Headphones HiFiMAN Sundara Closed

The HiFiMAN Sundara Closed headphones combine planar magnetic driver technology with a closed-back design to deliver detailed, immersive sound with effective noise isolation. Handcrafted beech wood earcup shells provide both an elegant appearance and acoustic warmth. Planar drivers with an ultra-thin NEO Supernano diaphragm reproduce a wide frequency range with low distortion, while Stealth magnets reduce airborne interference to preserve clarity. The Sundara Closed is engineered for extended listening sessions with a comfortable padded headband and soft earcups, and includes a high-quality 1.5 m crystalline copper cable with a double-sided 3.5 mm connector plus a 6.35 mm adapter for compatibility with a variety of audio equipment.

Advantages

Planar magnetic drivers with an ultra-thin diaphragm ensure accurate transient response and low distortion across the audible and extended frequency range. The closed-back construction provides improved isolation from ambient noise while the beech wood earcups add acoustic warmth and a refined visual finish. Stealth magnets minimize interference from sound waves, preserving fine detail and tonal balance. Lightweight but sturdy construction and well-padded contact points support long listening periods without excessive pressure.

Suitable for

• Audiophile home listening where isolation and high fidelity are required
• Critical listening and sound evaluation in semi-professional or home studio settings
• Music genres demanding wide dynamic range and detailed reproduction (classical, jazz, acoustic, electronic)
• Long-duration listening sessions due to ergonomic padding and balanced weight distribution

Key specifications

• Transducer type: planar magnetic with ultra-thin NEO Supernano diaphragm
• Frequency response: 6 Hz – 50 kHz
• Impedance: 20 Ω
• Sensitivity: 98 dB
• Weight: 432 g
• Earcup material: handcrafted beech wood
• Cable: 1.5 m crystalline copper, double-sided 3.5 mm connector; includes 6.35 mm adapter
• Design: closed-back for passive isolation

How to use

Connect the double-sided 3.5 mm cable to each earcup and plug the connector into your source device or amplifier; use the included 6.35 mm adapter if required by your equipment. Adjust the headband for a secure, comfortable fit and position the earcups to fully enclose your ears for optimal isolation and imaging. Begin playback at a low volume and increase to a comfortable listening level to avoid sudden loud peaks. For critical listening, allow the headphones to warm up briefly and use a clean signal path from a suitable headphone amplifier or high-quality source to realize the full potential of the planar drivers.

Usage recommendations

To preserve acoustic performance and finish, avoid exposing the wooden earcups to prolonged direct sunlight or extreme humidity. Clean earcup surfaces gently with a dry, soft cloth and disconnect cables when storing. When using the headphones with portable devices, consider a low-noise line output or portable amplifier to ensure adequate drive and to maintain clarity across the wide frequency range.