Sennheiser HD 660S2
No noise cancellation, CableProduct details
An intense, natural sound image with exceptional detail combined with the highest wearing comfort and a sub-bass extension that you can experience with all your senses. Each pair of audiophile headphones has its own unique character. Imagine if you could own one of these. The sub-bass extension is the perfect addition for an even more impressive dynamic sound.Feel-good shoes, your favourite jeans and, as a highlight, the HD 660S2. A favourite outfit makes you feel good all around.
Unique vented magnet system for minimal distortion.
Featherweight aluminium voice coil with 300 Ohm impedance and optimal response.
An immersive listening experience with vivid timbre and deep, accurate sub-bass.
Soft, supple ear cushions and an open design ensure maximum wearing comfort.
Outstanding quality developed in Germany and manufactured in Ireland.
Isolation | Open |
Signal transmission | Cable |
Application range | General |
Equipment + Functions | Removable cable |
Noise cancelling | No noise cancellation |
Audio Connections | Jack 3.5mm (1x), Jack 4.4mm (1x), Jack 6.3mm (1x) |
Headphone type | Over ear headphones |
Item number | 35673453 |
Manufacturer | Sennheiser |
Category | Headphones |
Manufacturer no. | 700240 |
Release date | 17/5/2023 |
Colour | Black |
Exact colour description | Black |
Application range | General |
Output | Stereo |
Noise cancelling | No noise cancellation |
Equipment + Functions | Removable cable |
Music control | Universal (1-button remote control) |
Signal transmission | Cable |
Headphone type | Over ear headphones |
Fit | Headband |
Isolation | Open |
Driver diameter | 38 mm |
Adjustability | Removable cable |
Converter principle | Dynamic |
Magnet type | Neodymium |
Sensitivity | 104 dB |
Impedance | 300 Ω (ohm) |
Audio Connections | Jack 3.5mm (1x), Jack 4.4mm (1x), Jack 6.3mm (1x) |
Connections base/transmitter | 6.3mm |
Headphone cable length | 1.8m |
Power supply | Phantom Power Supply |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 6.3mm cable, 6.3mm to 3.5mm stereo adapter, Pouch |
Height | 11 cm |
Width | 15 cm |
Weight | 260 g |
Product Safety |
Length | 24.90 cm |
Width | 21.40 cm |
Height | 10.60 cm |
Weight | 637 g |
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: Galaxus- 85.JLab Audio4,1 %
- 85.Music Sound4,1 %
- 85.Sennheiser4,1 %
- 88.Lenovo4,3 %
- 88.OPPO4,3 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 76.Hifiman6 days
- 78.Edifier7 days
- 79.Sennheiser8 days
- 80.Shokz10 days
- 80.Suunto10 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Galaxus- 80.Bose4 %
- 80.FiiO4 %
- 82.Sennheiser4,1 %
- 83.Havit4,2 %
- 83.Technics4,2 %