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forum threadjk6812 | Staff posted Today 01:51 AM

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forum threadjk6812 | 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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Amazon [amazon.com] has Sennheiser HD 660S2 Open-Back Over-Ear Audiophile Headphones on sale for $399.95. Shipping is free.

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Students can get a free 6-Month Amazon Prime trial [amazon.com] with free 2-day shipping, unlimited video streaming & more.
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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

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?

Students can get a free 6-Month Amazon Prime trial [amazon.com] with free 2-day shipping, unlimited video streaming & more.
If you're not a student, there's also a free 1-Month Amazon Prime trial [amazon.com] available.
Details of Amazon's return policy (here [amazon.com])

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

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

Deal History

Sale Price

Slickdeal

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$400

Today

Post Date	Sold By	Sale Price	Activity
07/17/24	Amazon	$366	0
07/15/23	Amazon	$372	1
07/14/23	Amazon	$372 Popular	15

Current Prices

Sort: Lowest to Highest | Last Updated 5/21/2026, 09:15 PM

Sold By	Sale Price
Amazon	$399
Guitar Center	$479.95
Musician's Friend	$479.95
Best Buy	$499

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Free Shipping Occasions Memorial Day Tech & Electronics Audio / Video Headphones, Headsets & Earbuds Sennheiser

Rating:	(4.5 out of 5 stars)
Reviews:	735 Amazon Reviews
Manufacturer:	Sonova
Model Number:	700240
Product SKU:	B0BRT1ZN7Q
ASIN:	B0BRT1ZN7Q
Brand:	Sennheiser
Item Dimensions LxWxH:	3 x 7 x 7 inches
Item Weight:	0.6613868 pounds
Item model number:	700240
Manufacturer:	Sonova

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

$400

$680

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