Sennheiser HD 660 S2
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Impedance - 300 Ohms, wide frequency range, rich equipment.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Sennheiser 2026 - new arrivals, bestsellers, and the most relevant models Sennheiser.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Sennheiser 2026 - new arrivals, bestsellers, and the most relevant models Sennheiser.
Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.
What characteristics should good headphones have?Guide to key features of headphones
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Sennheiser - HD 660S2 Wired Over-the-Ear Headphones - Black HD 660S2 | $499.00 |  | |||
Sennheiser HD 660S2 Open Over-Ear Headphones with Optimized Surround & Improved Transducer Airflow Black 700240 | $599.95 |  | |||
2023 Sennheiser 700240 Black | $679.95 |  | |||
Sennheiser Consumer Audio Hd 660S2 - Wired Audiophile Stereo Headphones With Deep Sub Bass Optimized Surround Transducer Air | $679.95 |  | |||
Sennheiser HD 660S2 Open-Back Wired Over-Ear Headphones | $679.95 |  | |||
| $679.99 |  | ||||
Series Sennheiser HD (overhead)Compare using chart →
overhead, open, wired, detachable cable, 3.5 mm, 4.4 mm (Pentaconn), 6.35 mm, 1.8 m, no microphone, 8 – 41500 Hz, 300 Ohm
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 10 – 39500 Hz, 300 Ohm
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 6 – 38000 Hz, 120 Ohm, 200 mW, battery: with case + maximum
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 12 – 38500 Hz, 50 Ohm, battery: with case + 1.2 m — cable with microphone
overhead, closed, combined, detachable cable, 3.5 mm, USB-C, 1.2 m, Bluetooth v5.2, AAC, aptX, active noise cancellation, 6 – 40000 Hz, 480 Ohm, battery: 700 mAh, up to 60 h
студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, foldable, 8 – 25000 Hz, 64 Ohm
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 12 – 40500 Hz, 300 Ohm
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 5 – 36000 Hz, 130 Ohm
overhead, closed, combined, detachable cable, 3.5 mm, 1.5 m, Bluetooth v5.0, AAC, aptX, active noise cancellation, voice assistant, foldable, 18 – 22000 Hz, L-plug, battery: 600 mAh, up to 30 h
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, no microphone, 12 – 38500 Hz, 50 Ohm
overhead, closed, wired, detachable cable, 2.5 mm (micro-Jack), 1.4 m, foldable, 18 – 20000 Hz, 18 Ohm
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 5 – 36000 Hz, 130 Ohm
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 10 – 41000 Hz, 150 Ohm
студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 6 – 30000 Hz, 150 Ohm
overhead, closed, wired, detachable cable, 6.35 mm, 3 m, no microphone, 12 – 43800 Hz, 300 Ohm
for DJ, overhead, closed, wired, detachable cable, 3.5 mm, 6.35 mm, 1.5 m, no microphone, 16 – 22000 Hz, 70 Ohm
overhead, closed, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, 10 – 28000 Hz, 23 Ohm, battery: with case + 1.2 m — cable with microphone
Video reviews
HD660S2 - The side-grade we've been waiting for?
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Sennheiser HD 660s2 versus Sennheiser HD 650, which is the better Sennheiser headphone for you?
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What was WRONG with the original Sennheiser HD 660S? HD 660S2 Review
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Sennheiser HD660S2 - The New Reference Standard Under 1k? - The Honest Audiophile
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World Premiere Sennheiser HD 660S2 Review - The Saga Continues
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Sennheiser HD 660S2 Review | Reference Sound Evolved
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Sennheiser HD 660S2 Review. Comparisons to the OG HD 660S
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Sennheiser - HD 660S2 Headphone Unboxing
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THIS IS A DYNAMIC DRIVER?? - Sennheiser HD660S2 vs Hifiman Sundara and Focal Elex
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Do Not Buy the Sennheiser HD 660S2
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Sennheiser HD 660S2 Review & HD 660S Comparison | Moon Audio
31 March 202316 862 view
Sennheiser HD660S2 300 Ohm new updated headphones compared to the original 660s headphones!
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Sennheiser HD660S2 Headphone Review - Does S2 Stand for Strike 2?
28 March 202314 797 view
Sennheiser HD660S2 Impressions: Solid Headphone But…
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Sennheiser HD 660S2 Headphones Review. Are They Worth the Price?
9 September 202310 162 view
Sennheiser HD 660S2 Dynamic Headphones - Refinement Of The Traditional Series
14 September 20234 992 view
Sennheiser HD 660S2 vs HD 660S - Audiophile Headphones Re-Imagined!
25 February 20234 442 view
Is 2 Better Than 1? Sennheiser HD660S2 Dynamic Driver Open Back Headphone | My Honest Experience
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Sennheiser HD 660S2 open-back headphones | Crutchfield
24 May 20232 713 view
We recommendCompare using chart →
overhead, open, wired, detachable cable, 6.35 mm, 1.5 m, no microphone, 8 – 65000 Hz, 35 Ohm
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, foldable, 12 – 34000 Hz, 120 Ohm, 1000 mW, battery: with case + maximum
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 5 – 40000 Hz, 30 Ohm, 30 mW, battery: with case + 100 мВт maximum
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 20 – 22000 Hz, 26 Ohm, 45 degree angle plug
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 10 – 39800 Hz, 62 Ohm, 200 mW, battery: with case + maximum
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, no microphone, 5 – 50000 Hz, 60 Ohm
in-ear, wireless, true wireless, Bluetooth v5.3, AAC, LDAC, active noise cancellation, voice assistant, waterproof, 20 – 40000 Hz, battery: up to 8 h, with case + only LDAC
студийные, overhead, open, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, 5 – 35000 Hz, 250 Ohm, 100 mW
gaming, PlayStation 5, Switch, overhead, closed, wireless, Bluetooth v5.3, AAC, radio channel, 3D sound, 20 – 20000 Hz, 64 Ohm, battery: up to 200 h
overhead, closed, combined, detachable cable, USB-C, 1.2 m, Bluetooth v6.0, active noise cancellation, 3D sound, voice assistant, foldable, 10 – 40000 Hz, 32 Ohm, battery: 870 mAh, up to 50 h
overhead, closed, combined, detachable cable, 3.5 mm, 1.2 m, Bluetooth v5.0, AAC, game mode, 5 – 32000 Hz, 36 Ohm, L-plug, battery: up to 60 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm, 45 degree angle plug, battery: 690 mAh, up to 44 h