1. Introduktion
Thank you for choosing the HIFIMAN SUNDARA Planar Magnetic Headphones. The SUNDARA headphones are engineered to deliver an exceptional audio experience, featuring advanced planar magnetic technology and a comfortable, durable design. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your headphones to ensure optimal performance and longevity.

Figure 1: HIFIMAN SUNDARA Planar Magnetic Headphones
Nøglefunktioner:
- NEO 'supernano' Diaphragm (NsD): Utilizes a diaphragm 80% thinner than previous designs, resulting in enhanced detail, faster transient response, and an extended frequency range.
- Hybrid Headband Design: Features a separate head strap that evenly distributes headphone weight for improved comfort during extended listening sessions.
- Holdbar konstruktion: The headband structure is designed for everyday use, combining durability with an aesthetic appeal.
- 3.5mm Connectors: Equipped with standard 3.5mm sockets for improved connectivity and robust physical connection.
2. Hvad er der i æsken
Please check the contents of your SUNDARA package. If any items are missing or damaged, contact your retailer or HIFIMAN customer support.
- HIFIMAN SUNDARA Planar Magnetic Headphones
- Headphone Cable (with 3.5mm connectors)
- 3.5mm-to-6.35mm Adapter
3. Opsætningsvejledning
Follow these steps to set up your HIFIMAN SUNDARA headphones:
- Udpakning: Tag forsigtigt hovedtelefonerne og tilbehøret ud af emballagen.
- Tilslutning af kablet: Locate the two 3.5mm connectors on the headphone cable. Insert one connector into the port on the left earcup and the other into the port on the right earcup. Ensure they are securely seated.
- Tilslutning til lydkilde: Connect the other end of the headphone cable (the single 3.5mm jack) to your audio source (e.g., amplifier, digital audio player, computer). If your audio source requires a 6.35mm (1/4 inch) jack, use the included 3.5mm-to-6.35mm adapter.

Figure 2: Detail of earcup and headband connection
For a visual guide on setting up your HIFIMAN SUNDARA headphones, please watch the official product video below:
Video: Official HIFIMAN SUNDARA Over-ear Full-size Planar Magnetic Headphones overview og opsætning.
4. Betjeningsvejledning
The HIFIMAN SUNDARA headphones are designed for comfortable and high-fidelity listening. Follow these guidelines for optimal use:
- Brug af hovedtelefoner: Adjust the headband so that the earcups sit comfortably over your ears, fully enclosing them. The hybrid headband design ensures even weight distribution for extended comfort.
- Lydstyrkekontrol: Adjust the volume using the controls on your connected audio source. The SUNDARA headphones feature a high sensitivity of 94 dB and an impedance of 32 Ohms, making them relatively easy to drive with various devices. However, for the best performance, especially with demanding audio, a dedicated headphone amplifier may be beneficial.
- Lyttemiljø: As open-back headphones, the SUNDARA provides a wide soundstage but offers minimal noise isolation. They are best used in quiet environments to fully appreciate their sonic capabilities.

Figur 3: Side view of the SUNDARA earcup
5. Vedligeholdelse og pleje
Proper care will extend the life and maintain the performance of your HIFIMAN SUNDARA headphones:
- Rengøring af ørepuder: The updated earpads are designed for comfort. Gently wipe them with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Rengøring af hovedbøjle: Wipe the headband with a soft, slightly damp Sørg for, at der ikke trænger fugt ind i de indvendige komponenter.
- Kabelpleje: The headphone cable is detachable. When disconnecting, always grasp the connector housing, not the cable itself. Avoid sharp bends or excessive pulling on the cable.
- Opbevaring: Store your headphones in a clean, dry place away from direct sunlight and extreme temperatures. Using a headphone stand or the original packaging is recommended to prevent damage.
- Vandtæthed: These headphones are not water-resistant. Avoid exposure to liquids.

Figure 4: Close-up of SUNDARA earpads
6. Fejlfinding
If you encounter issues with your HIFIMAN SUNDARA headphones, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen lyd eller lav lydstyrke |
|
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| Forvrænget eller ubalanceret lyd |
|
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| Headphones feel uncomfortable |
|
|
If the problem persists after trying these solutions, please contact HIFIMAN customer support.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | SUNDARA |
| Varemodelnummer | HE-20 |
| Audio driver type | Plan magnetisk driver |
| Øreplacering | Over Ear |
| Formfaktor | Over Ear |
| Forbindelsesteknologi | Kablet |
| Hovedtelefonstik | 3.5 mm Jack |
| Hardware-interface | 3.5 mm lyd |
| Kabelfunktion | Aftagelig |
| Impedans | 32 Ohm |
| Følsomhed | 94 dB |
| Støjkontrol | Ingen (åben bagside) |
| Materiale | Aluminum (frame), Plastic or Leather (earpads/headband) |
| Varens vægt | 1.3 pund (ca. 590 g) |
| Produktdimensioner | 10.63 x 6.3 x 11.81 tommer |
| Vandmodstandsniveau | Ikke vandafvisende |
| Inkluderede komponenter | 3.5mm-to-6.35mm Adapter, Cable |
| Kompatible enheder | Mobiltelefoner, bærbare computere, tablets |
| Anbefalede anvendelser | Audio Monitoring, Recording |
8. Garantioplysninger
HIFIMAN products are covered by a manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region and retailer. Please retain your proof of purchase for warranty claims.
For detailed warranty information, including coverage, exclusions, and how to make a claim, please refer to the official HIFIMAN webwebstedet eller kontakt din autoriserede forhandler.
9. Kundesupport
If you have any questions, require technical assistance, or need further support regarding your HIFIMAN SUNDARA headphones, please contact HIFIMAN customer service through their official webwebstedet eller de kontaktoplysninger, der følger med din produktemballage.
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