1. Introduzione
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
Caratteristiche principali:
- 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.
- Costruzione durevole: 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. Cosa c'è nella scatola
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. Istruzioni per l'installazione
Follow these steps to set up your HIFIMAN SUNDARA headphones:
- Disimballaggio: Carefully remove the headphones and accessories from their packaging.
- Collegamento del cavo: 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.
- Collegamento alla sorgente audio: 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 e configurazione.
4. Istruzioni per l'uso
The HIFIMAN SUNDARA headphones are designed for comfortable and high-fidelity listening. Follow these guidelines for optimal use:
- Indossare le cuffie: 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.
- Controllo del volume: 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.
- Ambiente di ascolto: 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.

Figura 3: lato view of the SUNDARA earcup
5. Manutenzione e cura
Proper care will extend the life and maintain the performance of your HIFIMAN SUNDARA headphones:
- Pulizia dei cuscinetti auricolari: The updated earpads are designed for comfort. Gently wipe them with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Pulizia della fascia: Pulisci la fascia con un panno morbido e leggermente damp panno. Assicurarsi che non penetri umidità nei componenti interni.
- Cura del cavo: 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.
- Magazzinaggio: 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.
- Resistenza all'acqua: Queste cuffie non sono resistenti all'acqua. Evitare l'esposizione ai liquidi.

Figure 4: Close-up of SUNDARA earpads
6. Risoluzione Dei Problemi
If you encounter issues with your HIFIMAN SUNDARA headphones, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessun suono o volume basso |
|
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| Distorted or unbalanced sound |
|
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| Le cuffie sono scomode |
|
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If the problem persists after trying these solutions, please contact HIFIMAN customer support.
7. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Nome del modello | SONDARA |
| Numero modello articolo | HE-20 |
| Tipo di driver audio | Driver magnetico planare |
| Posizionamento dell'orecchio | Sopra l'orecchio |
| Fattore di forma | Sopra l'orecchio |
| Tecnologia di connettività | Cablato |
| Presa per cuffie | 3.5 mm Jack |
| Interfaccia Hardware | Audio da 3.5 mm |
| Caratteristica del cavo | Staccabile |
| Impedenza | 32 Ohm |
| Sensibilità | 94 dB |
| Controllo del rumore | None (Open-back design) |
| Materiale | Aluminum (frame), Plastic or Leather (earpads/headband) |
| Peso dell'articolo | 1.3 libbre (circa 590 g) |
| Dimensioni del prodotto | 10.63 x 6.3 x 11.81 pollici |
| Livello di resistenza all'acqua | Non resistente all'acqua |
| Componenti inclusi | 3.5mm-to-6.35mm Adapter, Cable |
| Dispositivi compatibili | Cellulari, laptop, tablet |
| Usi consigliati | Audio Monitoring, Recording |
8. Informazioni sulla garanzia
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 websito o contattare il rivenditore autorizzato.
9. Assistenza clienti
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 websito o le informazioni di contatto fornite sulla confezione del prodotto.
Puoi anche visitare il HIFIMAN Store on Amazon per ulteriori informazioni e risorse sul prodotto.