FiiO K9 DAC
Best desktop amplifier for audiophiles seeking high-resolution clarity and power.
This desktop powerhouse brings flagship-grade clarity to your desk without the need for a complex, multi-component stack. It trades a compact footprint for raw, distortion-free amplification that can drive even the most demanding headphones with ease.
$529.99
Who it's for
- Audiophiles seeking natural, high-fidelity sound reproduction
- Owners of demanding planar or high-impedance headphones
- Users needing a versatile central hub for diverse audio sources
Who should skip it
- Budget-conscious buyers looking for entry-level desktop solutions
- Minimalists requiring a compact or portable audio setup
- Users sensitive to equipment heat in small, enclosed workspaces
Performance breakdown
Audio Fidelity
The AKM flagship chipset delivers industry-leading clarity and high-resolution detail.
Amplification Power
THX AAA technology drives demanding headphones with effortless, distortion-free authority.
Connectivity Versatility
Comprehensive input and output options integrate seamlessly into any complex audio setup.
Build Integrity
Robust aluminum construction provides a premium feel and lasting desktop durability.
Digital Precision
The 120-step volume control offers granular adjustments for perfect listening levels.
Wireless Performance
High-resolution Bluetooth codecs ensure excellent fidelity without the need for cables.
Key Specs
DAC
AKM AK4191EQ + AK4499EX
Amplifier Technology
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)
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