1. Pengenalan
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 amppemberitahuan 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 Amplebih hidup
2. Ciri-ciri Produk
- 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.
- Input Serbaguna: Supports Coaxial, Optical, and RCA line-in inputs. Optical and Coaxial inputs support up to 192kHz.
- Berbilang Output: 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 amppenyelamat.
- Powerful Headphone Amppemberitahuan: 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.
- Kawalan Kelantangan Tepat: ADC volume adjustment ensures smooth, fine-increment volume changes without undesirable noise or channel imbalances, accommodating various headphone sensitivities.
3. Arahan Persediaan
3.1 Membongkar dan Meletakkan
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 Kuasa Penyambung
- Connect the provided power adapter to the 'POWER IN DC 15V' port on the rear panel of the K5 Pro.
- Palamkan penyesuai kuasa ke salur keluar dinding yang sesuai.
3.3 Sambungan Input
The K5 Pro offers multiple input options:
- USB DALAM: Connect your computer or compatible device using a USB cable to the 'USB IN' port for high-resolution audio playback.
- COAXIAL DALAM: Use a coaxial cable to connect to digital audio sources.
- OPTIKAL DI: 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.

Figure 2: Rear panel showing various input and output connections.
3.4 Sambungan Output
- 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.
- TALIAN KELUAR (RCA): Connect to active speakers or another amppenyambung menggunakan kabel RCA.
4. Arahan Operasi
4.1 Kuasa Hidup/Mati dan Kawalan Kelantangan
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 Pemilihan Input
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 Gain Selection
The 'GAIN' toggle switch allows you to adjust the amplification level to match your headphones' impedance and sensitivity. There are three gain levels:
- Keuntungan Rendah
- Keuntungan Sederhana
- Keuntungan Tinggi
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:
- Biru: 48kHz and below
- hijau: Di atas 48kHz
- merah: DSD format
Video 1: Tamatview of the FiiO K5 Pro's appearance and key features, including the RGB light indicator and various input/output options.
5. Penyelenggaraan
To ensure the longevity and optimal performance of your FiiO K5 Pro, follow these maintenance guidelines:
- Pastikan peranti bersih dengan mengelapnya dengan kain yang lembut dan kering. Elakkan menggunakan bahan kimia yang keras atau bahan yang melelas.
- Jangan dedahkan unit kepada suhu yang melampau, kelembapan atau cahaya matahari langsung.
- Pastikan pengudaraan yang betul untuk mengelakkan terlalu panas.
- Elakkan daripada menjatuhkan atau meletakkan peranti kepada kesan yang kuat.
6. Penyelesaian masalah
If you encounter issues with your FiiO K5 Pro, refer to the following common troubleshooting steps:
- Tiada Bunyi:
- 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.
- Bunyi Herot:
- 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.
- Pastikan sumber audio file is not corrupted or of low quality.
- Audio sekejap-sekejap:
- Periksa sambungan kabel yang longgar.
- 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. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Dimensi Produk | 4.72 x 1.97 x 5.12 inci |
| Berat badan | 15.38 auns |
| Cip DAC | ES9038PRO (32-bit processing) |
| USB Decoding Chip | XUF208 |
| Max USB Input Support | 768kHz/32Bit, Native DSD512 |
| Coaxial/Optical Input Support | Hingga 192kHz |
| Output Fon Kepala | 6.35mm (1/4 inci) |
| Talian RCA Keluar | Adjustable up to 2Vrms |
| Output Kuasa Maks (32Ω) | 1.5 W |
| Vol. Makstage Output (300Ω) | 20Vpp |
| Input Kuasa | DC 15V |
| Jenis Antaramuka | Coaxial, Headphone, Optical, RCA, USB |
8. Waranti dan Sokongan
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.





