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expiredshivster1796 posted Today 12:50 PM
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expiredshivster1796 posted Today 12:50 PM

Massdrop x Sennheiser HD 6XX Open-Back Headphones (Midnight Blue)

+ Free S/H

$149

$200

25% off
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Deal Details
Drop has Massdrop x Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $169 - Extra $20 Off $100+ w/ discount code JAN26 (apply in cart) = $149. Shipping is free.

Thanks to community member shivster1796 for finding this deal

Note, must apply the listed discount code in cart for discount to apply

Editor's Notes

Written by Discombobulated | Staff
  • Price Research
    • This is the best/lowest price available. Previously, we've promoted this deal for $159+
  • About the Deal
    • Revision of the popular all-rounder, the Massdrop x Sennheiser HD 6XX, great sound plus a few updates & highly rated; product is made in Ireland
    • Offer valid while promotional discount/supplies last
  • Additional Details
    • Product is eligible for return within 30 days of delivery (in new, unused condition)

Original Post

Written by shivster1796
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Drop has Massdrop x Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $169 - Extra $20 Off $100+ w/ discount code JAN26 (apply in cart) = $149. Shipping is free.

Thanks to community member shivster1796 for finding this deal

Note, must apply the listed discount code in cart for discount to apply

Editor's Notes

Written by Discombobulated | Staff
  • Price Research
    • This is the best/lowest price available. Previously, we've promoted this deal for $159+
  • About the Deal
    • Revision of the popular all-rounder, the Massdrop x Sennheiser HD 6XX, great sound plus a few updates & highly rated; product is made in Ireland
    • Offer valid while promotional discount/supplies last
  • Additional Details
    • Product is eligible for return within 30 days of delivery (in new, unused condition)

Original Post

Written by shivster1796

Community Voting

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+63
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Top Comments

TheEdge
9441 Posts
2629 Reputation
These are a great buy at this price. A lot of folks in the "hobby" have this in their arsenal. Can't recall the last time I've seen them new at this price point.

32 Comments

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Today 04:58 PM
388 Posts
Joined Dec 2013
loboblastToday 04:58 PM
388 Posts
I can't remember clearly but I think bought the Sennheiser HD 58X Jubilee at this price when it was considered a slickdeal back in the day.
Today 05:11 PM
130 Posts
Joined Feb 2009
captouchToday 05:11 PM
130 Posts
Quote from alxshanti :
Grabbed a pair last year. Have them plugged in to the Receiver's Headphones jack. Seems to work well wondering if any of you using them with an amp. Would that make a significant improvement in sound quality? If so, which amp would you recommend?
I use a Bottlehead Crack. It's a tube amp kit you put together yourself. It's meant for high impedance cans like these.
Today 05:13 PM
73 Posts
Joined Feb 2018
K-LAWNToday 05:13 PM
73 Posts
Quote from miken5678 :
Picked up the last deal for the 599.
https://slickdeals.net/f/19121770-99-95-sennheiser-hd-599-se-around-ear-open-back-headphone-black-at-amazon

Wondering if I should switch to these, not a huge price increase.
In my opinion, it is worth it to switch to the 6xx for $49. They are timeless headphones that will last decades. I still have my original 650 from 2004.
Today 05:36 PM
23 Posts
Joined Sep 2012
seanc9781Today 05:36 PM
23 Posts

Our community has rated this post as helpful. If you agree, why not thank seanc9781

Quote from miken5678 :
Picked up the last deal for the 599.
https://slickdeals.net/f/19121770-99-95-sennheiser-hd-599-se-around-ear-open-back-headphone-black-at-amazon

Wondering if I should switch to these, not a huge price increase.
When I first started looking for a good set of headphones I was unable to try them out locally so I ended up getting a few sets off amazon and trying them out and returning what I did not want. I tried the HD600, HD650 and the Beyerdynamic DT 770 Pro. For me the HD600 lacked bass, the DT 770 had bloated bass, but the HD650 was just right. I ended up buying the HD6xx and was unable to decern any difference in sound between them and the HD650.

Only thing I would say is you will be unlikely to drive the HD6xx properly with a phone or Apple headphone dongle. I ended up getting a Hidizs S9 Pro dongle and a set of balanced cables (running balanced cables effectively doubles the output for electronics reasons I dont fully understand) that drives them very well. This unfortunately adds to the cost of everything but the whole set is an absolute treat.
2
Today 05:37 PM
23 Posts
Joined Sep 2012
seanc9781Today 05:37 PM
23 Posts
Quote from miken5678 :
Picked up the last deal for the 599.
https://slickdeals.net/f/19121770-99-95-sennheiser-hd-599-se-around-ear-open-back-headphone-black-at-amazon

Wondering if I should switch to these, not a huge price increase.
If you have Amazon Prime you can try and return headphones. When I first started looking for a good set of headphones I was unable to try them out locally so I ended up getting a few sets off amazon and trying them out and returning what I did not want.

