1. Sissejuhatus
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 (must)
Key features include a fully differential 24Bit R2R DAC, NOS/OS dual modes for flexible listening, versatile desktop DAC and preamp/kõrvaklapid amp functionality, 10-band high-precision PEQ with auto EQ, and LDAC Bluetooth 5.4 wireless HiFi support.
2. Mis on karbis
Please check the contents of your FiiO K13 R2R package:
- Kiirjuhend
- AC power cord*1
- Infrared remote control*1
- USB-andmekaabel*1
- Headphone adapter*1
Figure 2: Package contents of the FiiO K13 R2R.
3. Toote lõppview
Esipaneel
The front panel of the FiiO K13 R2R features essential controls and output ports for easy access and operation.
Joonis 3: Esiosa 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.
- Ekraan: Näitab praegust sisendit, sampling rate, volume level, and menu options.
- 6.35 mm üheotsaline kõrvaklappide väljund: Standardne kõrvaklapipesa.
- 4.4 mm tasakaalustatud kõrvaklappide väljund: Tasakaalustatud kõrvaklapipesa parema helikvaliteedi tagamiseks.
- Helitugevuse nupp: Väljundhelitugevuse reguleerimiseks pöörake.
Tagapaneel
The rear panel provides a comprehensive array of input and output connections for integration into various audio systems.
Joonis 4: Tagumine view of the FiiO K13 R2R, detailing the various input and output ports.
- Balanced XLR Output (L/R): For connecting to balanced amptõsteseadmed või aktiivsed kõlarid.
- RCA liiniväljund (V/P): For connecting to unbalanced amptõsteseadmed või aktiivsed kõlarid.
- Koaksiaalsisend: Digitaalne heli sisend.
- Optiline sisend: Digitaalne heli sisend.
- USB-sisend (C-tüüp): For connecting to a computer or other USB audio sources.
- Alalisvoolu sisend (12 V): External DC power input option.
- AC Power Input (100-240V): Peamine toiteühendus.
- Bluetooth-antenn: For wireless Bluetooth reception.
Sisemise arhitektuuri esiletõstmised
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 Amptõsteahel: Utilizes fully differential signal processing for excellent interference rejection, minimal distortion, and high dynamic range.
4. Seadistamine
Toiteühendus
- Connect the provided AC power cord to the AC Power Input on the rear panel of the K13 R2R.
- Ühendage vahelduvvoolu toitejuhtme teine ots sobivasse seinakontakti.
- 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.
Heliühendused
Choose the appropriate connection method based on your audio source and output devices.
- USB ühendus: Connect your computer or other USB audio source to the USB IN (Type-C) port using the provided USB data cable.
- Optiline/koaksiaalühendus: Connect your digital audio source (e.g., CD player, TV) to the Optical Input or Coaxial Input ports.
- Kõrvaklappide väljund: 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.
- Rea väljund: Connect the Balanced XLR Output or RCA Line Out to your amptõstukõlarid või aktiivsed kõlarid.
Bluetoothi sidumine
The FiiO K13 R2R supports high-resolution Bluetooth 5.4 streaming.
- Ensure the Bluetooth antenna is securely attached to the rear panel.
- Power on the FiiO K13 R2R.
- Press the Menu/Input knob to cycle through input modes until 'BT' (Bluetooth) is selected on the display.
- On your mobile device or Bluetooth player, enable Bluetooth and search for available devices.
- Select 'FiiO K13 R2R' from the list to pair. Once connected, the display will indicate a successful Bluetooth connection.
Video 1: This video demonstrates Bluetooth receiver functionality using a similar FiiO product (K9 Pro). The pairing process for the K13 R2R is similar.
5. Kasutusjuhised
Põhioperatsioon
- Toide sisse/välja: Press the power button (usually integrated with the Menu/Input knob or a dedicated button) to turn the device on or off.
- Helitugevuse juhtimine: Rotate the Volume Knob on the front panel to adjust the output volume for headphones or line outputs.
- Sisend valik: 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) and OS (Oversampling) modes.
- NOS (Non-Oversampling) Mode: Preserves the original sampling rate for a pure, natural, and organic sound.
- OS (Oversampling) Mode: 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).
Joonis 7: näitample of the 10-band high-precision PEQ interface.
- The PEQ can be accessed and customized via the FiiO Control app or a web liides.
- 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. Hooldus
- Puhastamine: Seadme välispinna puhastamiseks kasutage pehmet ja kuiva lappi. Vältige vedelate puhastusvahendite või lahustite kasutamist.
- Hoiustamine: Hoidke seadet jahedas ja kuivas kohas, eemal otsesest päikesevalgusest ja äärmuslikest temperatuuridest.
- Käitlemine: Käsitsege seadet ettevaatlikult, et vältida kukkumisest või löökidest tulenevaid kahjustusi.
7. Veaotsing
- Heliväljund puudub:
- Check all cable connections (power, input, output) are secure.
- Ensure the correct input source is selected on the K13 R2R.
- Veenduge, et helitugevus poleks vaigistatud ega miinimumile seatud.
- Test with different headphones or speakers to isolate the issue.
- Bluetooth-ühenduse probleemid:
- Ensure the K13 R2R is in Bluetooth pairing mode.
- Move your mobile device closer to the K13 R2R to improve signal strength.
- Forget the device on your mobile device's Bluetooth settings and attempt to re-pair.
- Moonutatud heli:
- Kontrollige heliallika kvaliteeti.
- Ensure the volume is not set too high, causing clipping.
- Verify that the correct sampling rate is being used.
8. Tehnilised andmed
| Funktsioon | Spetsifikatsioon |
|---|---|
| Mudeli number | K13 R2R |
| DAC tüüp | FiiO Self-Developed Fully Differential 24Bit R2R DAC |
| Väljundvõimsus | Powerful 2400mW Output |
| Bluetoothi versioon | Bluetooth 5.4 (LDAC, AAC, SBC codecs) |
| Dekodeerimise tugi | PCM 384 kHz/32 bitti, DSD256 |
| Ekvalaiser | 10-Band High-Precision PEQ |
| Väljundid | XLR Balanced Line Out, Dual RCA Outputs, 4.4mm Balanced Headphone Out, 6.35mm Single-Ended Headphone Out |
| Toiteallikas | Dual Power Supply (Built-in 30W, External DC 12V-2.5A option) |
| Kauba kaal | 3.24 naela |
| Pakendi mõõtmed | 12.24 x 9.53 x 2.52 tolli |
9. Garantii ja tugi
For warranty information, technical support, and further assistance, please refer to the official FiiO webveebisaidilt või võtke otse ühendust nende klienditeenindusega. Hoidke ostutšekk garantiinõuete esitamiseks alles.
Ametlik FiiO Websait: www.fiio.com
