Picture 1 of 11











Gallery
Picture 1 of 11











Sennheiser HD 660S2 over-ear headphones
US $299.99
ApproximatelyC $409.37
Condition:
“TESTED USED GRADE B”
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Oops! Looks like we're having trouble connecting to our server.
Refresh your browser window to try again.
Shipping:
Free USPS Ground Advantage®.
Located in: Niles, Illinois, United States
Delivery:
Estimated between Mon, Jul 7 and Fri, Jul 11
Returns:
30 days return. Seller pays for return shipping.
Payments:
Shop with confidence
Seller assumes all responsibility for this listing.
eBay item number:156719976776
Item specifics
- Condition
- Used
- Seller Notes
- “TESTED USED GRADE B”
- Brand
- Sennheiser
- MPN
- 700240
- UPC
- 810091270370
- Model
- 700240
- Type
- Over-the-ear Headphones
- Connectivity
- 1/4",44mm
- Color
- Black
- Number of Earpieces
- 2
- Form Factor
- Fit Style: Over-ear
- Maximum Screen Size Fitment
- 0
- Maximum Weight Fitment
- 0
Item description from the seller
Seller feedback (10,820)
- w***e (29)- Feedback left by buyer.Past monthVerified purchaseAwesome A++++++ seller I made a mistake on my order and was able to contact them and they corrected it without issue. The headphones were shipped fast and packaged very well and are better than described in perfect almost new condition and look and function perfectly for a great value and quality. Truly a great ebay experience despite my mistake and I would not hesitate to buy from this seller !! Thank you again for the great deal and working with me
- m***p (1029)- Feedback left by buyer.Past 6 monthsVerified purchaseItem was packaged well and arrived without any damage. Item was as described. Seller was quick to answer any questions. Overall a positive experience. I would recommend this seller without hesitation.
- y***s (940)- Feedback left by buyer.Past monthVerified purchaseThe item was exactly as described. The packaging was excellent and protected the item. Shipping was not unreasonable. For the cost, the value far exceeds it. Highly recommend the seller.
Product ratings and reviews
Most relevant reviews
- Jun 03, 2024
one of the most excellent open backs ever made, gets a bit of Sub-bass extension at the cost of a dip in the 3-4kHz range for a wider soundstage with
Verified purchase: YesCondition: Pre-OwnedSold by: bugsy_72
- Nov 17, 2023
The best of the 600 series
Verified purchase: YesCondition: Pre-OwnedSold by: vikingc-85
- May 13, 2025
the best headphones
Verified purchase: YesCondition: Pre-OwnedSold by: giveliquidationllc
- Jan 14, 2025
Winner Winner
Verified purchase: YesCondition: NewSold by: ejuky
- Jun 04, 2025
Great item. Works great, especially with...
Verified purchase: YesCondition: Pre-OwnedSold by: dalen3257
More to explore:
- Sennheiser HD 4.50 Headphones,
- Sennheiser Headphones,
- Sennheiser HD 598 Headphones,
- Sennheiser HD 206 Headphones,
- Sennheiser Headphones with Rotating Ear Cups,
- Sennheiser HD 280 Pro Headphones,
- Black Sennheiser HD 4.50 Headphones,
- Sennheiser MOMENTUM Headphones,
- Sennheiser Wireless Headphones,
- Sennheiser Massdrop HD6XX Headphones