I tried the HD600, HD650 and the Beyerdynamic DT 770 Pro. For me the HD600 lacked bass, the DT 770 had bloated bass, but the HD650 was just right. I ended up buying the HD6xx and was unable to decern any difference in sound between them and the HD650.

Only thing I would say is you will be unlikely to drive the HD6xx properly with a phone or Apple headphone dongle. I ended up getting a Hidizs S9 Pro dongle and a set of balanced cables (running balanced cables effectively doubles the output for electronics reasons I dont fully understand) that drives them very well. This unfortunately adds to the cost of everything but the whole set is an absolute treat.
Pro
Today 06:15 PM
2,448 Posts
Joined Jul 2014
bert90987
Pro
Today 06:15 PM
2,448 Posts
Quote from Jlowe :
I'm sure you've checked sites like this, and it's not firsthand experience, but just in case:
https://www.rtings.com/headphones...02/245/332
Thanks, yep, I did review this. I appreciate it.
Pro
Today 06:21 PM
6,714 Posts
Joined Oct 2005
sleepybubba
Pro
Today 06:21 PM
6,714 Posts
Quote from TheEdge :
These are a great buy at this price. A lot of folks in the "hobby" have this in their arsenal. Can't recall the last time I've seen them new at this price point.
You'd think your single post was not enough, so you posted the second time?
3

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Today 06:49 PM
41 Posts
Joined Aug 2019
tylerstravisToday 06:49 PM
41 Posts
Great set of cans that are very musical. You will need an amp. I still keep these on hand for vocals despite having headphones 10x the price.
Today 07:05 PM
1 Posts
Joined Apr 2014
SelvayenToday 07:05 PM
1 Posts
I bought a pair of the hd6xx from massdrop almost 10 years ago and they are still going strong. I've had to replace the cord and the pads, but both are modular so it's incredibly easy. Fantastic headphones for the price.
Today 07:20 PM
9 Posts
Joined Jun 2020
BluePenguin8770Today 07:20 PM
9 Posts
Any recommendations for a DAC to use between my computer and these? I am in the same boat as a lot of other users where I ordered the HD599's yesterday and these today.
Today 07:24 PM
53 Posts
Joined Dec 2013
BoomerDToday 07:24 PM
53 Posts
Nice headphones, but if you're going to use them with a PC, you'll need a good DAC/amp to power them. (300 ohms)
Today 07:25 PM
249 Posts
Joined Jan 2008
jameskpolk97Today 07:25 PM
249 Posts
code is dead :-(
Today 07:26 PM
81 Posts
Joined May 2007
jhathToday 07:26 PM
81 Posts
This discount has reached its usage limit
Today 07:30 PM
73 Posts
Joined May 2021
FattyhaggToday 07:30 PM
73 Posts
Quote from BluePenguin8770 :
Any recommendations for a DAC to use between my computer and these? I am in the same boat as a lot of other users where I ordered the HD599's yesterday and these today.
The JDS Labs Atom DAC is a good basic DAC at a reasonable price if you like uncolored sound. I have the Atom DAC 2, which cost about $75.00 used.
Last edited by Fattyhagg January 27, 2026 at 12:33 PM.

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Today 07:36 PM
76 Posts
Joined Sep 2022
Enlightened0n3Today 07:36 PM
76 Posts
Quote from bert90987 :
Does anyone have firsthand experience with the HD6xx compared to the K702? It seems like the K702 has more detail and air. Just curious. Thanks
I have both the HD6xx and K702 and the K7xx. I use them for different things.

The K702 and K7xx have a huge sound stage. The K702 is tuned a bit bright so excels in sound separation in jazz, instrumental music(classical guitar etc), they EQ really well so they can be tuned down or up. Out the box they are a bit weak on bass. They EQ really well, again, it's amazing. They are phenomenal for gaming, the positional audio cues in games makes it a game changer. The K7XX fixes a lot of the chief complaints in the K702s without EQ but these EQ well as well. I use tube amps and a DAC to correct the K series sound to my liking and added a bit of warmth. The K series also have a VERY low noise floor. It exposes really bad input sources so keep that in mind when pairing with a tube amp(hissing). Construction on the K702 I dislike, too many moving parts. Within a year my plastic guides for the elastic has broke which doesn't affect the fit or function, it just feels cheap like a Koss or something which sucks. It's comfortable though for hours of use. The K7XX have since replaced my K702s but I'd use either.

The HD6XX have a 'veil' over them if you come from brighter headphones. I find them pleasant and easy to listen too. Great clarity and more of a personal sound to them compared to the K series. I use these for work when listening to podcasts, videos, and media, nothing critical. They are also easy to drive and just a overall really pleasant sound. I have not done critical listening with them and only have a small USB Fiio KA3 amp(which honestly it doesn't need). Has a high noise floor. Also very comfortable. Better built as well.

I don't think you can go wrong if you have different use cases for them. I have two PCs so i have different use cases. Maybe that would fit for you too.

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