Impedance
300 Ohms
Frequency
41500 Hz
Weight
260 g
Sennheiser HD 660S2 offers a balanced combination of features.
Design
| Fit i | Over-ear (482 others) |
| Weight i | 260 g (15 others) |
| Has a detachable cable i | ✔ (468 others) |
| Water resistance i | None (332 others) |
| Can be folded i | ✖ |
| Has a tangle free cable i | ✔ (296 others) |
| Travel bag is included i | ✔ (353 others) |
Sound quality
| Has active noise cancellation (anc) i | ✖ |
| Lowest frequency i | 8 Hz (12 others) |
| Highest frequency i | 41500 Hz |
| Driver Unit Size i | 38 mm (1 other) |
| Impedance i | 300 Ohms (6 others) |
| Sound pressure level i | 104 dB/mW (6 others) |
| Has a neodymium magnet i | ✖ |
| Has passive noise reduction i | ✖ |
Power
Connectivity
| Connectivity i | Wired (175 others) |
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Frequently Asked Questions
What is the impedance of the Sennheiser HD 660S2?
At 300 Ohms, the Sennheiser HD 660S2 is 445% above the category average for impedance, ranking #15 out of 453 — see ranking headphone products.
What is the lowest frequency of the Sennheiser HD 660S2?
At 8 Hz, the Sennheiser HD 660S2 is 48% below the category average for lowest frequency, ranking #438 out of 559 — see ranking headphone products.
What is the highest frequency of the Sennheiser HD 660S2?
At 41500 Hz, the Sennheiser HD 660S2 is 45% above the category average for highest frequency, ranking #46 out of 561 — see ranking headphone products.
How does it compare?
How does the Sennheiser HD 660S2's lowest frequency compare to similar headphoness?
At 8 Hz, the Sennheiser HD 660S2 leads the Sennheiser HD800 S (4 Hz) by 50%.
How does the Sennheiser HD 660S2's highest frequency compare to similar headphoness?
At 41500 Hz, the Sennheiser HD 660S2 leads the Sennheiser Accentum Wireless SE (22000 Hz) by 47%.
How does the Sennheiser HD 660S2's weight compare to similar headphoness?
At 260 g, the Sennheiser HD 660S2 leads the Sennheiser HD 800 (330 g) by 21%.
How does the Sennheiser HD 660S2's driver unit size compare to similar headphoness?
At 38 mm, the Sennheiser HD 660S2 leads the Sennheiser Accentum Wireless SE (37 mm) by 3%.
How does the Sennheiser HD 660S2's sound pressure level compare to similar headphoness?
At 104 dB/mW, the Sennheiser HD 660S2 leads the Sennheiser HD 800 (102 dB/mW) by 2%.