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FiiO K11 Silver
32-bit/384 kHz Headphone Amplifier - Hi-Res Audio - USB-C, RCA, optical, coaxial, 4.4 mm and 6.35 mm headphones
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For an unforgettable audiophile experience
Designed for demanding audiophiles as well as enthusiasts looking to significantly enhance their listening experience, the FiiO K11 combines a high-resolution digital-to-analog converter (DAC) and a powerful headphone amplifier in a compact and elegant format. Equipped with the renowned Cirrus Logic CS43198 DAC, it delivers detailed, dynamic, and highly accurate sound reproduction, while supporting audio streams up to PCM 384 kHz / 32 bits and DSD256. Its impressive output power of up to 1400 mW per channel in balanced mode allows it to efficiently drive a wide variety of hi-fi headphones. With its many connections, informative LCD screen, three gain levels, and customizable RGB lighting, the K11 stands out as a complete and accessible solution for fully enjoying your music, games, or multimedia content.
A highly appreciable pure sound
The FiiO K11 stands out for its balanced audio architecture offering clear and powerful sound reproduction, capable of revealing the full potential of modern headphones. Its amplification stage delivers up to 1400 mW at 32 ohms via its 4.4 mm balanced output, while its three gain levels ensure optimal adaptation for both sensitive earphones and high-impedance headphones. Thanks to its USB-C, optical, and coaxial inputs, it integrates easily with a computer, a game console, or a digital audio player. Its LCD screen displays essential information in real time, while its compact aluminum chassis and low-noise power supply ensure stability and sound quality every day.
Main features:
- USB DAC and desktop headphone amplifier
- DAC: Cirrus Logic CS43198
- USB controller: SA9312L
- SPDIF decoding: MS8422N
- Amplification: 2 x SGM8262-2
- Maximum USB resolution: PCM 384 kHz / 32 bits, native DSD256
- Maximum coaxial resolution: 192 kHz / 24 bits / Maximum optical resolution: 96 kHz / 24 bits
- Unbalanced headphone output: 6.35 mm jack / Balanced headphone output: 4.4 mm jack
- Line output: stereo RCA
- Digital inputs: USB-C / Toslink optical / SPDIF coaxial
- Coaxial digital output (USB mode only)
- Unbalanced output power: 520 mW + 520 mW at 32 O / 60 mW + 60 mW at 300 O
- Balanced output power: 1400 mW + 1400 mW at 32 O / 250 mW + 250 mW at 300 O
- Gain levels: low, medium, high
- Signal-to-noise ratio: ≥ 123 dB (headphone outputs) / ≥ 126 dB (RCA output)
- Total harmonic distortion: < 0.00059 % (6.35 mm) / < 0.0010 % (4.4 mm) / < 0.00035 % (RCA)
- Frequency response: 20 Hz to 50 kHz
- Recommended headphone impedance: 8 to 150 O (unbalanced output) / 8 to 350 O (balanced output)
- High-visibility LCD screen
- Customizable RGB lighting with sampling rate indication
- Aluminum alloy chassis
- Dimensions: 147 x 133 x 32,3 mm
- Weight: approximately 407 g
Select your criteria
General information |
Product name |
FiiO K11 Silver |
Brand |
FiiO | |
Model |
FIIKA11SR | |
Specifications |
USB |
Yes |
D/A converter |
32 bits / 384 kHz | |
Headphone amplifier |
Yes | |
Autonomous |
Yes | |
Connectivity |
Audio input |
USB Type C Female |
Audio outputs |
Headphone (3.5mm Jack Female) | |
Physical characteristics |
Width |
44.5 mm |
Height |
9.7 mm | |
Depth |
10.5 mm | |
Weight |
8.5 g | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
See all FiiO products
See FiiO DAC section
Product referenced on 23 Jun 2026
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