FiiO K9 Pro ESS
Best desktop amplifier for audiophiles seeking premium power and versatile connectivity.
This desktop powerhouse transforms your digital library into a high-fidelity experience with enough raw muscle to drive even the most demanding headphones. It trades a compact footprint for uncompromising audio clarity, making it the definitive centerpiece for a serious listening station.
$699.99
at
FiiO Official Website
Who it's for
- Audiophiles seeking uncompromising sonic clarity and detail
- Headphone collectors owning diverse gear with varying power needs
- Desktop users managing multiple digital and analog audio sources
Who should skip it
- Budget-conscious listeners prioritizing value over flagship performance
- Commuters or travelers needing a portable audio solution
- Casual listeners intimidated by complex high-end audio configurations
Performance breakdown
Amplification Power
THX AAA 788+ technology drives even the most demanding planar headphones effortlessly.
Signal Fidelity
Flagship AKM DAC architecture delivers exceptionally clean and transparent audio reproduction.
Connectivity Versatility
Comprehensive input options ensure seamless integration with any modern digital source.
Wireless Performance
High-definition codec support maintains impressive detail for convenient wireless streaming.
Build Integrity
Precision-machined aluminum chassis provides a robust, premium feel on any desk.
Software Control
FiiO Control App offers intuitive customization for fine-tuning your listening experience.
Key Specs
Brand
FiiO
Model Name
K9 Pro ESS
Form Factor
Desktop
Power Source
AC Powered
DAC Combination
AK4191EQ and AK4499EX
USB DAC Support
768K/32Bit PCM decoding and DSD512
Amplifier Technology
THX AAA 788+
Max Output Power
780mW at 300ohm load, 2000mW at 32ohm load
Input Types
USB-B, Optical, Coaxial, Bluetooth
Output Types
3.5mm Jack, 4.4mm Balanced, XLR Balanced
Know before you buy
Still have a question?
Ask Metto anything about the FiiO K9 Pro ESS before you decide.
