Sennheiser HD 660S2

Product information

Key specs

Type of ear cushions

Over-ear

Bluetooth

Noise canceling

Sound quality according to customers

Very good

Carrying comfort according to customers

Excellent

Type of ear cushions	Over-ear
Bluetooth
Noise canceling
Sound quality according to customers	Very good
Carrying comfort according to customers	Excellent
Built-in microphone

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View all specifications

Pros and cons

According to our headphones expert

• The open design makes the music sound realistic and spacious.
• Thanks to the frequency range of 8 to 41,500Hz, bass and treble sound good.
• With Hi-Res audio, you can listen to more detail in your audio.
• The headphones are wired, so you have less freedom of movement.

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Description

You enjoy a realistic sound with the Sennheiser HD 660S2. Thanks to the open design, you can hear ambient sound come through. This makes music sound spacious. That allows you to use the headphones at home, for example. The headphones have a frequency range of 8 to 41,500Hz. This lets you enjoy a detailed sound reproduction. With the Sennheiser HD 660S2, you enjoy detailed sound thanks to Hi-Res audio technology. This allows you to hear more details and nuances in the music. The full-size ear cups fit comfortably over your ears, so you can wear the headphones for long periods of time.

You enjoy a realistic sound with the Sennheiser HD 660S2. Thanks to the open design, you can hear ambient sound come through. This makes music sound spacious. That allows you to use the headphones at home, for example. The headphones have a frequency range of 8 to 41,500Hz. This lets you enjoy a detailed sound reproduction. With the Sennheiser HD 660S2, you enjoy detailed sound thanks to Hi-Res audio technology. This allows you to hear more details and nuances in the music. The full-size ear cups fit comfortably over your ears, so you can wear the headphones for long periods of time.

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Tips for using this product

Tips for using this product

Read our tips and find out all about how to set up your product and use it the right way.

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Download the manual

Download the manual (1.39 MB)

Included by default

• Manual (1.39 MB)
• 6.3mm cable (1.8m)
• 4.4mm cable (1.8m)
• 6.3mm to 3.5mm adapter
• Carrying bag

Included by default

• 6.3mm cable (1.8m)
• 4.4mm cable (1.8m)
• 6.3mm to 3.5mm adapter
• Carrying bag

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Download the manual

Download the manual (1.39 MB)

Key specs

Type of ear cushions

Over-ear

Bluetooth

Noise canceling

Sound quality according to customers

Very good

Carrying comfort according to customers

Excellent

Type of ear cushions	Over-ear
Bluetooth
Noise canceling
Sound quality according to customers	Very good
Carrying comfort according to customers	Excellent
Built-in microphone

View all specifications

View all specifications

Complete your purchase

Visit one of our stores, also by appointment

• Get advice from an expert
• View more headphones in our stores
• We have stores in Almere, Amsterdam West, Amsterdam Zuidas, Arnhem, Breda, Den Bosch, The Hague, Eindhoven, Groningen, Haarlem, Hengelo, Leeuwarden, Leiden, Nijmegen, Rotterdam Alexandrium, Rotterdam Centrum, Tilburg, and Utrecht

Make an advice appointment in our stores

Reviews

1 review

8,0/10 (1 review)

Rating

0 reviews with 5 stars

5 stars 0 reviews

1 reviews with 4 stars

4 stars 0 reviews

0 reviews with 3 stars

3 stars 0 reviews

0 reviews with 2 stars

2 stars 0 reviews

0 reviews with 1 star

1 star 0 reviews

Most helpful reviews

8,0/10

Positive upgrade over previous generation

• bass is better and deeper than predecessor (660s)
• build quality from Sennheiser
• slightly less clear vocals than predecessor

Read full review

• Jaron
• 19 May 2024
• Automatically translated from Dutch

8,0/10

Positive upgrade over previous generation

• bass is better and deeper than predecessor (660s)
• build quality from Sennheiser
• slightly less clear vocals than predecessor

top headset from a top manufacturer, but I wouldn't be surprised if the cable also broke like the predecessor (easy to replace)

• Jaron
• 19 May 2024
• Automatically translated from Dutch

View all 1 reviews

Insure your headphones

You can select one of the Backup Plans below in your shopping cart. It will protect your brand new headphones against damage and/or theft.

• Backup Plan Damage - Cancellable monthly
  6,49 per month
• Backup Plan Complete - Cancellable monthly
  7,99 per month
• 2-year Backup Plan Damage
  72,00 one-time payment
• 2-year Backup Plan Complete
  89,00 one-time payment

Suitable accessories

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Specifications

Product

Product number

928399

Manufacturer code

700240

Brand

Sennheiser

Warranty

2 years

Processing of your defect

Via Coolblue

Old product returned for free

Physical properties

Weight in grams

260 g

Color

Black

Material

Plastic

Built-in microphone

Intended for

DJs

Sound according to expert

Tested by expert

Equalizer

Sound

Sound reproduction

Stereo

Impedance

300 O

Hi-Res audio

Volume limit

Active headphones

Noise canceling

Connection

Bluetooth

Cable

Detachable cable

Ribbon cable

Coil cable

Braided sleeve

Remote in cable

Quality

Hi-Res audio

Sound quality according to customers

Very good

Carrying comfort according to customers

Excellent

Resistance

Water-resistant

Casing

Type of ear cushions

Over-ear

Types of design

Open

Foldable

Rotatable ear cups

Ear cushion material

Fabric

Remote control on ear cups

Accessories

Extra headphone cables included

Headphones adapter included

Airplane adapter included

Awards

Best tested