1. Einleitung
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
Hauptmerkmale:
- 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.
- Langlebige 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. Lieferumfang
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. Einrichtungsanweisungen
Follow these steps to set up your HIFIMAN SUNDARA headphones:
- Auspacken: Nehmen Sie die Kopfhörer und das Zubehör vorsichtig aus der Verpackung.
- Anschließen des Kabels: 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.
- Anschließen an eine Audioquelle: 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 und einrichten.
4. Bedienungsanleitung
The HIFIMAN SUNDARA headphones are designed for comfortable and high-fidelity listening. Follow these guidelines for optimal use:
- Tragen der Kopfhörer: 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.
- Lautstärkeregelung: 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.
- Hörumgebung: 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.

Abbildung 3: Seite view of the SUNDARA earcup
5. Wartung und Pflege
Proper care will extend the life and maintain the performance of your HIFIMAN SUNDARA headphones:
- Reinigung der Ohrpolster: The updated earpads are designed for comfort. Gently wipe them with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Reinigungsstirnband: Wipe the headband with a soft, slightly damp Tuch. Achten Sie darauf, dass keine Feuchtigkeit in die internen Komponenten eindringt.
- Kabelpflege: 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.
- Lagerung: 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.
- Wasserbeständigkeit: Diese Kopfhörer sind nicht wasserbeständig. Vermeiden Sie den Kontakt mit Flüssigkeiten.

Figure 4: Close-up of SUNDARA earpads
6. Fehlerbehebung
If you encounter issues with your HIFIMAN SUNDARA headphones, refer to the following common problems and solutions:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Ton oder geringe Lautstärke |
|
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| Distorted or unbalanced sound |
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| Die Kopfhörer fühlen sich unbequem an |
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If the problem persists after trying these solutions, please contact HIFIMAN customer support.
7. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Modellname | SUNDARA |
| Artikelmodellnummer | HE-20 |
| Audiotreibertyp | Planarer magnetischer Treiber |
| Platzierung des Ohrs | Über dem Ohr |
| Formfaktor | Über dem Ohr |
| Konnektivitätstechnologie | Verdrahtet |
| Kopfhöreranschluss | 3.5 mm Klinke |
| Hardware-Schnittstelle | 3.5-mm-Audio |
| Kabelfunktion | Abnehmbar |
| Impedanz | 32 Ohm |
| Empfindlichkeit | 94 dB |
| Lärmschutz | Keine (offenes Design) |
| Material | Aluminum (frame), Plastic or Leather (earpads/headband) |
| Artikelgewicht | 1.3 Pfund (ca. 590 g) |
| Technische Daten | 10.63 x 6.3 x 11.81 Zoll |
| Wasserbeständigkeit | Nicht wasserfest |
| Im Lieferumfang enthaltene Komponenten | 3.5mm-to-6.35mm Adapter, Cable |
| Kompatible Geräte | Handys, Laptops, Tablets |
| Empfohlene Verwendung | Audio Monitoring, Recording |
8. Garantieinformationen
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 webBesuchen Sie unsere Website oder wenden Sie sich an Ihren autorisierten Händler.
9. Kundendienst
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 webWebsite oder die Kontaktinformationen, die Ihrer Produktverpackung beiliegen.
Besuchen Sie auch die HIFIMAN Store auf Amazon für zusätzliche Produktinformationen und Ressourcen.