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popularjk6812 | Staff posted Today 01:51 AM
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popularjk6812 | Staff posted Today 01:51 AM

Sennheiser HD 660S2 Open-Back Over-Ear Audiophile Headphones $399.95 + Free Shipping

$400

$680

41% off
Amazon
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Deal Details
Amazon [amazon.com] has Sennheiser HD 660S2 Open-Back Over-Ear Audiophile Headphones on sale for $399.95. Shipping is free.

Don't have Amazon Prime?From Merchant's Product Page:
  • Specs:
    • Driver type: Dynamic, 42mm aluminum voice coil transducers
    • Frequency response: 8 Hz – 41.5 kHz
    • Impedance: 300 Ohms
    • Design: Open-back, over-ear
    • Ear cushion shape: Oval
    • Weight: 0.3 kg (10.6 oz)
    • Enclosure material: Aluminum
    • Connectivity: Wired only
    • Manufactured in Germany & Ireland
  • Includes:
    • HD 660S2 headphones
    • 6.3mm (1/4") cable (1.8m / 5.9 ft)
    • 4.4mm balanced cable (1.8m / 5.9 ft)
    • 6.3mm to 3.5mm adapter
    • Carry pouch
  • Features:
    • Open-back design for spacious soundstage
    • Extended low-end response down to 27.5 Hz
    • Detachable cable system with 1/4" TRS and 4.4mm TRRRS jacks
    • Plush, breathable ear cushions
    • Sound isolation (passive)
    • Compatible with smartphones, music players, and audio interfaces
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has Sennheiser HD 660S2 Open-Back Over-Ear Audiophile Headphones on sale for $399.95. Shipping is free.

Don't have Amazon Prime?From Merchant's Product Page:
  • Specs:
    • Driver type: Dynamic, 42mm aluminum voice coil transducers
    • Frequency response: 8 Hz – 41.5 kHz
    • Impedance: 300 Ohms
    • Design: Open-back, over-ear
    • Ear cushion shape: Oval
    • Weight: 0.3 kg (10.6 oz)
    • Enclosure material: Aluminum
    • Connectivity: Wired only
    • Manufactured in Germany & Ireland
  • Includes:
    • HD 660S2 headphones
    • 6.3mm (1/4") cable (1.8m / 5.9 ft)
    • 4.4mm balanced cable (1.8m / 5.9 ft)
    • 6.3mm to 3.5mm adapter
    • Carry pouch
  • Features:
    • Open-back design for spacious soundstage
    • Extended low-end response down to 27.5 Hz
    • Detachable cable system with 1/4" TRS and 4.4mm TRRRS jacks
    • Plush, breathable ear cushions
    • Sound isolation (passive)
    • Compatible with smartphones, music players, and audio interfaces

Community Voting

Deal Score
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Get Deal at Amazon

Price Intelligence

Model: (NEW) Sennheiser HD 660S2 Wired Audiophile Stereo Headphones

Deal History 

Sale Price
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Current Prices

Sort: Lowest to Highest | Last Updated 5/22/2026, 04:04 AM
Sold By Sale Price
Amazon$399
Guitar Center$479.95
Musician's Friend$479.95
Best Buy$499

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3 Comments

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Today 03:17 AM
3,903 Posts
Joined Oct 2015
goodness97Today 03:17 AM
3,903 Posts
Frequently returned item!
1
Today 05:00 AM
129 Posts
Joined Feb 2025
SmilingRiver528Today 05:00 AM
129 Posts
Quote from goodness97 :
Frequently returned item!
Yeah, in the era of closing audio stores, amazon has become the best option for auditioning gear
1
Today 06:14 AM
1,004 Posts
Joined Nov 2017
rcaguy5Today 06:14 AM
1,004 Posts
funny I spent 379 for them in 2023
1

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