Over-ear, Open-back
+Open-back design for an airy, spacious soundstage
+Over-ear fit for full-size ear cup coverage
+Refined acoustic tuning for detailed listening
−Open-back design lets sound leak out to others nearby
$503.15-26%List: $679.95
as of 11/04/2026 02:37 PST - DetailsProduct details
Sennheiser HD 660S2 - Audiophile Open-Back Over Ear Headphones with Deep Bass Extension and Refined Acoustic
$503.15as of 11/04/2026 02:37 PST - Details
View on AmazonPros
+Open-back design for an airy, spacious soundstage
+Over-ear fit for full-size ear cup coverage
+Refined acoustic tuning for detailed listening
Cons−Open-back design lets sound leak out to others nearby
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