FiiO K13 R2R - DAC de mesa e fone de ouvido Amp Manual do usuário

1. Introdução

The FiiO K13 R2R is a high-fidelity desktop Digital-to-Analog Converter (DAC) and Headphone Amplifier designed to deliver exceptional audio performance. It features a proprietary 24-bit R2R DAC, powerful output capabilities, versatile connectivity, and advanced sound customization options. This manual provides essential information for setting up, operating, and maintaining your FiiO K13 R2R.

Figure 1: FiiO K13 R2R Desktop DAC & Headphone Amp (Preto)

Key features include a fully differential 24Bit R2R DAC, NOS/OS dual modes for flexible listening, versatile desktop DAC and preamp/fone de ouvido amp functionality, 10-band high-precision PEQ with auto EQ, and LDAC Bluetooth 5.4 wireless HiFi support.

2. O que está na caixa

Please check the contents of your FiiO K13 R2R package:

• Guia de início rápido
• AC power cord*1
• Infrared remote control*1
• Cabo de dados USB * 1
• Headphone adapter*1

Figure 2: Package contents of the FiiO K13 R2R.

3. Produto acabadoview

Painel frontal

The front panel of the FiiO K13 R2R features essential controls and output ports for easy access and operation.

Figura 3: Frente view of the FiiO K13 R2R, showing the display, headphone outputs, and control knobs.

• Menu/Input Knob: Rotate to navigate menus or adjust settings. Press to confirm selection or switch input sources.
• Tela de exibição: Mostra a entrada atual, sampling rate, volume level, and menu options.
• 6.35mm Single-Ended Headphone Output: Conector padrão para fones de ouvido.
• Saída balanceada para fones de ouvido de 4.4 mm: Balanced headphone jack for enhanced audio performance.
• Botão de volume: Rotate to adjust the output volume.

Painel traseiro

The rear panel provides a comprehensive array of input and output connections for integration into various audio systems.

Figura 4: Traseira view of the FiiO K13 R2R, detailing the various input and output ports.

• Balanced XLR Output (L/R): For connecting to balanced amplificadores ou alto-falantes ativos.
• Saída de linha RCA (E/D): For connecting to unbalanced amplificadores ou alto-falantes ativos.
• Entrada Coaxial: Entrada de áudio digital.
• Entrada óptica: Entrada de áudio digital.
• USB IN (Type-C): Para conectar a um computador ou outras fontes de áudio USB.
• Entrada CC (12V): External DC power input option.
• AC Power Input (100-240V): Conexão principal de energia.
• Antena Bluetooth: Para recepção Bluetooth sem fio.

Internal Architecture Highlights

The FiiO K13 R2R incorporates advanced internal components for superior audio fidelity.

Figure 5: Diagram illustrating the fully differential 24Bit R2R DAC resistor arrays.

• Fully Differential 24Bit R2R DAC: Composed of 192 ultra-precise 0.1% thin-film resistors for a unique analog-like timbre.
• Specially-designed DC/AC Dual Power Supplies: Built-in 30W switching power supply with alloy nickel-plated shielding, plus an external DC power input option for cleaner power.
• ELNA RA3 Audiophile-grade Electrolytic Capacitors: Ensures a pure, stable power supply for warm and natural sound.
• Fully Balanced Audio AmpCircuito modificador: Utilizes fully differential signal processing for excellent interference rejection, minimal distortion, and high dynamic range.

4. Configuração

Conexão de energia

1. Connect the provided AC power cord to the AC Power Input on the rear panel of the K13 R2R.
2. Plug the other end of the AC power cord into a suitable wall outlet.
3. Alternatively, for an external DC power supply, connect a 12V-2.5A (or greater) supply with a 5.5*2.1mm connector to the DC IN port.

Conexões de áudio

Choose the appropriate connection method based on your audio source and output devices.

