1. Introducere
The HIFIMAN EF500 is a versatile desktop balanced headphone DAC and amplifier designed for high-fidelity audio reproduction. It features the advanced HYMALAYA R2R LE DAC, offering low distortion and noise, and supports various input and output options, including streaming media capabilities. This manual provides essential information for setting up, operating, and maintaining your EF500 unit.
2. Informații de siguranță
Please read and understand the following safety precautions before operating the HIFIMAN EF500:
- Nu expuneți unitatea la apă sau umiditate excesivă.
- Evitați amplasarea unității în apropierea surselor de căldură sau în lumina directă a soarelui.
- Asigurați o ventilație adecvată pentru a preveni supraîncălzirea.
- Utilizați numai cablul de alimentare furnizat.
- Nu încercați să dezasamblați sau să reparați unitatea singur. Apelați la personal calificat pentru toate lucrările de service.
- A nu se lăsa la îndemâna copiilor.
3. Conținutul pachetului
Verificați dacă toate articolele sunt prezente în cutie:
- HIFIMAN EF500 Unit
- Cablu de alimentare
- Manual de utilizare (acest document)
4. Produs terminatview
The HIFIMAN EF500 serves as both a DAC and a headphone amplifier, designed to be a central component of your home audio setup. Its vertical design also functions as a headphone stand.
4.1 Panoul frontal
The front panel provides access to primary controls and headphone outputs.

Figura 1: Față view of the HIFIMAN EF500 unit, showcasing its sleek design and front-facing controls.

Figure 2: Detailed diagram illustrating the controls and ports on both the front and rear panels of the EF500.
- 4-level Function Switch: Selects between High Gain NOS, High Gain OS, Low Gain OS, and Low Gain NOS modes.
- Controlul volumului: Reglează volumul de ieșire.
- 6.35mm Single-ended Headphone Output: Mufă standard pentru căști.
- XLR 4-Pin Balanced Headphone Output: Pentru conexiuni echilibrate pentru căști.
4.2 Panoul din spate
The rear panel houses various input and output connections for source devices and external ampliificatori.

Figura 3: Spate view of the HIFIMAN EF500, showing all available input and output ports.
- XLR Balanced Output (R/L): Balanced line outputs for connecting to external ampliificatoare sau difuzoare active.
- RCA Single-ended Output (R/L): Unbalanced line outputs for connecting to external ampliificatoare sau difuzoare active.
- Conector de rețea: Ethernet port for multimedia streaming.
- Intrare de tip C: USB Type-C input for digital audio.
- Intrare coaxială: Intrare audio digitala coaxiala.
- Intrare USB-B: Standard USB-B input for digital audio from a computer.
- Coaxial/NET+USB Function Switch: Selects between coaxial, network, or USB input sources.
- Întrerupător: Pornește sau oprește unitatea.
- Stecher: Pentru conectarea cablului de alimentare.
5. Configurare
5.1 Plasarea
The HIFIMAN EF500 is designed to function as a 2-in-1 headphone stand and amplifier. Place it on a stable, flat surface with adequate ventilation. Ensure no objects obstruct the vents on the unit.

