 PRO ESS DAC Desktop with high-end headphone amplifier

Features
THX AAA 788+ Technology
High Performance ES9038PRO+2 DAC
Supports LDAC/aptX Adaptive/aptX HD
Rear: 4.4mm Balanced Line; Coaxial, Optical, Bluetooth, RCA, USB Input; RCA SE Output And XLR+2 Balanced Output; Side: USB Type C Port
Front: 4-Pin XLR; 4.4mm Balanced; 1 X 1/4" Single End
#TOP 10

FiiO KA13 Portable Dual DAC AMP

KA13
Black
FiiO KA13 Portable Dual DAC AMP Cover
FiiO KA13 Portable Dual DAC AMP with 3.5mm/4.4mm Outputs FiiO KA13 Portable Dual DAC AMP with 3.5mm/4.4mm Outputs (Black)

Features
With Two High-Performance Yet Highly Efficient CS43131 DAC Chips And Two Low-Noise SGM8262 Op-Amps, This Truly “dual-Core” Golden Combo Brings Excellent Performance. Rediscover Your Music Collection Again Full Of Newly Discovered Details With The KA13.
From The Portable Desktop-Level Unit M17, The Portable Desktop-Grade DAC And Amp Q7, To The More Portable Yet Desktop-Capable M15S, Audiophiles' Warm Reactions To These Models Prove Many Love Desktop-Level Audio Gear. After Being Successfully Applied To The Three High-End Models, The Desktop Mode Will Now Evolve And Be Applied To Audio Dongles. The FiiO KA13 Mini Desktop Amp Features A Desktop Mode To Fully Unleash Its Performance.
The KA13 Not Only Manages To Fit A 3.5mm Single-Ended Headphone Out, It Also Manages To Pack A 4.4mm Balanced Headphone Out. FiiO Engineers Repeatedly Adjusted The Design Of The KA13 And Finally Managed To Fit Two Headphone Outputs In The Compact Dongle, Marking True Progress In Packaging Capabilities.
The KA13 Features A Detachable Cable Design. When Combined With The Included Type-C And Lightning Adapter Cables, You Can Listen With Various Systems Without Having To Immediately Purchase Another Cable. The KA13 Supports Being Controlled With The FIIO Control App. With The App, You Can Set The RGB Lights, SPDIF Output, Audio Filters, Etc. For A More Convenient Experience.
The KA13 Features A Desktop Mode, Which The Engraved Lightning Bolt Logo Hints At. In Desktop Mode, Balanced Output Power Goes Up To 550mW, Allowing The KA13 To Drive Both Low And High-Impedance Headphones With Excellent Dynamics And Detail.
Buying Guide Image
Editor's Notes

During our FiiO headphone amplifier research, we found 28 FiiO headphone amplifier products and shortlisted 10 quality products. We collected and analyzed 2,581 customer reviews through our big data system to write the FiiO headphone amplifiers list. We found that most customers choose FiiO headphone amplifiers with an average price of £20.00.

The FiiO headphone amplifiers are available for purchase. The top 10 picks range in price from a low of £128.00 to a high of £449.00, find the one that fits your budget.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.