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Sennheiser HD 620S - Black

Sennheiser HD 620S - Black

The HD 620S offers distraction-free immersion for audio enthusiasts, delivering natural, expansive...

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Product Information

Full details

The Sennheiser HD 620S headphones are designed for audio enthusiasts seeking an immersive and distraction-free listening experience. Offering natural and expansive sound, these headphones excel at delivering reference-grade audio quality, making them ideal for critical listening. However, they are designed for indoor use and may not be suitable for on-the-go scenarios due to their open-back design. Key features include reference-grade transducers, an open-back design, and durable construction, ensuring both exceptional sound quality and long-lasting comfort.

All features

ColourBlack
SeriesHD 620S
Model Part Number700401
BrandSennheiser

Extended Product Information

FAQs

What is the impedance of the HD 620S?

The HD 620S has an impedance of 150 ohms.

What is included in the box?

The box includes the HD 620S headphones, a 1.8 m cable with a 3.5 mm plug, and a 3.5 to 6.3 mm adapter.

Can I use these headphones with my smartphone?

Yes, you can use the HD 620S with your smartphone. However, for optimal performance, an external amplifier is recommended.

How do I clean the earpads?

Clean the earpads with a soft, damp cloth. Avoid getting moisture inside the headphone components.

What is the frequency response of the HD 620S?

The frequency response is 6-30,000 Hz.

Are these headphones suitable for gaming?

While the HD 620S can be used for gaming, their open-back design may not provide the best isolation, and an amplifier is recommended.

What is the THD of the HD 620S?

The THD (Total Harmonic Distortion) is <0.05% (1 kHz, 90 dB).

Troubleshooting

No sound or low volume.

Check the audio source and ensure the volume is turned up. Verify the cable connections and try a different audio source or cable.

Sound is distorted.

Check the audio source for any distortion. Ensure the amplifier settings are not set too high, which can cause clipping.

One side of the headphones is not working.

Check the cable connection at both the headphones and the audio source. Test the headphones with a different cable if possible.

Poor sound quality.

Ensure the audio source and amplifier are of good quality. Clean the earpads to remove any debris that might affect the sound.

Pros and Cons

Pros

  • Exceptional sound quality with a natural and expansive soundstage.
  • Durable construction ensures long-term use.
  • Comfortable design allows for extended listening sessions.
  • Open-back design provides a spacious and immersive listening experience.
  • Reference-grade transducers deliver accurate audio reproduction.

Cons

  • Open-back design may not be suitable for noisy environments.
  • Requires a dedicated audio setup to fully appreciate the sound quality.
  • Not ideal for portable use due to the open-back design.
  • May require an amplifier to achieve optimal performance.
  • The 1.8 m cable might be restrictive in certain setups.

Setup, Compatibility & Care

To get started with your Sennheiser HD 620S:

  1. Connection: Plug the 3.5 mm jack into your audio source (e.g., DAC, amplifier, or audio interface) and use the included 3.5 to 6.3 mm adapter if necessary.
  2. Amplification: Due to the 150-ohm impedance, it's recommended to use an amplifier for optimal performance. Ensure the amplifier is compatible with high-impedance headphones.
  3. Positioning: Place the headphones over your ears, ensuring the earpads create a comfortable seal.

Compatibility

The HD 620S is compatible with a wide range of audio sources, including:

  • DACs (Digital-to-Analog Converters)
  • Amplifiers
  • Audio interfaces
  • Devices with 3.5 mm headphone jacks (using the included adapter)

Care

  • Cleaning: Clean the earpads with a soft, damp cloth. Avoid getting moisture inside the headphone components.
  • Storage: Store the headphones in a clean, dry place when not in use.
  • Cable Care: Handle the cable gently to prevent damage. Avoid sharp bends or pulling on the cable.

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