FiiO
FiiO K15
Best high-fidelity desktop hub for serious audiophiles seeking versatile connectivity.
The FiiO K15 is a versatile desktop DAC and headphone amplifier featuring dual high-end AKM AK4497S DAC chips for exceptional audio fidelity. It boasts a discrete Class AB current-amplifying headphone circuit capable of delivering a powerful 3000mW + 3000mW output. With seven operating modes, including USB DAC, Bluetooth, coaxial, optical, line-in, media streaming, and local playback, it offers extensive connectivity. The device supports full MQA decoding, high-resolution audio up to 768kHz/32-bit and DSD512, and features a 3.93-inch touchscreen, Wi-Fi, Gigabit Ethernet, and a 10-band parametric EQ for personalized sound.
$549.99
Owner Satisfaction
4.5
/ 5
Category Rank
325
/ 562
#325 in Audio Converters
Price vs Category Average
-87%
Below average
Model
15
/ K
Who it's for
- Audiophiles driving power-hungry, high-impedance headphones
- Listeners prioritizing high-resolution, transparent audio reproduction
- Users managing complex home audio and multi-device systems
Who should skip it
- Budget-conscious listeners seeking entry-level desktop amplification
- Commuters and travelers needing portable, battery-powered audio solutions
- Minimalists working with limited or crowded desk space
Performance breakdown
Drive Capability
Massive 3000mW output effortlessly powers even the most demanding planar headphones.
Audio Fidelity
Dual AK4497S chips deliver a rich, transparent, and highly detailed soundstage.
Connectivity Versatility
Seven operating modes ensure seamless integration with any digital or analog source.
Interface Intuition
The responsive touchscreen and app control make complex adjustments feel remarkably simple.
Build Integrity
Robust construction with independent power supplies minimizes interference for pristine signal purity.
Sound Customization
The 10-band parametric EQ offers surgical precision for fine-tuning your signature sound.
Key Specs
Model
K15
Hardware Solution
Main Control: X2000; MCU: ESP32-S3; DAC: AK4497S*2; USB Decoding: XU316; Bluetooth Decoding: QCC5125; AMP: Discrete Transistor Current Amplification MJE243G/253G
Working Mode
USB DAC Mode/Coaxial Decoding Mode/Optical Decoding Mode/Line-in Mode/Balanced Input Mode/Bluetooth Receiving Mode/Media Streaming Receiving Mode/Local Playback Mode
Color
Black/Silver
Weight
Approximately 2100 g
Dimensions
Approximately 244.6 x 213 x 66.8 mm
MQA
Supports full MQA decoding
Driver-free Mode (Switch Mode)
Supported
Features
- Dual high-end AKM AK4497S DAC chips for superior sound quality.
- Discrete Class AB current-amplifying headphone circuit for powerful output.
- Seven versatile operating modes to suit various audio sources and needs.
- Full MQA decoding support for high-resolution audio playback.
- 3.93-inch touchscreen and multiple control options for intuitive operation.
- Dual-band Wi-Fi and Gigabit Ethernet for stable, high-speed connectivity.
- 10-band parametric EQ for precise sound customization.
- Robust build with independent power supplies for digital and analog sections.
What customers say
Customers consistently praise the FiiO K15 for its exceptional sound quality, delivering a powerful and clean audio experience that elevates listening. Many highlight its robust build and premium design, noting the device feels substantial and looks sophisticated on any desk. The K15 is often seen as a significant upgrade, providing a compelling blend of performance and aesthetic appeal for serious audio enthusiasts.
Know before you buy
Yes, the K15 features a discrete Class AB current-amplifying circuit that delivers a robust 3000mW + 3000mW output, making it more than capable of driving demanding, high-impedance headphones with ease.
Absolutely. The device includes dual-band Wi-Fi and Gigabit Ethernet for high-speed media streaming, and it also supports Bluetooth 5.1 with high-resolution codecs like LDAC and aptX Adaptive for convenient wireless playback.
The 10-band parametric EQ allows you to precisely adjust specific frequency ranges to tailor the sound signature to your personal preference or to correct for your headphones' characteristics. It is fully accessible via the 3.93-inch touchscreen or the FiiO Control app for digital inputs.
The K15 is highly versatile, featuring a wide array of input and output interfaces including USB-C, Coaxial, Optical, RCA, and XLR. You can use it as a standalone DAC, a dedicated headphone amplifier, or integrate it into a larger home audio system using its various line-in and output options.
The K15 supports a driver-free mode, making it easy to plug and play with most modern operating systems. For full high-resolution performance up to 768kHz/32-bit and DSD512, you may choose to install the dedicated FiiO USB DAC driver.
The dual AK4497S configuration provides exceptional audio fidelity and channel separation. By using a dedicated chip for each channel, the K15 achieves a lower noise floor and improved dynamic range compared to single-chip designs.
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$550