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Sennheiser HD 660S2 Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black

Sennheiser HD 660S2 Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black

Q: That 300 ohm impedence frightens me. i have ak sr25 mk2 music player i assume ok but i want to listen to movies from hifi amplifier, are both ok?

I’m not sure ….. I listen through a modestly-priced iFi dac & headphone amp and they don’t struggle at all for power 👍🙂

Q: Fast charging ? As per spec.

These headphones don't have batteries, so there's no fast charging (or any other kind of charging).

Product ID: 509545979

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Details

Brand
Sennheiser
Colour
Black
Ear placement
Over Ear
Form factor
Over Ear
Impedance
300 Ohm
Noise control
None

🎧42mm ultra-light transducers

🔊27.5 Hz deep sub-bass response

🔌Detachable 1.8m cables with multi-adapter

Frequently Bought Together

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NewFantasia 4.4mm Balanced Male 6N OCC Copper Silver Plated Cord 4.4mm Balanced Cable Compatible with Sennheiser HD650, HD600, HD580, HD660S, HD58X, Massdrop HD6XX Headphone Walnut Wood Shell

Description

🎶 Elevate your audio game — hear what others miss!

ALL DAY COMFORT - Breathable plush ear cushions and lightweight aluminum build ensure fatigue-free listening during marathon sessions.
DEEP CONTROLLED BASS - Feel the power of low-end frequencies from 27.5 Hz piano lows to 60 Hz bass drums with unmatched precision.
VERSATILE CONNECTIVITY - Includes detachable cables and adapters for seamless use across studio gear, desktops, and portable devices.
AUDIOPHILE GRADE CLARITY - Experience pristine highs and rich mids with a spacious open-back design that immerses you in every note.
CRAFTED FOR PROFESSIONALS - Engineered in Germany and Ireland with premium materials for durability, elegance, and uncompromising sound fidelity.

The Sennheiser HD 660S2 wired headphones deliver audiophile-grade open-back sound with 42mm ultra-light transducers and a vented magnet system, producing detailed highs and deep sub-bass down to 27.5 Hz. Designed for professionals and music lovers, they feature breathable plush ear cushions for extended comfort, detachable cables with multiple adapters for versatile connectivity, and premium build quality crafted in Europe for long-lasting performance.

Specifications

Connectivity technology	Wired
Wireless communication technology	Kopfhörer mit Kabel
Included components	4.4 mm cable (1.8 m), 6.3 mm cable (1.8 m), 6.3mm to 3.5mm adapter, HD 660S2 headphones, Protective Case, Quick Guide, Safety Guide
Age range (description)	Adult
Material	Aluminium
Specific uses for product	Music
Recommended uses for product	music
Compatible devices	Devices with 6.35 mm audio input or adapter compatibility
Control type	Media Control
Cable feature	Detachable
Item weight	260 Grams
Water resistance level	Not Water Resistant
Package type	Protective delivery packaging with a portable carry pouch
Unit count	1.0 count
Style	HD 660S2
Control method	Touch
Number of items	1
Product Dimensions	24.2 x 18.2 x 10 cm; 260 g
Item model number	700240
Connector	3.5mm Jack
Hardware Interface	3.5mm Audio
Speaker Amplification Type	Passive
Material Type	Aluminium
Size	one size
Power Source	Corded Electric
Item Weight	260 g

Have a Question? See What Others Asked

That 300 ohm impedence frightens me. i have ak sr25 mk2 music player i assume ok but i want to listen to movies from hifi amplifier, are both ok?

Fast charging ? As per spec.

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