FiiO K5 Pro Desktop DAC og hovedtelefoner Amplivligere brugervejledning

1. Introduktion

The FiiO K5 Pro is a high-performance desktop Digital-to-Analog Converter (DAC) and headphone amplifier designed to elevate your audio experience. It features advanced decoding capabilities and a robust amplifikation stage, making it suitable for a wide range of headphones and audio setups. This manual provides detailed instructions for setting up, operating, and maintaining your K5 Pro.

Figure 1: FiiO K5 Pro Desktop DAC and Headphone Amplivligere

2. Produktfunktioner

• High-Performance DAC & USB Decoding: Equipped with an ES9038PRO DAC chip for 32-bit processing and an XUF208 USB decoding chip, supporting up to 768kHz and DSD512 inputs.
• Alsidige indgange: Supports Coaxial, Optical, and RCA line-in inputs. Optical and Coaxial inputs support up to 192kHz.
• Flere udgange: Features a 6.35mm (1/4 inch) headphone output and RCA line-out outputs. The RCA line-out signal is adjustable up to 2Vrms, allowing connection to active speakers or external amplivførere.
• Powerful Headphone Ampliifikation: Delivers up to 1.5W of total power output into a 32Ω load, and up to 20Vpp at 300Ω, capable of driving both low and high impedance headphones.
• Præcis lydstyrkekontrol: ADC volume adjustment ensures smooth, fine-increment volume changes without undesirable noise or channel imbalances, accommodating various headphone sensitivities.

3. Opsætningsvejledning

3.1 Udpakning og placering

Carefully remove the FiiO K5 Pro from its packaging. Place the unit on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the device.

3.2 Tilslutning af strøm

1. Connect the provided power adapter to the 'POWER IN DC 15V' port on the rear panel of the K5 Pro.
2. Sæt strømadapteren i en passende stikkontakt.

3.3 Indgangsforbindelser

The K5 Pro offers multiple input options:

• USB IN: Connect your computer or compatible device using a USB cable to the 'USB IN' port for high-resolution audio playback.
• COAXIAL IN: Use a coaxial cable to connect to digital audio sources.
• OPTISK IN: Use an optical (TOSLINK) cable to connect to digital audio sources.
• LINE IN (RCA): Connect analog audio sources using RCA cables to the 'LINE IN' ports.

Figur 2: Bagpanel, der viser forskellige input- og output-tilslutninger.

3.4 Udgangsforbindelser

• Headphone Out (6.35mm): Plug your headphones into the 6.35mm jack on the front panel. A 3.5mm adapter may be used for headphones with smaller plugs.
• LINE OUTPUT (RCA): Connect to active speakers or another amplifier ved hjælp af RCA-kabler.

4. Betjeningsvejledning

4.1 Tænd/sluk og lydstyrkekontrol

The large knob on the front panel serves as both the power switch and volume control. Rotate the knob clockwise until it clicks to power on the device. Continue rotating clockwise to increase volume, and counter-clockwise to decrease volume. Rotate counter-clockwise until it clicks to power off.

4.2 Indgangsvalg

Use the 'INPUT' toggle switch on the front panel to select your desired audio source. The switch positions correspond to different inputs:

• 'U' (USB): For USB input.
• 'L' (Line In): For RCA Line In.
• 'S' (SPDIF): For Coaxial and Optical inputs.

4.3 Valg af forstærkning

The 'GAIN' toggle switch allows you to adjust the amplification level to match your headphones' impedance and sensitivity. There are three gain levels:

• Lav gevinst
• Middel forstærkning
• Høj gevinst

Select a lower gain for sensitive headphones and a higher gain for demanding, high-impedance headphones.

Figure 3: Front panel showing volume knob, input, and gain switches.

4.4 RGB Light Indicator

The RGB light around the volume knob indicates the current sample rate of the audio being played:

• Blå: 48kHz and below
• Grøn: Over 48kHz
• Rød: DSD format

5. Vedligeholdelse

To ensure the longevity and optimal performance of your FiiO K5 Pro, follow these maintenance guidelines:

• Hold enheden ren ved at tørre den af ​​med en blød, tør klud. Undgå at bruge skrappe kemikalier eller slibende materialer.
• Udsæt ikke enheden for ekstreme temperaturer, fugtighed eller direkte sollys.
• Sørg for korrekt ventilation for at forhindre overophedning.
• Undgå at tabe eller udsætte enheden for kraftige stød.

6. Fejlfinding

If you encounter issues with your FiiO K5 Pro, refer to the following common troubleshooting steps:

• Ingen lyd:
  • Check all cable connections (power, input, headphones/speakers).
  • Ensure the K5 Pro is powered on and the volume is not at minimum.
  • Verify the correct input source is selected using the 'INPUT' switch.
  • Confirm that your computer's audio output is set to the FiiO K5 Pro.
• Forvrænget lyd:
  • Reduce the volume on both the K5 Pro and your source device.
  • Adjust the 'GAIN' switch to a lower setting if your headphones are very sensitive.
  • Sørg for lydkilden file ikke er beskadiget eller af lav kvalitet.
• Intermitterende lyd:
  • Tjek for løse kabelforbindelser.
  • Try a different input cable or port.
  • Ensure no other devices are interfering with the signal (e.g., electromagnetic interference).

If problems persist, consult the FiiO official support resources or contact customer service.

7. Specifikationer

8. Garanti og support

The FiiO K5 Pro comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official FiiO website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact FiiO customer support through their official channels.

Always ensure you are using official FiiO accessories and following recommended guidelines to maintain warranty validity.