Sennheiser HD620S Closed-Back Wired Audiophile Headphones (700401) | New
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1 Year WarrantyIncludedThe Sennheiser HD620S Closed-Back Wired Audiophile Headphones (700401) is a closed-back wired audiophile headphone built for detailed, spacious listening without sound leakage, making it a strong choice for home studios, focused music sessions and commuting. For a sophisticated hi-fi sound character, it blends a wide 6 Hz to 30 kHz frequency response, a 42 mm dynamic driver and a 150-ohm impedance. The goal of the Sennheiser HD620S is to provide a closed-back form factor a more open, speaker-like appearance. The headphones assist provide broad imagery while maintaining auditory privacy and reducing external disturbances by using reference-grade angled transducers and an open-baffle type construction. The HD620S's 3.5 mm connector, 1.8 m detachable cable and bundled 6.3 mm adaptor allow for versatile usage with desktop DACs, amplifiers and portable hi-fi equipment. Because of this, the Sennheiser HD620S is an appealing headphone for audiophiles who need comfort, isolation and genuine detail in a high-end wired packaging.
Quick specs
- Product Type
- Wired Headset
- Color
- Black
- Wearing style
- Wired headband
- Ear coupling
- Over-ear (circumaural) / around ear
- Acoustic principle
- Closed-back
- Transducer principle
- Dynamic, single driver
Key Features
Closed-back over-ear design for stronger isolation and reduced sound leakage.
42 mm dynamic drivers with angled transducers for precise imaging and natural detail.
150-ohm nominal impedance for use with quality headphone sources and amplifiers.
Wide 6 Hz to 30 kHz frequency response for deep bass extension and extended highs.
110 dB SPL sensitivity for efficient output in a wired audiophile design.
Detachable 1.8 m cable with 3.5 mm plug and included 6.3 mm adapter.
Steel-reinforced construction with artificial leather ear pads for durability and comfort.
Benefits
- Delivers a more immersive audiophile listening experience by combining closed-back isolation with spacious sound.
- Helps you focus on music, editing, or mixing by reducing ambient noise and limiting leakage.
- Produces natural imaging and clear instrument separation, which is ideal for critical listening.
- Pairs well with desktop audio setups, portable players and headphone amplifiers due to the 150-ohm design.
- Offers long-session comfort and a premium build that suits frequent everyday use.
- Gives you a versatile wired solution for hi-fi playback, studio reference listening and private music enjoyment.
| Manufacturer | Sennheiser |
|---|---|
| Manufacturer Part Number | 700401 |
| Product Name | Sennheiser HD620S Closed-Back Wired Audiophile Headphones |
| Product Type | Wired Headset |
| Color | Black |
| Wearing style | Wired headband |
| Ear coupling | Over-ear (circumaural) / around ear |
| Acoustic principle | Closed-back |
| Transducer principle | Dynamic, single driver |
| Transducer size | 42 mm with a 38 mm diaphragm |
| Driver design | Reference-grade angled transducers |
| Frequency response | 6 Hz to 30,000 Hz |
| Nominal impedance | 150 ohms |
| Sound pressure level (SPL) | 105 dB at 1 kHz / 1 Vrms |
| Total harmonic distortion (THD) | Less than 0.05% at 1 kHz / 90 dB SPL |
| Magnetic field strength | 6.25 mT |
| Cable length | 1.8 m |
| Cable type | Single-sided detachable cable with 3.5 mm plug |
| Included adapter | 3.5 mm to 6.3 mm adapter |
| Connector type | 3.5 mm audio plug |
| Ear pad material | Artificial leather on polyurethane basis / artificial leather |
| Weight without cable | 326 g |
| Package dimensions | 237 x 191 x 96 mm (L x W x H) |
| Package weight | 670 g |
| Storage temperature | -15°C to 65°C |
Frequently Asked Questions
Sennheiser HD620S Closed-Back Wired Audiophile Headphones (700401) | New
What are the Sennheiser HD620S headphones?
Are the HD620S headphones closed-back?
Are these headphones wireless?
Who are the HD620S headphones designed for?
Do the headphones provide noise isolation?
Are the HD620S suitable for studio monitoring?
Can these headphones be used for music production?
Are the headphones comfortable for long listening sessions?
Do the HD620S deliver deep bass performance?
Are the mids and highs detailed?
Is sound leakage minimized?
Can the HD620S work with headphone amplifiers?
Are these headphones good for home listening?
Are the HD620S durable?
Do they support lossless audio playback?
Are these headphones portable?
What type of sound signature do they offer?
Why choose closed-back audiophile headphones?
Can the HD620S be used for professional audio applications?
Why choose the Sennheiser HD620S?
Sennheiser HD620S Closed-Back Wired Audiophile Headphones (700401) | New
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