AKM flagship DAC combo AK4191EQ+AK4499EX | Newly added Type-C port
THX AAA 788+ amplifier | Dual-mode clock management | QCC5124 Bluetooth
LDAC/aptX Adaptive and other high-res Bluetooth codec support | App connectivity
Truly balanced design | Dual-voltage linear transformer | Variety of inputs and outputs

Note: product drawings are for reference only, all in kind shall prevail

* Pictures are for reference only. The actual product may vary.

AKM flagship DAC combo

The K9 AKM applies AKM's brand-new flagship DAC combo --AK4191EQ+AK4499EX. Based on the new design technology of totally separated digital and analog sections, the DAC combo even incorporates the newly developed "DWA ROUTING technology" to improve the Signal to Noise Ratio and reduce noise from varieties of amplitude. The result is more realistic, detailed and natural sound transmission, as if you were there with the performing artists.

Selling points

High-end amplifier
Refreshingly capable

The FIIO K9 AKM's ace up its sleeve is the THX AAA 788+ amplifier, giving it an extraordinary 1% undistorted power output up to 780mW at 300Ω and up to 2000mW at 32Ω. No matter if you use low-impedance or high-impedance headphones, the K9 AKM will drive it with aplomb. 

two DAC chips ES9068AS handle the left and right channels respectively, and the fine "core" polishes the quality and sound quality. Listen to your favorite song list and revel in the beautiful song in an instant.

high-performance dual-core, sound into your heart

Precisely designed

Electricity is the mother of sound

Dual-mode clock management
Even more improvement to sound

Accurate and stable dual-mode clock management allows the K9 AKM to easily play back high-resolution audio with the greatest fidelity, as if you were there with the performing artists.


* Supports up to 768kHz/32bit PCM and DSD512

High-res Bluetooth
Adept at all of your audiovisual needs

The K9 AKM employs the QCC5124 Bluetooth chip with support for LDAC/aptX HD/aptX Adaptive and other high-res Bluetooth codecs. With the K9 AKM, you can listen to music, watch videos, and play video games with high quality and low latency.


*Bluetooth 5.1, supported formats: LDAC/aptX Adaptive/aptX/aptX HD/aptX LL/AAC/SBC

The K9 AKM supports both UAC1.0 and UAC2.0 modes, allowing you to use the K9 AKM with either devices that are simply plug-and-play or with devices that can work with the K9 AKM with an additional driver for even better compatibility. And the FIIO Control App allows you to easily switch between UAC1.0 and UAC2.0 modes.

*UAC1.0 for PS5 and other device support

Compatible with UAC1.0/UAC2.0
Highly adaptable

Comprehensively capable
No matter where you look

The K9 AKM adopts the well-received design language of other FIIO desktop units, and features an all-aluminum construction made from an integrated stretching + CNC process to ensure the body's strength and precise finish. And with the vertical stand, the K9 AKM can be used either vertically or horizontally, allowing it to become a versatile part of your desktop setup.

Neatly handsome
Horizontal or vertical

A weighty feel
For a weighty sound

The iconic, weighty FIIO volume knob is powered by ADC curve reconstruction to allow you to precisely and smoothly adjust through 120 levels of volume, with minimal noise and volume deviation between the left and right channels.  

Not only do the RGB lights around the knobs give the K9 AKM and the desk space around it some fun personality, they also conveniently indicate the current audio sampling rate and Bluetooth codec.

Light it up
Let the high-res music commence

Professional PEQ
For what you love

Through the FIIO Control app, you can quickly switch between 7 music tuning styles preset on the K9 AKM. If the selected tuning style fits the music you are listening to, you can acquire a more vivid and pleasant experience. If the preset tuning style is not to your liking, the 3 self-define PEQ (Parametric Equalizer) designs will help to fine adjust to your favorite listening style.

*This function is only valid for Bluetooth decoding. 

You can connect the K9 AKM to your phone via Bluetooth, and with the addition of the FIIO Control app you get access to even more functionality. Adjust various settings such as 6 types of filters, status indicators, EQ, and channel balance to exactly your liking.


*EQ only works in Bluetooth mode.

To show off your skills
One app is enough

Multiple intelligent protection systems
Always ready to go

Three intelligent protection systems – preventing overheating, overload, and DC protection – constantly make sure that the K9 AKM delivers high-energy music without wearing itself out. Listen worry-free with the K9 AKM!

Immerse yourself in fabulous music

Abundant accessories

① K9 AKM*1   ② Power cord*1   ③ Headphone plug adapter*1 ④ USB data cable*1   ⑤ Feet pads*6   ⑥ Fuse*1    ⑦ Stand*1   ⑧ Quick start guide*1   ⑨ Voltage selection card*1 ⑩ Warranty card*1