• Conexão USB: Connect your computer or other USB audio source to the USB IN (Type-C) port using the provided USB data cable.
• Conexão óptica/coaxial: Connect your digital audio source (e.g., CD player, TV) to the Optical Input or Coaxial Input ports.
• Saída de fone de ouvido: Connect your headphones to either the 6.35mm Single-Ended or 4.4mm Balanced Headphone Output on the front panel. Use the provided adapter if necessary.
• Saída de linha: Connect the Balanced XLR Output or RCA Line Out to your ampamplificador ou alto-falantes ativos.

Emparelhamento Bluetooth

The FiiO K13 R2R supports high-resolution Bluetooth 5.4 streaming.

1. Certifique-se de que a antena Bluetooth esteja firmemente fixada ao painel traseiro.
2. Power on the FiiO K13 R2R.
3. Press the Menu/Input knob to cycle through input modes until 'BT' (Bluetooth) is selected on the display.
4. On your mobile device or Bluetooth player, enable Bluetooth and search for available devices.
5. Select 'FiiO K13 R2R' from the list to pair. Once connected, the display will indicate a successful Bluetooth connection.

5. Instruções de operação

Operação básica

• Ligar/desligar: Press the power button (usually integrated with the Menu/Input knob or a dedicated button) to turn the device on or off.
• Controle de volume: Rotate the Volume Knob on the front panel to adjust the output volume for headphones or line outputs.
• Seleção de entrada: Press the Menu/Input knob to cycle through available input sources (USB, Optical, Coaxial, Bluetooth). The selected input will be shown on the display.

NOS/OS Dual Modes

The K13 R2R offers two distinct operating modes for audio processing:

Figure 6: Illustration of NOS (Non-Oversampling) e OS (Oversampling) modes.

• NOS (Não-Overs)ampModo ling: Preserves the original sampling rate for a pure, natural, and organic sound.
• SO (SobreampModo ling: Upsamples audio to 384kHz for improved audio metrics, delivering finer and clearer sound.
• To switch between modes, navigate through the device's menu using the Menu/Input knob.

10-Band High-Precision PEQ

Customize your sound with the integrated 10-band Parametric Equalizer (PEQ).

Figura 7: Example of the 10-band high-precision PEQ interface.

• The PEQ can be accessed and customized via the FiiO Control app or a web interface.
• Adjust 10 frequency bands to tailor the sound to your preference or correct headphone response.
• Access presets like vintage PEQ or share EQ profiles.

6. Manutenção

• Limpeza: Use um pano macio e seco para limpar a parte externa do dispositivo. Evite usar produtos de limpeza líquidos ou solventes.
• Armazenar: Guarde o dispositivo em local fresco e seco, longe da luz solar direta e de temperaturas extremas.
• Manuseio: Manuseie o dispositivo com cuidado para evitar danos causados ​​por quedas ou impactos.

7. Solução De Problemas

• Sem saída de som:
  • Check all cable connections (power, input, output) are secure.
  • Ensure the correct input source is selected on the K13 R2R.
  • Verifique se o nível de volume não está no mínimo ou silenciado.
  • Faça testes com diferentes fones de ouvido ou alto-falantes para isolar o problema.
• Problemas de conexão Bluetooth:
  • Ensure the K13 R2R is in Bluetooth pairing mode.
  • Move your mobile device closer to the K13 R2R to improve signal strength.
  • Esqueça o dispositivo nas configurações de Bluetooth do seu dispositivo móvel e tente emparelhá-lo novamente.
• Áudio distorcido:
  • Verifique a qualidade da fonte de áudio.
  • Ensure the volume is not set too high, causing clipping.
  • Verify that the correct sampling rate is being used.

8. Especificações

9. Garantia e Suporte

For warranty information, technical support, and further assistance, please refer to the official FiiO webou entre em contato diretamente com o serviço de atendimento ao cliente. Guarde o comprovante de compra para eventuais solicitações de garantia.

FiiO oficial Website: www.fiio.com