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FiiO K11 R2R DAC and Headphone Amplifier 6.35mm and Balanced 4.4mm

Name: FiiO K11 R2R DAC and Headphone Amplifier 6.35mm and Balanced 4.4mm
Brand: Fiio
Price: 628.0 PLN
Availability: InStock
Rating: 5.0 (1 reviews)

628,00 PLN

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Color Silver US Silver EU Black US-in stock Black with EU adapter-in stock

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⚠️ Lunar New Year Holiday: Feb 12-23 | Orders placed during this period will ship after Feb 23 Canada, Mexico, Romania, United States: import duty of 10 USD

Specification

Colors: Black, Silver, Red (planned for later production)
Main Control Chip: GD32F303RET6
DAC: Fully differential true 24-bit 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+R ≥460mW+460mW (32Ω, THD+N <1%)
SE Power Output 2: L+R ≥50mW+50mW (300Ω, THD+N <1%)
BAL Power Output 1: L+R ≥1300mW+1300mW (32Ω, THD+N <1%)
BAL Power Output 2: L+R ≥220mW+220mW (300Ω, THD+N <1%)
Frequency Response: 20Hz~50kHz: attenuation <1.3dB
SNR: ≥115dB (A-weighted)
Noise Floor: PO <7.2uV (A-weighted); BAL <14.1uV (A-weighted)
Output Impedance: PO <10Ω (32Ω load); BAL <1.5Ω (32Ω load)
THD+N: LO <0.02% (1kHz/10kΩ)

FiiO K11 R2R DAC and Headphone Amplifier

Description

The FiiO K11 R2R is a high-performance desktop DAC and headphone amplifier designed for home audio or PC use. Featuring a fully differential true 24-bit R2R DAC resistor array, NOS/OS dual modes, and high output power, the K11 R2R offers an exceptional audio experience with support for PCM 384kHz/24bit and DSD256 decoding.

Features

Fully Differential True 24-bit R2R DAC Resistor Arrays: The K11 R2R uses FiiO's self-developed four-channel fully differential 24-bit R2R DAC, consisting of 192 precision thin-film resistors with 0.1% tolerance and low temperature drift (30ppm), providing a unique and charming sound.
Dual NOS/OS Modes: NOS (Non-Oversampling) mode preserves the original sampling rate for an authentic sound, while OS (Oversampling) mode upscales to 384kHz for superior audio performance.
High-Quality Electronic Volume Control: The NJW1195A is a 4-channel electronic volume controller that offers low distortion, low noise, and precise volume adjustment.
3 Gain Levels + 3 Independent Volume Curves: These features allow the K11 R2R to provide an optimal listening experience with various types of headphones, whether sensitive earphones or harder-to-drive over-ear headphones.
Specially-Designed Audio Circuit: The audio signal is processed through a digital audio bridge and FPGA before being decoded by the R2R DAC. It then passes through op-amps for low-pass filtering, precise volume control, and phase inversion, resulting in high-quality output signals.
Specially-Designed Power Supply: The K11 R2R uses 17 low-noise LDO precision regulator ICs and 2 DC-DC converters for a multi-channel specialized power supply, ensuring purity and stability in power output.
High-Quality Beryl Solid Capacitors: These capacitors offer ultra-low ESR and excellent anti-interference capabilities, providing a stable and clean power supply for high-quality sound.
Powerful Output: With an output power of 1300mW+1300mW under balanced mode, the K11 R2R can easily drive a wide range of HiFi earphones and headphones.
Custom LCD Screen: A high-contrast and durable LCD screen allows you to easily see the sampling rate, volume, gain, or output mode with just a glance.
Multi-Function Volume Knob: The knob controls power, menu operations, volume adjustment, and mode switching, offering easy control over various functions.
Adjustable RGB Logo Lighting: The FiiO logo is illuminated with RGB lighting that can indicate the current sampling rate and can be customized for brightness, color, and light patterns.

