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shivster1796 9.6K Views
Oct 8, 2025 1:04 PM

New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight)

$159

$219

27% off
+ Free Shippingat Drop
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Deal Details
Drop has for New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $159 when you follow the deal instructions below. Shipping is free.

Thanks to Community Member shivster1796 for sharing this deal.

Deal Instructions:
  1. Go to MassdropX Sennheiser HD 6XX Headphones
  2. Click the "SIGN UP" button on the top right of the page. A new email address must be used for signup.
  3. Email with subject "Thanks for Joining Drop" typically arrives in up to 15 minutes (Check spam folder if it hasn't arrived in inbox after this time)
  4. You will receive a unique $10 off promo link (click through "Hello, Here's $10 on us" in email)
  5. Add headphones to cart
  6. $10 discount will be automatically applied in cart
  7. Final price should be $159 + Free Shipping
Features:
  • Transducer principle: Open, dynamic
  • Frequency response: 10 Hz – 41 kHz
  • THD: < 0.05%
  • Nominal impedance: 300 ohm
  • Cable length: 6' (1.8 m)
  • Connector: â…›'' (3.5 mm)
  • Weight without cable: 9.2 oz (260 g)
  • Includes ⅛–¼'' (3.5–6.35 mm) adapter

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
  • About this item:
    • Includes 2-Year Warranty
  • About this store:
    • Drop.com offers a 30-Day Return Policy
  • Additional Note:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by shivster1796
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Drop has for New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $159 when you follow the deal instructions below. Shipping is free.

Thanks to Community Member shivster1796 for sharing this deal.

Deal Instructions:
  1. Go to MassdropX Sennheiser HD 6XX Headphones
  2. Click the "SIGN UP" button on the top right of the page. A new email address must be used for signup.
  3. Email with subject "Thanks for Joining Drop" typically arrives in up to 15 minutes (Check spam folder if it hasn't arrived in inbox after this time)
  4. You will receive a unique $10 off promo link (click through "Hello, Here's $10 on us" in email)
  5. Add headphones to cart
  6. $10 discount will be automatically applied in cart
  7. Final price should be $159 + Free Shipping
Features:
  • Transducer principle: Open, dynamic
  • Frequency response: 10 Hz – 41 kHz
  • THD: < 0.05%
  • Nominal impedance: 300 ohm
  • Cable length: 6' (1.8 m)
  • Connector: â…›'' (3.5 mm)
  • Weight without cable: 9.2 oz (260 g)
  • Includes ⅛–¼'' (3.5–6.35 mm) adapter

Editor's Notes

Written by SubZero5 | Staff
  • About this deal:
  • About this item:
    • Includes 2-Year Warranty
  • About this store:
    • Drop.com offers a 30-Day Return Policy
  • Additional Note:
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by shivster1796

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Top Comments

jhollenbeak
110Comments
14Reputation
Great cans but at 300 ohms you really need a dedicated headphone amp to reach full potential. I prefer the ATH-M50x for use on PC, tablet, phone, etc.
Go to Comment
killerrabbit1961
1.8KComments
341Reputation
I have both the Sennheiser and the Hifiman. I bought the Sennheiser first, and when I heard the Hifiman I liked them, but was not impressed. As far as I'm concerned, they are just different, without one being significantly better.
Go to Comment
BraveLumber1937
57Comments
10Reputation
great deal thanks. dont forget to use $10 email coupon. bought one but I've got 7 pairs of headphones. wish I had more ears and time.
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23 Comments

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Oct 8, 2025 1:52 PM
57 Comments
Joined Nov 2018
BraveLumber1937Oct 8, 2025 1:52 PM
57 Comments

