Sennheiser HD 660 S (508231)
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High-quality open-back on-ear headphones with a soft, balanced sound of superior quality. The older model in the HD 6XX line, whose devices allow you to get the most out of listening to Hi-Res tracks. Designed for use as part of a complex of high-quality sound-reproducing equipment in a calm home environment and comfortable acoustic environment. They feature impressively low harmonic distortion, extended frequency and excellent dynamic range.
With a lively and balanced sound, the Sennheiser HD 660 S headphones are able to convey to the user every emotion and nuance of the sound of a piece of music. They have a significant impedance resistance (150 ohms), so an additional high-end amplifier or a specialized Hi-Fi player is required to fully reveal their potential. Excellent ergonomics make long hours of listening as comfortable as possible. They are equipped with a detachable three-metre cable with a two-way supply and a 3-pin Jack 6.35 mm connector, as well as an adapter for a 3-pin mini-Jack 3.5mm.
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.
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, 3 m, no microphone, 12 – 38500 Hz, 50 Ohm, battery: with case + 1.2 m — cable with microphone
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, 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, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 12 – 40500 Hz, 300 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, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 5 – 36000 Hz, 130 Ohm
студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, foldable, 8 – 25000 Hz, 64 Ohm
студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 6 – 30000 Hz, 150 Ohm
overhead, closed, wireless, Bluetooth v5.0, AAC, aptX, foldable, 18 – 22000 Hz, battery: 320 mAh, up to 30 h
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 5 – 36000 Hz, 130 Ohm
overhead, closed, wired, detachable cable, 2.5 mm (micro-Jack), 1.4 m, foldable, 18 – 20000 Hz, 18 Ohm
overhead, closed, wired, detachable cable, 3.5 mm, 1.4 m, foldable, 18 – 20000 Hz, 18 Ohm, L-plug
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 3 m, no microphone, 10 – 41000 Hz, 150 Ohm
overhead, open, wired, detachable cable, 6.35 mm, 3 m, no microphone, 4 – 51000 Hz, 300 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
Very decent sound even from the built-in sound card, comfortable, good looking Not tight. Despite the impedance of 150 ohms, they are handled by the built-in Realtek ALC 1200. It's possible to comfortably get by for a few months while saving up for a good DAC and amplifier. Good bass, comfortable. Open design, 100% not suitable for street and metro use Sennheiser HD 660 S less than month |
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We recommendCompare using chart →
overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, XLR, no microphone, 8 – 65000 Hz, 35 Ohm
overhead, open, wired, detachable cable, 6.35 mm, 3 m, no microphone, 5 – 45000 Hz, 50 Ohm, 700 mW
overhead, open, wired, 3.5 mm, 1.2 m, no microphone, 8 – 35000 Hz, battery: with case + 6 core
студийные, overhead, open, wired, detachable cable, 4.4 mm (Pentaconn), 6.35 mm, 1.2 m, no microphone, 13 – 58000 Hz, 15 Ohm
студийные, overhead, open, wired, detachable cable, 3.5 mm, 2 m, no microphone, foldable, 20 – 20000 Hz, 13 Ohm
студийные, overhead, open, wired, detachable cable, 3.5 mm, 6.35 mm, 1.8 m, no microphone, 15 – 40000 Hz, 32 Ohm
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
студийные, overhead, closed, wired, 3.5 mm, 6.35 mm, 3 m, no microphone, 15 – 20000 Hz, 47 Ohm, 700 mW, battery: with case + maximum
overhead, closed, combined, detachable cable, 2.5 mm (micro-Jack), 1.2 m, Bluetooth v5.2, AAC, aptX, active noise cancellation, voice assistant, 10 – 22000 Hz, 560 Ohm, L-plug, battery: 800 mAh, up to 50 h, with case + active mode / 95 Ohm - passive mode
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