Το FiiO K13 R2R ειναι 24bit/192kHz dac και ενισχυτης ακουστικων. Εισοδοι: 1x Coaxial, 1x Optical, 1x USB-C, Bluetooth. Εξοδοι: 2x RCA Line, 1x XLR Line, 1x 6.3mm headphones out και 1x 3.5mm headphones out.

Εγγυηση Αντιπροσωπειας. Δυνατοτητα δοσεων.

The FiiO K13 R2R is a cutting-edge desktop DAC and headphone amplifier designed for audiophiles who demand uncompromised sound quality. Featuring a fully differential true 24-Bit R2R DAC resistor array, this powerful device delivers a natural, analog-like sound with exceptional detail and warmth. The K13 R2R combines state-of-the-art technology with minimalist design, offering an immersive listening experience for both IEMs and full-size headphones.

Equipped with Bluetooth 5.4 with LDAC, AAC, and SBC support, the FiiO K13 R2R ensures you can enjoy wireless Hi-Res audio without sacrificing clarity or depth. With a balanced output power of 2400mW + 2400mW at 32Ω, this DAC/AMP effortlessly drives demanding headphones, revealing every micro-detail in your music. The three gain levels with independent volume curves make it versatile for all headphone types, from sensitive IEMs to high-impedance audiophile cans.

The custom LCD display provides instant access to critical information such as sampling rate, volume, gain, and output mode. Designed with a thickened aluminum alloy chassis and skylight window, the K13 R2R is not only robust but also visually stunning, showcasing its premium circuitry.

Advanced features include adjustable RGB lighting, a 1-99 minute timer shutdown, and infrared remote control, making it both powerful and user-friendly. Built with ELNA RA3 audiophile-grade capacitors, the unit guarantees stable and clean power delivery, ensuring a warm yet highly detailed audio signature.

With dual Type-C inputs, multiple digital connections (USB, coaxial, optical), and compatibility with the FiiO Control App, the FiiO K13 R2R is the ultimate desktop DAC/AMP for music lovers seeking uncompromised performance and technological elegance.

