FiiO K9 Desktop Headphone Amp/DAC – AKM Edition

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FiiO K9 Desktop Headphone Amp/DAC – AKM Edition

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Key info

  • FiiO K9 Desktop Headphone Amp/DAC – AKM Edition offers cutting-edge AKM flagship DAC combo AK4191EQ + AK4499EX for immersive sound.
  • Revolutionary “DWA ROUTING technology” minimizes noise interference, enhancing Signal to Noise Ratio for detailed, natural sound transmission.
  • THX AAA 788+ amplifier delivers 1% undistorted power output up to 780mW at 300Ω and 2000mW at 32Ω, driving headphones with precision.
  • Stable power ensured by multiple Low Drop-Out Regulators (LDOs), linear transformer, and massive capacitors for clean continuous power.
  • Dual-mode clock management, high-res Bluetooth connectivity, versatile design, and intuitive controls elevate your audio journey with FiiO K9 AKM.

All specifications

Physical characteristics
Weight About 2660 g
Dimensions (HxWxD) 200 x 224.5 x 72 mm (excluding feet)
Amplifier type Dual THX AAA 788+
DAC Chip AK4191+AK4499EX
Output power Output Power 1: L+R≥2000mW+2000mW 320 balanced/THD+N < 1%; Output Power 2: L+R≥780mW+780mW (3000 balanced/THD+N <1%)
Output Impedance < 10 (32 Ohm load)
SNR ≥128 dB (A-weighted, UAC)
Inputs Type-B / Type-C / OPT / COAX / RCA / XLR
Outputs 6.35mm / 4.4mm / XLR-4 / RCA / XLR
Supported audio formats
Bluetooth Qualcomm Bluetooth (5.1) QCC5124 with LDAC/aptX Adaptive and other high-res codec support
Included accessories
What's in the box FiiO K9 AKM Desktop DAC and Headphone Amplifier, Power cord, Headphone plug adapter (6.35mm to 3.5mm), USB date cable, Feet Pads x 6, Fuse, Vertical stand tray, Quick start guide and Voltage selection card

AKM flagship DAC combo AK419EQ+AK4499EX | Newly added Type-C port THX AAA 788+ amplifier | Dual-mode clock management | QCC5124 Bluetooth LDAC/aptX Adaptve and other high-res Bluetooth codec support | App connectivity Truly balanced design | Dual-voltage linear transformer | Variety of inputs and outputs

Unleash the true potential of your audio with the FiiO K9 Desktop Headphone Amp/DAC – AKM Edition, a masterpiece featuring the cutting-edge AKM flagship DAC combo – AK4191EQ + AK4499EX. Experience music like never before, as the K9 AKM boasts a revolutionary design with totally separated digital and analogue sections, complemented by the innovative “DWA ROUTING technology.” This breakthrough not only enhances the Signal to Noise Ratio but also minimizes noise interference, delivering a more realistic, detailed, and natural sound transmission that immerses you in the world of the performing artists.

AKM flagship DAC combo AK4191EQ + AK4499EX

The K9 AKM applies AKM’s brand-new flagship DAC combo – AK4191EQ + AK4499EX. Based on the new design technology of totally separated digital and analogue 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.

Refreshingly capable high-end amplifier

The FiiO K9 AMK’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.

Multiple LDOs in multiple stages, truly stable power

The power stabilization and filtering within the audio circuit play a big part in ensuring excellent sound quality. Each stage of the audio circuit employs ultra-low-noise LDOs for voltage regulation.

Isolated digital and analogue section power supply, for purer sound

The digital and analogue portions of the K9 receive power separately to reduce interference between the two audio circuits, for pure and faithful reproduction of your music.

Electricity is the Robust power supply, ample power

The linear transformer is paired with 4 massive 4700uF capacitors to provide clean continuous power.

Dual-mode clock management, even more improvement to the 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.

High-res Bluetooth for 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 with support for LDAC/atpX Adaptive/aptX HD/aptX/aptX LL/AAC/SBC.

Compatible with UAC1.0/UAC2.0 – Highly adaptable

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.

Horizontal or vertical

The K9 AKM adopts the well-received design language of other FiiO desktop units, and features an all-aluminium construction made from an integrated streaming + 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.

Volume knob with a weighty feel and convenient RGB light information

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.

FiiO control app – Professional PEQ and more

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 you liking, the 3 self-define PEQ (Parametric Equalizer) designs will help to fine adjust to your favourite listening style.

You can connect the K9 AKM to your phone via Bluetooth, and with the addition of the FiiO control app you can 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.

Exceptional Amplification for Every Headphone

At the heart of the K9 AKM lies the THX AAA 788+ amplifier, offering an extraordinary 1% undistorted power output up to 780mW at 300Ω and an impressive 2000mW at 32Ω. Whether you prefer low-impedance or high-impedance headphones, the K9 AKM effortlessly drives them with unmatched precision and power.

Stable Power for Superior Sound

The K9 AKM incorporates multiple Low Drop-Out Regulators (LDOs) across various stages, ensuring stable power throughout the audio circuit. The linear transformer, paired with massive 4700uF capacitors, delivers clean continuous power, elevating your listening experience.

Isolated Digital and Analogue Sections for Purity

Experience pure and faithful reproduction of your music with the K9 AKM’s separate power supplies for digital and analogue sections. This thoughtful design minimizes interference between audio circuits, preserving the integrity of your music.

Precision Clock Management for High-Resolution Audio

The FiiO K9 AKM’s dual-mode clock management ensures accurate and stable playback of high-resolution audio, allowing you to enjoy music with the greatest fidelity, just as the artists intended.

High-Res Bluetooth Connectivity

Equipped with the QCC5124 Bluetooth chip, the K9 AKM supports LDAC, aptX HD, aptX Adaptive, and more high-res Bluetooth codecs. Enjoy high-quality audio with low latency, whether you’re listening to music, watching videos, or playing games.

Versatile Design with Premium Build

Embrace the well-received design language of FiiO desktop units with the K9 AKM’s all-aluminium construction. Its integrated streaming + CNC process ensures strength and precise finish. Use it vertically or horizontally with the included stand, making it a versatile addition to your desktop setup.

Intuitive Controls with FiiO Control App

Navigate through 120 levels of volume using the iconic, weighty FiiO volume knob, powered by ADC curve reconstruction. The FiiO Control app allows you to switch between 7 preset music tuning styles, customize with 3 self-defined PEQ designs, and access additional settings for a personalized audio experience.

Elevate your audio journey with the FiiO K9 AKM – where innovation meets unparalleled sound quality.

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