Our community has rated this post as helpful. If you agree, why not thank

great deal thanks. dont forget to use $10 email coupon. bought one but I've got 7 pairs of headphones. wish I had more ears and time.
1
Oct 8, 2025 2:23 PM
520 Comments
Joined Mar 2012
LivyatanOct 8, 2025 2:23 PM
520 Comments
introduction to the audiophile world, the hd6xx is amazing for its price point. This headphone is highly recommended. It punches up its weight division. If you check review websites or videos the hd6xx is always talked about
Oct 8, 2025 2:29 PM
97 Comments
Joined Nov 2020
CheesyParmegianaOct 8, 2025 2:29 PM
97 Comments
The deal is okay, the headphones are amazing! Definitely use the $10 coupon. I bought this 2 years ago for $200 and it's been my favorite headphones ever since.
Oct 8, 2025 2:38 PM
33 Comments
Joined Oct 2023
CheesecakegoodOct 8, 2025 2:38 PM
33 Comments
Note these are open back, but often that's not as limiting as you might imagine if for example you're using them at home, but also the sound leakage isn't too terrible unless you have them pretty loud. And in fact, they breathe better and so tend to be a little more comfortable. Some people might get some mileage out of stretching the metal headband a bit though because they tend to be a little tight out of the box if I remember correctly.
Oct 8, 2025 3:06 PM
3 Comments
Joined May 2020
ElatedWallaby291Oct 8, 2025 3:06 PM
3 Comments
I have these and they're awesome. Definitely worth grabbing a pair if you're looking for a really nice set of open back over ear cans.
Oct 8, 2025 3:20 PM
32 Comments
Joined Sep 2019
dukesmithOct 8, 2025 3:20 PM
32 Comments
These are classics (basically a Sennheiser HD650). But if you want more "wow factor," I would say go for Hifiman Edition XS, which is also on Slickdeal sale right now. Or get both to hear the difference between Dynamic driver vs Planar magnet!
6
Oct 8, 2025 3:52 PM
163 Comments
Joined Aug 2008
agoldenbbOct 8, 2025 3:52 PM
163 Comments
How do you get the $10 coupon to work? I have a message at the top of the screen saying "Your automatically applied $10 WELCOME COUPON is active! Click here for eligible products, valid through October 15, 2025." but it is not taking anything off when I go to check out. I added the HD6XX from the link for eligible products too.

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Oct 8, 2025 4:20 PM
25 Comments
Joined Nov 2021

This comment has been rated as unhelpful by Slickdeals users.

Oct 8, 2025 5:53 PM
929 Comments
Joined Oct 2014
SolarBirdPipeOct 8, 2025 5:53 PM
929 Comments
I already own HD550 and Sundara, will these offer anything significantly different sound signature or improvement to justify the purchase?
Oct 8, 2025 6:07 PM
1.8K Comments
Joined Apr 2017
killerrabbit1961Oct 8, 2025 6:07 PM
1.8K Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from dukesmith View quoted comment :
These are classics (basically a Sennheiser HD650). But if you want more "wow factor," I would say go for Hifiman Edition XS, which is also on Slickdeal sale right now. Or get both to hear the difference between Dynamic driver vs Planar magnet!
I have both the Sennheiser and the Hifiman. I bought the Sennheiser first, and when I heard the Hifiman I liked them, but was not impressed. As far as I'm concerned, they are just different, without one being significantly better.
3
1
Oct 8, 2025 6:22 PM
110 Comments
Joined Mar 2019
euuser20351860Oct 8, 2025 6:22 PM
110 Comments

Our community has rated this post as helpful. If you agree, why not thank

Great cans but at 300 ohms you really need a dedicated headphone amp to reach full potential. I prefer the ATH-M50x for use on PC, tablet, phone, etc.
5
1
1
Oct 8, 2025 7:27 PM
1.7K Comments
Joined Nov 2010
YingTKOct 8, 2025 7:27 PM
1.7K Comments
Quote from PurpleTest9932 View quoted comment :
These are great, but for $20-40 more, you could get a pair of Hifiman planar headphones like the Ananda or Edition XS, which are in a completely different league. If you search Slickdeals, you can find Anandas for as low as $188.
I'm actually coming from retiring Sandara, Edition XS, Ananda stealth, purchasing these and hoping to like them. I like the Hifimans I've owned, but looking for something that brings more "emotions". From reviews, it sounded like the HD6xx series might do. We'll see how it goes!
Oct 8, 2025 10:07 PM
9.5K Comments
Joined Jul 2006
NattefrostOct 8, 2025 10:07 PM
9.5K Comments
Don't notice any difference between these and my Philips 9500
2
1
Oct 9, 2025 1:53 AM
108 Comments
Joined Sep 2017
constructordemarcasOct 9, 2025 1:53 AM
108 Comments
is this worth it if a already have the 58x?

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Oct 9, 2025 3:39 AM
256 Comments
Joined Feb 2019
Luds34Oct 9, 2025 3:39 AM
256 Comments
Quote from PurpleTest9932 View quoted comment :
These are great, but for $20-40 more, you could get a pair of Hifiman planar headphones like the Ananda or Edition XS, which are in a completely different league. If you search Slickdeals, you can find Anandas for as low as $188.
I own both and to say the Edition XS are in a "different league" is a big exaggeration. From a pure sound quality standpoint it will depend on what you listen too. The XS is more punchy in the bass and a little bright (to be kind). Vocals shine on the 6xx but still has very good lows and highs.

Build quality is my biggest issue with Hifiman in general, the Edition XS is no exception. The headband is pretty awful and uncomfortable after an hour or so (hot). Lots of complaints of squeaks, sounds while just wearing them.

At these price points, and if I could only have one, it's the 6xx. However, if you have the budget I'd suggest the 660S2 (also on sale) from Sennheiser or looking at the Ananda Nano or even moving up to a Arya Stealth from hifiman. Both also can be had "on sale" with either refurb or open box deals.
Last edited by Luds34 October 8, 2025 at 08:44 PM.
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