Specifications

• General Specifications
  • Name/Model: K13 R2R
  • Hardware solution: SoC ESP32-S3, DAC: FIIO-developed R2R DAC, USB decoding: XU316, AMP: OPA1642×2 + TPA6120A×2
  • Working mode: USB DAC mode / Coaxial decoding mode / Optical decoding mode / Bluetooth receiving mode
  • Color: Black / Silver
  • Weight: about 980 g
  • Dimensions: about 210 × 188 × 42 mm (including feet)
  • Gain: L / M / H
  • Remote control: supports IR remote control (only the one included in the accessory)
  • Volume control: Knob / Remote control
  • FiiO Control: supported
  • Driver-free mode (switch mode): supported
  • Bluetooth receiving: Bluetooth 5.4, codecs SBC / AAC / LDAC
  • Oversampling setting: OS / NOS
  • PEQ: supported
  • MQA: supports MQA full decoding
  • Knob indicator light / Top ambient light: supports customizing brightness and color, supports always-on indication or RGB pulsing
  • Display: 1.1-inch LCD screen
  • Status indication on display: sampling rate, volume, gain, output mode, etc.
  • Max. supported sampling rate (PEQ = OFF):
    • USB decoding: up to 384 kHz / 32-bit; DSD256
    • Coaxial decoding: up to 192 kHz / 24-bit; DSD64
    • Optical decoding: up to 192 kHz / 24-bit
  • Firmware upgrade:
    • MCU firmware: upgrade through the side USB-C port
    • XMOS firmware: upgrade through the side or rear USB-C port
    • Bluetooth firmware: upgrade through the FiiO Control app
  • Adaptive impedance:
    • PO: 8–350 Ω
    • BAL: 8–350 Ω
• Buttons and Ports
  • Knobs:
    • Volume knob with button ×1
    • Menu knob with button ×1
  • USB ports: Type-C USB ×2 (data transmission ports)
  • Digital coaxial input port: RCA plug
  • Digital optical input port: Optical (TOSLINK) port
  • Balanced headphone output port: standard 4.4 mm port
  • Headphone output port: standard 6.35 mm port
  • Balanced line output port: XLR3 balanced port
  • Single-ended line output ports: RCA ×2
  • Toggle switch: power toggle switch
• Power Supply Parameters
  • Power supply:
    • AC: 100–240 V ~ 50/60 Hz
    • DC: 12 V / ≥2.5 A (either-or)
  • Battery capacity: no battery
• Audio Parameters – Headphone Output 6.35 mm (USB DAC / Coaxial / Optical, High gain, OS mode)
  • Output power 1: L+R ≥ 1200 mW + 1200 mW (16 Ω, THD+N < 1%, 4.4 Vrms)
  • Output power 2: L+R ≥ 1220 mW + 1220 mW (32 Ω, THD+N < 1%, 6.2 Vrms)
  • Output power 3: L+R ≥ 150 mW + 150 mW (300 Ω, THD+N < 1%, 6.7 Vrms)
  • Output impedance: < 0.4 Ω (32 Ω)
  • Crosstalk: ≥ 77 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0173% (1 kHz / -6 dB @ 32 Ω)
  • Noise floor: < 9.4 μV (A-weighted)
  • SNR: ≥ 117 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 108 dB
  • Peak output voltage: > 19 Vp-p
• Audio Parameters – Headphone Output 6.35 mm (USB DAC / Coaxial / Optical, Medium gain, OS mode)
  • Output power 1: L+R ≥ 660 mW + 660 mW (16 Ω, THD+N < 1%, 3.3 Vrms)
  • Output power 2: L+R ≥ 340 mW + 340 mW (32 Ω, THD+N < 1%, 3.3 Vrms)
  • Output power 3: L+R ≥ 35 mW + 35 mW (300 Ω, THD+N < 1%, 3.3 Vrms)
  • Output impedance: < 0.4 Ω (32 Ω)
  • Crosstalk: ≥ 77 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0173% (1 kHz / -6 dB @ 32 Ω)
  • Noise floor: < 5.0 μV (A-weighted)
  • SNR: ≥ 117 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 108 dB
  • Peak output voltage: > 9 Vp-p
• Audio Parameters – Headphone Output 6.35 mm (USB DAC / Coaxial / Optical, Low gain, OS mode)
  • Output power 1: L+R ≥ 165 mW + 165 mW (16 Ω, THD+N < 1%, 1.6 Vrms)
  • Output power 2: L+R ≥ 85 mW + 85 mW (32 Ω, THD+N < 1%, 1.6 Vrms)
  • Output power 3: L+R ≥ 10 mW + 10 mW (300 Ω, THD+N < 1%, 1.6 Vrms)
  • Output impedance: < 0.4 Ω (32 Ω)
  • Crosstalk: ≥ 77 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0179% (1 kHz / 0 dB @ 32 Ω)
  • Noise floor: < 4.0 μV (A-weighted)
  • SNR: ≥ 113 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 106 dB
  • Peak output voltage: > 5 Vp-p
• Audio Parameters – Single-ended Line Output (RCA out, USB DAC / Coaxial / Optical, OS mode)
  • THD+N: about 0.0192% (1 kHz / -6 dB @ 10 kΩ)
  • SNR: ≥ 116 dB (A-weighted)
  • Crosstalk: ≥ 104 dB
  • Noise floor: < 4.3 μV (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 108 dB
  • Line output level: 2.6 Vrms (1 kHz @ 10 kΩ)
• Audio Parameters – Balanced Headphone Output 4.4 mm (USB DAC / Coaxial / Optical, High gain, OS mode)
  • Output power 1: L+R ≥ 1200 mW + 1200 mW (16 Ω, THD+N < 1%, 4.4 Vrms)
  • Output power 2: L+R ≥ 2400 mW + 2400 mW (32 Ω, THD+N < 1%, 8.8 Vrms)
  • Output power 3: L+R ≥ 600 mW + 600 mW (300 Ω, THD+N < 1%, 13.5 Vrms)
  • Output impedance: < 1 Ω (32 Ω)
  • Crosstalk: ≥ 110 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0173% (1 kHz / -6 dB @ 32 Ω)
  • Noise floor: < 18 μV (A-weighted)
  • SNR: ≥ 115 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 109 dB
  • Peak output voltage: > 38 Vp-p
• Audio Parameters – Balanced Headphone Output 4.4 mm (USB DAC / Coaxial / Optical, Medium gain, OS mode)
  • Output power 1: L+R ≥ 1200 mW + 1200 mW (16 Ω, THD+N < 1%, 4.4 Vrms)
  • Output power 2: L+R ≥ 1300 mW + 1300 mW (32 Ω, THD+N < 1%, 6.5 Vrms)
  • Output power 3: L+R ≥ 145 mW + 145 mW (300 Ω, THD+N < 1%, 6.6 Vrms)
  • Output impedance: < 1 Ω (32 Ω)
  • Crosstalk: ≥ 112 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0173% (1 kHz / -6 dB @ 32 Ω)
  • Noise floor: < 8.0 μV (A-weighted)
  • SNR: ≥ 118 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 109 dB
  • Peak output voltage: > 19 Vp-p
• Audio Parameters – Balanced Headphone Output 4.4 mm (USB DAC / Coaxial / Optical, Low gain, OS mode)
  • Output power 1: L+R ≥ 610 mW + 610 mW (16 Ω, THD+N < 1%, 3.1 Vrms)
  • Output power 2: L+R ≥ 330 mW + 330 mW (32 Ω, THD+N < 1%, 3.2 Vrms)
  • Output power 3: L+R ≥ 35 mW + 35 mW (300 Ω, THD+N < 1%, 3.3 Vrms)
  • Output impedance: < 1 Ω (32 Ω)
  • Crosstalk: ≥ 110 dB (1 kHz @ 32 Ω)
  • THD+N: about 0.0183% (1 kHz / -6 dB @ 32 Ω)
  • Noise floor: < 5.1 μV (A-weighted)
  • SNR: ≥ 116 dB (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 108 dB
  • Peak output voltage: > 9.5 Vp-p
• Audio Parameters – Balanced Line Output (XLR3, USB DAC / Coaxial / Optical, OS mode)
  • THD+N: about 0.0185% (1 kHz / -6 dB @ 10 kΩ)
  • SNR: ≥ 117 dB (A-weighted)
  • Crosstalk: ≥ 113 dB
  • Noise floor: < 7.3 μV (A-weighted)
  • Frequency response:
    • 20 Hz–20 kHz: attenuation < 0.2 dB
    • 20 Hz–80 kHz: attenuation < 2.9 dB
  • Dynamic range: ≥ 109 dB
  • Line output level: 5.3 Vrms (1 kHz @ 10 kΩ)