FiiO K9 AKM DAC and Headphone Amplifier

Unparalleled Audio Precision with the FiiO K9 AKM Desktop DAC and Headphone Amplifier
The FiiO K9 AKM Desktop DAC and Headphone Amplifier offers a flagship-grade listening experience for audiophiles and music enthusiasts. Engineered with the AK4191EQ + AK4499EX DAC combo, this device sets a new standard in audio clarity, capable of supporting up to 32-bit/768kHz PCM and DSD512. Whether you're a fan of high-resolution digital audio or an analog purist, the K9 AKM integrates seamlessly into any setup with its diverse range of input and output options.
Flagship DAC and High-Fidelity Performance
At its core, the FiiO K9 AKM features the flagship AK4191EQ and AK4499EX DACs, which utilize cutting-edge DWA Routing technology. This design separates digital and analog signals to reduce noise and enhance signal purity, delivering lifelike sound reproduction. Every nuance of your music is captured with remarkable detail, providing a listening experience that feels as if you’re in the recording studio or concert hall.
Exceptional Amplification Power
The K9 AKM incorporates THX AAA 788+ amplifiers to provide distortion-free sound even at high volume levels. This high-power amplification system is capable of driving headphones with impedance ratings from 8 to 350 ohms. Whether you're using in-ear monitors or power-hungry planar headphones, the K9 AKM ensures they perform at their best, delivering up to 2000mW at 32 ohms.
Versatile Connectivity for Every Setup
The FiiO K9 AKM supports a wide range of input and output options, including USB-B, USB-C, coaxial, optical, RCA, and balanced XLR. Its headphone outputs cater to both single-ended and balanced configurations, with 1/4" Single-ended and balanced 4.4mm and 4-Pin XLR options. Additionally, the RCA and 3-Pin XLR balanced line outputs make the K9 AKM ideal for pairing with active speakers or external amplifiers, ensuring compatibility with any desktop or home audio setup.
Intuitive Features and Customization
The K9 AKM offers a 120-step digital volume adjustment system that minimizes left-right channel imbalance and noise, delivering precise volume control. RGB lighting around the volume knob indicates sample rates and adds a stylish aesthetic to your desk setup. Through the FiiO Control app, users can fine-tune settings, including PEQ adjustments and UAC modes, ensuring a tailored listening experience.
Built for Long-Term Reliability
The K9 AKM is crafted with an all-aluminum body and a robust linear power supply featuring four 4700uF capacitors, providing stable and clean power for consistent audio performance. The internal PCB is partitioned to separate digital and analog circuits, minimizing crosstalk and interference. With a dual-mode clock management system and Qualcomm QCC5124 Bluetooth chip, the K9 AKM ensures stable wireless connections with support for LDAC, aptX HD, and other high-res codecs.

Technical Specifications



Feature
Details




DAC
AKM AK4499EX + AK4191EQ


Amplifiers
Dual THX AAA 788+


Supported Audio Formats
PCM up to 32-bit/768kHz, DSD up to DSD512


Input Options
USB-B, USB-C, Coaxial, Optical, RCA, 4.4mm Balanced Line Input


Output Options
RCA, 3-Pin Balanced XLR, 1/4” TRS, 4.4mm Balanced, 4-Pin XLR Balanced Headphone Out


Bluetooth Version
5.1


Bluetooth Codecs
LDAC, aptX HD, aptX Adaptive, aptX LL, AAC, SBC


Headphone Output Power
2000mW @ 32Ω (4.4mm Balanced)


Frequency Response
20Hz – 50kHz ±3.5dB


Signal-to-Noise Ratio
≥ 128dB (XLR Line Out), ≥ 124dB (Balanced Headphone Out)


Impedance Range
8Ω – 350Ω


Volume Adjustment
120-Step ADC Volume Control


Power Supply
Linear power supply with four 4700uF capacitors


Dimensions
8.84 x 7.9 x 2.8 in (22.45 x 20 x 7.2 cm)


Weight
5.7 lbs (2.6 kg)




What's In the Box

FiiO K9 AKM Desktop DAC and Headphone Amplifier
Power Cord
USB Data Cable
1/4" Headphone Adapter
Vertical Mounting Stand
6 x Foot Pads
Fuse
Limited 1-Year Manufacturer Warranty

The FiiO K9 AKM redefines desktop audio with its exceptional performance, advanced features, and versatile connectivity. Available now on Headphones.com, this audiophile-grade DAC and amplifier is the ultimate addition to your home or office audio setup.