HD 660S2 Open-Back Audiophile Headphones - Image 1
Sennheiser

HD 660S2 Open-Back Audiophile Headphones

Why we picked it

Reference-class neutral sound

Warranty: 2 yearsMade in: IrelandSatisfaction: 93%

Sennheiser HD 660S2 is the modern HD 600-line headphone - open-back, transducer reworked for deeper bass extension. The reference audiophile headphone you can drive from a phone amp.

2 years Made in Ireland
$599.00

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Community & Review Summary

4.6/ 5

4,200 Amazon reviews

93%

Reddit satisfaction score

540

Total mentions (508 positive)

N/A

Amazon sales rank

Pros & Cons from Reviews

Pros

  • +Reference-class neutral sound
  • +Drivable from a phone amp
  • +Replaceable cable + earpads
  • +Made in Ireland

Cons

  • -Open-back leaks sound
  • -Premium price

Warranty & Returns

Warranty

2 years

Return Policy

Most items are returnable within 30 days of receipt for a full refund. Some categories have shorter return windows.

Read full return policy