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1-Year Local Warranty.

 

  • Fully differential true 24Bit R2R DAC Resistor Arrays
  • NOS/OS dual modes
  • High-quality electronic volume control NJW1195A
  • 1300mW+1300mW high output power
  • 3 gain levels, 3 volume curves
  • Specially-designed audio circuit
  • Specially-designed power supply
  • High-quality Beryl solid capacitors
  • Custom LCD screen
  • RGB logo lighting

 

1.

Fully differential

True 24bit R2R DAC Resistor Arrays

FIIO’s newly self-developed four-channel fully differential 24bit R2R DAC consists of 2x 48 precision thin-film resistor arrays per channel, totalling 192 resistors with 0.1% tolerance and low temperature drift (30ppm). This configuration delivers a unique and charming sound.

 

Comparison between fully differential and typical architectures

The K11 R2R employs a fully differential architecture, resulting in lower noise, with less FFT harmonics and a darker music background compared to typical ones.

 

2.

Dual NOS/OS modes

Double the fun

NOS (Non-Oversampling) Mode: Maintains the original sampling rate for decoding, preserving authentic sound and allowing you to enjoy an organic and captivating musical experience.

OS (Oversampling) Mode: Upsamples globally to a high sampling rate of 384kHz, for superior audio performance and even more refined, clear sound.

 

3.

True · 24bit decoding

Excellent capabilities, outstanding sound quality

Support for PCM 384kHz/24bit and DSD256 decoding, means the K11 R2R can easily handle high-precision audio signals and fully exhibit the details within, providing you with an excellent audio experience.

* DSD256 requires setting the DSD output mode to Native on the source device, internally converting to PCM before being decoded by the R2R resistor arrays.

 

4.

NJW1195A

High-quality electronic volume control

The NJW1195A is a 4-channel electronic volume controller. This resistor ladder electronic potentiometer is low distortion and low noise, allowing precise volume adjustment.

 

5.

3 gain levels

3 independent volume curves

The 3 independent gain levels and volume curves allow the K11 R2R to give you a better listening experience with various types of headphones, whether you are using sensitive earphones or harder-to-drive over-ear headphones.

H: High gain volume curve

M: Medium gain volume curve

L: Low gain volume curve

 

Parts list

K11 R2R*1

Power adapter*1

Power cable*1

USB data cable*1

Headphone adapter*1

Quick start guide*1

Warranty card*1

 

Basic specifications

Colours: Black, Silver, Red (planned for later production)

Main control chip (single-chip microcomputer): GD32F303RET6

DAC: Fully differential true 24bit R2R resistor arrays

Volume control chip: NJW1195A

USB input decoding: 384kHz/32bit, DSD256

Coaxial input decoding: 192kHz/24bit

Optical input decoding: 96kHz/24bit

USB connector: Type-C

Display: Custom LCD screen

Dimensions: 147x133x32.3mm (including feet)

Weight: About 420g

Power supply: DC12V 2A external adapter

SE power output 1: L+R460mW +460mW (32Ω, THD+N1%) (32Ω/single-ended/high gain)

SE power output 2: L+R50mW+50mW (300Ω, THD+N1%) (300Ω/Single-ended/High gain)

BAL power output 1: L+R1300mW+1300mW (32Ω, THD+N1%) (32Ω/Balanced/High gain)

BAL power output 2: L+R220mW+220mW (300Ω, THD+N1%)  (300Ω/Balanced/High gain)

Frequency response: 20Hz~50kHz: attenuation1.3dB

SNR: 115dB (A-weighted)

Noise floor: PO7.2uV (A-weighted); BAL14.1uV (A-weighted)

Output impedance: PO1Ω (32Ω load); BAL1.5Ω (32Ω load)

THD+N: LO0.02% (1kHz/10kΩ)

 

More information is available on FiiO official website.   

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