Figure 4: The EF500 unit serving as a headphone stand, demonstrating its dual functionality.
5.2 Conexiune la alimentare
- Connect the supplied power cable to the Power Connector on the rear panel of the EF500.
- Conectați celălalt capăt al cablului de alimentare la o priză de curent alternativ adecvată.
5.3 Conectarea surselor audio
The EF500 supports multiple digital audio inputs:
- Intrare USB-B: Connect your computer or other USB audio source using a USB-B to USB-A cable.
- Intrare de tip C: Connect compatible devices using a USB Type-C cable.
- Intrare coaxială: Connect digital audio sources (e.g., CD player, media streamer) using a coaxial digital cable.
- Conector de rețea: Connect an Ethernet cable from your router for streaming media.
5.4 Connecting Headphones or External Ampliificatori
- Căști: For direct listening, connect your headphones to either the 6.35mm Single-ended Headphone Output or the XLR 4-Pin Balanced Headphone Output on the front panel.
- Extern Amplifiers/Active Speakers: For connecting to a separate power amplifier or active speakers, use the XLR Balanced Output (R/L) or RCA Single-ended Output (R/L) on the rear panel.
6. Operare
6.1 Pornire/Oprire
To power on the EF500, toggle the Power Switch on the rear panel to the 'ON' position. To power off, toggle it to the 'OFF' position.
6.2 Selectarea intrării
Utilizați Coaxial/NET+USB Function Switch on the rear panel to select your desired input source (Coaxial, Network, or USB).
6.3 Gain and Operating Mode Selection
The 4-level Function Switch on the front panel allows you to select different gain and oversampling (OS) modes:
- High Gain NOS: High gain, Non-Oversampmodul ling.
- High Gain OS: High gain, Oversampmodul ling.
- Low Gain OS: Low gain, Oversampmodul ling.
- Low Gain NOS: Low gain, Non-Oversampmodul ling.
Experiment with these modes to find the best sound profile for your headphones and listening preferences.
6.4 Reglarea volumului
Rotiți Controlul volumului knob on the front panel to adjust the audio output level. Start with a low volume and gradually increase it to a comfortable listening level.
6.5 Streaming Media
The EF500 supports streaming media via its Network Connector. You can stream music from applications like Spotify and Tidal directly to the unit. Refer to the video below for a demonstration:
Video 1: This video demonstrates how to initiate streaming from Spotify and Tidal applications to your HIFIMAN EF500 unit, showcasing the device selection process within the streaming apps.
7. Întreținere
To ensure the longevity and optimal performance of your HIFIMAN EF500, follow these maintenance guidelines:
- curatenie: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Praf: Keep the unit free from dust accumulation, especially around the vents, to maintain proper airflow.
- Depozitare: Dacă depozitați unitatea pentru o perioadă lungă de timp, deconectați-o de la priză și depozitați-o într-un loc răcoros și uscat.
8. Depanare
If you encounter issues with your HIFIMAN EF500, refer to the following common troubleshooting steps:
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Fără putere | Cablul de alimentare nu este conectat; Întrerupătorul este oprit; Problemă cu priza. | Ensure power cable is securely connected. Toggle power switch to 'ON'. Test power outlet with another device. |
| Fără ieșire de sunet | Incorrect input selected; Volume too low; Headphones/speakers not connected properly; Source device issue. | Verify input selection using the rear switch. Increase volume. Check all audio cable connections. Ensure source device is playing audio. |
| Sunet distorsionat | Volume too high; Incorrect gain setting; Faulty cable; Source audio quality. | Reduce volume. Adjust 4-level Function Switch. Try different audio cables. Check source audio file calitate. |
| Streaming issues | Network connection problem; App settings. | Ensure Ethernet cable is connected and network is active. Check streaming app's device selection (as shown in Video 1). Restart router/EF500. |
If the problem persists after trying these steps, please contact HIFIMAN customer support.
9. Specificații
| Caracteristică | Caietul de sarcini |
|---|---|
| Arhitectura DAC | HYMALAYA R2R LE |
| Balanced Output Power | 4.5 wați |
| Dimensiuni (pachet) | 12.24 x 11.89 x 6.5 inci |
| Greutatea articolului | 8.1 lire sterline |
| Numărul de model | EF500 |
| Producător | HIFIMAN |
| Prima dată disponibilă | 19 aprilie 2024 |
10. Garanție și asistență
HIFIMAN products are designed for durability and performance. For warranty information and support, please refer to the official HIFIMAN website-ul lor web sau contactați direct serviciul lor de asistență pentru clienți. Păstrați dovada achiziției pentru solicitările de garanție.
Pot fi disponibile planuri de protecție opționale pentru acoperire extinsă:
- Plan de protecție pe 2 ani
- Plan de protecție pe 3 ani
- Protecție completă (abonament lunar)
Pentru asistență suplimentară, vizitați HIFIMAN Store on Amazon sau contactați direct producătorul.





