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FiiO K13 R2R Silver
Headphone amplifier, passive R2R DAC, USB DAC, Hi-Fi preamp with Bluetooth 5.4, RCA, XLR, 4.4 mm and 6.35 mm headphones
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For a natural, rich and immersive audiophile experience
Designed for demanding high-fidelity enthusiasts, the FiiO K13 R2R combines a fully differential R2R digital-to-analog converter with a powerful balanced headphone amplifier to deliver a particularly natural, rich and immersive sound reproduction. Its proprietary architecture relies on a network of 192 high-precision thin-film resistors, ensuring a faithful and musical 24-bit conversion. Thanks to its NOS (Non-Oversampling) and OS (Oversampling) modes, the K13 R2R lets you tailor the sound according to the user's preferences: authenticity and analog warmth or greater precision and enhanced definition. Versatile, it supports USB, optical, coaxial, and high-resolution Bluetooth LDAC sources, while offering high output power capable of driving both sensitive in-ear monitors and high-impedance audiophile headphones.
The pleasure of an even purer listening experience
The FiiO K13 R2R stands out for its fully balanced audio design, effectively reducing background noise and distortion for a purer listening experience. Its amplification delivers up to 2 x 2400 mW at 32 ohms via the 4.4 mm balanced headphone output, ensuring excellent control over the most demanding headphones. Its Bluetooth 5.4 compatible with LDAC makes high-quality wireless audio streaming easy, while its 10-band parametric equalizer allows you to precisely adjust the sound signature to suit individual tastes. The RCA line outputs and XLR also turn the K13 R2R into the true nerve center of a modern Hi-Fi setup, capable of driving amplifiers and active speakers with remarkable versatility.
Main features:
- FiiO proprietary fully differential 24-bit R2R DAC
- 4-channel architecture using 192 precision resistors
- NOS (Non-Oversampling) and OS (Oversampling) operating modes
- Native DSD decoding
- XMOS XU316 USB interface
- ESP32-S3 microcontroller
- Balanced headphone amplification
- Dual OPA1642 + TPA6120A amplification
- Balanced headphone power: 2 x 2400 mW at 32 O / 2 x 600 mW at 300 O
- Unbalanced headphone power: 2 x 1220 mW at 32 O / 2 x 150 mW at 300 O
- Frequency response: 20 Hz to 80 kHz
- Signal-to-noise ratio: ≥ 116 dB
- Total harmonic distortion (THD+N): ≈ 0.0173 %
- Output impedance: < 0.7 O (unbalanced) / < 1 O (balanced)
- Bluetooth 5.4 with supported Bluetooth codecs: LDAC, AAC, SBC
- 10-band parametric equalizer
- Inputs: USB-C, side USB-C, Toslink optical, coaxial, Bluetooth
- Outputs: 6.35 mm headphone jack, 4.4 mm balanced headphone, stereo RCA line out, XLR balanced line out
- Supported audio resolutions: USB: PCM up to 32-bit / 384 kHz, DSD256 - Coaxial: PCM up to 24-bit / 192 kHz, DSD64 - Optical: PCM up to 24-bit / 192 kHz
- Built-in LCD screen
- Remote control included
- Dimensions: 210 x 188 x 42 mm
- Weight: 980 g
- Color: Black
- K13 R2R
- Infrared remote control
- Mains power cord
- Quick start guide
- Warranty card
- Headphone adapter
- USB cable
Select your criteria
General information |
Product name |
FiiO K13 R2R Silver |
Brand |
FiiO | |
Model |
FIIK13R2RSR | |
Technical specifications |
Amplifier type |
Integrated amplifier |
| Converter | ||
| Preamp | ||
Tube amplification |
No | |
Number of amplification channels |
2 | |
Signal-to-noise ratio |
115 dB | |
Bandwidth (Min frequency) |
20 Hz | |
Bandwidth (Max frequency) |
20 kHz | |
Harmonic distortion |
0.0173 Percent | |
D/A converter |
32 bits / 384 kHz | |
Connectivity |
Front panel connectors |
Headphone (6.35mm Jack) |
Audio input |
1 X Coaxial S/PDIF digital audio | |
| 2 X Digital audio S/PDIF Optical | ||
| Bluetooth | ||
Audio outputs |
1 X PRE OUT (2x RCA Female) | |
| 1 X Headphone (6.35mm Jack) | ||
| 1 X XLR | ||
Connectivity |
Bluetooth |
Yes |
Wi-Fi |
No | |
DLNA certification |
No | |
Physical characteristics |
Color |
Silver |
Remote control |
Yes | |
Width |
210 mm | |
Height |
42 mm | |
Depth |
188 mm | |
Weight |
980 g | |
Power supply |
Standby consumption |
0.5 W |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
See all FiiO products
Product referenced on 23 Jun 2026
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