Basic Specifications

Colors: Black, Silver, Red (planned for later production)
Main Control Chip: GD32F303RET6
DAC: Fully differential true 24-bit 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+R ≥460mW+460mW (32Ω, THD+N <1%)
SE Power Output 2: L+R ≥50mW+50mW (300Ω, THD+N <1%)
BAL Power Output 1: L+R ≥1300mW+1300mW (32Ω, THD+N <1%)
BAL Power Output 2: L+R ≥220mW+220mW (300Ω, THD+N <1%)
Frequency Response: 20Hz~50kHz: attenuation <1.3dB
SNR: ≥115dB (A-weighted)
Noise Floor: PO <7.2uV (A-weighted); BAL <14.1uV (A-weighted)
Output Impedance: PO <10Ω (32Ω load); BAL <1.5Ω (32Ω load)
THD+N: LO <0.02% (1kHz/10kΩ)

Parts List

① K11 R2R: 1 unit
② Power Adapter: 1 unit
③ Power Cable: 1 unit
④ USB Data Cable: 1 unit
⑤ Headphone Adapter: 1 unit
⑥ Quick Start Guide: 1 unit
⑦ Warranty Card: 1 unit

What's in the Box?

① K11 R2R: 1 unit
② Power Adapter: 1 unit
③ Power Cable: 1 unit
④ USB Data Cable: 1 unit
⑤ Headphone Adapter: 1 unit
⑥ Quick Start Guide: 1 unit
⑦ Warranty Card: 1 unit

Shipping & Returns

Free Standard full searchable Shipping
DDP(Delivered Duty Paid) Services, No payment on receiption
Free 7-Day Return Policy!

Opłaty za wysyłkę

Bezpłatna wysyłka na cały świat na Hificat , poczekaj 1-3 dni roboczych na przeprowadzenie kontroli jakości w celu zapewnienia jakości produktów.

W przypadku odmowy przyjęcia przesyłki przez odbiorcę, jej doręczenia lub zwrotu do nadawcy, Hificat dokona zwrotu kosztów zgodnie z pierwotną metodą płatności.

Jeśli klient chce ponownie wysłać zamówienie, zostanie obciążony opłatą za ponowną wysyłkę. Klienci mogą również podlegać opłacie za uzupełnienie zapasów w wysokości do 20 procent kosztu produktu.

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Z jakich kurierów korzystać?

Hificat ma rozległe globalne doświadczenie logistyczne, aby zapewnić konsumentom wysokiej jakości usługi logistyczne.

HiFiCat oferuje konsumentom różną wysyłkę, w zależności od kraju, wybór różnych metod wysyłki.

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przewidywany czas dostarczenia

1. Francja, Niemcy, Wielka Brytania, Włochy, Hiszpania, USA.

Wszystkie podatki i cła są opłacane z góry przez HiFiCat na rzecz przewoźnika przed wysyłką, więc nie ma żadnych podatków ani ceł do zapłaty przy odbiorze. 6-10 dni na przyjazd.

Przykład śledzenia

Francja: https://t.17track.net/en#nums=YT2132021222003141

Niemcy: https://t.17track.net/en#nums=YT2133621222016083

Wielka Brytania: https://www.17track.net/?nums=GV779664269GB

Włochy: https://t.17track.net/en#nums=YT2133021222011717

Hiszpania: https://t.17track.net/en#nums=YT2129521222003430

Stany Zjednoczone: https://t.17track.net/en#nums=SUA211205BIUQ1000007

2. Kraj ue: Filand, polska, Estonia, norwegia, szwajcaria, grecja, szwecja, izrael, czechy, słowenia, słowacja, dania, holandia, łotwa, chorwacja, Austria, węgry, belgia, bułgaria, rumunia, irlandia, Malta, Islandia, Serbia i tak dalej.

Wszystkie podatki i cła są opłacane z góry przez HiFiCat na rzecz przewoźnika przed wysyłką, więc nie ma żadnych podatków ani ceł do zapłaty przy odbiorze. 10-15 dni na przyjazd.

Filand: https://www.17track.net/?nums=UG324191515YP

Polska: https://www.17track.net/?nums=UG335827360YP

Estonia: https://www.17track.net/?nums=UG363043181YP

Norwegia: https://www.17track.net/?nums=VR457380806YP

Szwajcaria: https://www.17track.net/?nums=UG359525911YP

Grecja: https://www.17track.net/?nums=UG250851788YP

Szwecja: https://www.17track.net/?nums=UG353458343YP

Izrael: https://www.17track.net/?nums=UG356134837YP

Czechy: https://www.17track.net/?nums=UG320437102YP

Słowenia: https://www.17track.net/?nums=UG349882511YP

Słowacja: https://www.17track.net/?nums=UG349946557YP

Dania: https://www.17track.net/?nums=UG272480001YP