Massdrop x HIFIMAN HE4XX Planar Magnetic Headphonessearch
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Massdrop x HIFIMAN HE4XX Planar Magnetic Headphones

Massdrop x HIFIMAN HE4XX Planar Magnetic Headphones

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Hello friends, welcome to our latest Massdrop collaboration announcement!
From our first conversation with Fang, we wanted to work on an accessible priced, open back, planar driver headphone, based on the HE-400 line (HE-4, HE-400, HE-400i, HE-400S, etc). Initially, the conversation wasn’t going anywhere, but following the success of the HE-350 and RE-00, we started to make progress. In the year since those launches, we’ve worked closely with the team at HIFIMAN to develop the 4XX, based on the related Massdrop community activity.
Here are some of the parts I’m most excited about:
HIFIMAN Planar Drivers - This is the tech that put HIFIMAN on the map. When reviewing planar magnetic headphones, most people talk about the speed of the driver and the low frequency “slam”. Speed (as a subjective term) generally creates a greater sense of realism; after you reach the point of diminishing returns on resolution, speed is (imo) going to have a huge impact on your experience. Through our collaboration, this technology is available at an all time low cost of $169.99.
Focus-A Earpads - Earpads have a massive impact on the sound, and an even bigger impact on the comfort of the headphone. Unfortunately, we often have to compromise here, choosing a less comfortable earpad because it results in better acoustic performance. Focus-A pads are universally regarded as incredibly comfortable. Soft velour is the only material that contacts your skin, and the foam inside is soft to match.
New Headband + Colorway - Where HiFiMAN’s original headband design had some structural challenges (heavy materials, small contact points), they had a stylistic elegance few would debate (unless you’re a Float fan, then you get to complain). In working on this collaboration, we were able to bring back the original headband structure, while solving the construction problems cited in Massdrop discussions. The colorway is new as well, featuring midnight blue earcups with black accents throughout.
Thanks for your interest and feel free to respond here with questions. That said, if the answer to your question is clearly stated in the description, I will apply a 10 day shipping delay to your next Massdrop order (jk but please read, our team spends tons of time making the descriptions as useful as possible).

This has been a great project and we’re excited to finally make the announcement : )
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It's Hifiman, not Massdrop. They are more and more becoming known for their poor QC. I'm guessing you've got a bad solder joint, but if you start messing with that kind of stuff, I'm sure Massdrop/Hifiman will blame the trouble on you...
Heefty
ill not touch anything. Just wrote to the supports i hope they will bee helpful and not leave me hanging with a their bad product. Btw i found a guy in whats hifi complaining from the same as me. No answers thou.
Hey Everyone,
Thank you all for making the HE-4XX a huge success! It’s been great to see comments and reviews of the headphones start to come in as people receive them. The remainder of 4XX orders are on the way to all purchasers.
And the reviews have been great so far! A few select quotes from members in the discussion below:
“Probably the best product I’ve bought on Massdrop. These headphones are absolute heaven. “ @Sense

“The highs are high the lows are low, the sound is sparkling and crisp. Well rounded notes like a fine wine. For the money, you can't get any better!” @fisherman58

“Wow.... Just got mine a moment ago, plugged it into my Note 8, and they literally blew me away.” @Zaren
Knowing that all of the original drop headphones have been delivered or are on their way, we have another exciting update for anyone who missed out on the previous round.
We’re pleased to announce the 4XX is dropping again starting today! These units are from a different production batch, but HiFiMAN was able to deliver them ahead of schedule. After shipping out our units to members in the original drop, our team was able to finish QC of the new batch and is ready for them to be added to our ‘Massdrop Made’ collection as an in-stock drop with 1,900 units available.
Thank you all for being a part of this drop. We’re excited to be able to have even more members get their hands on a HE-4XX.
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What are you using for an amp?
VBar
S.M.S.L. Sanskrit 6 into a Schiit Vali 2

take it with a grain of salt though as I literally opened the box 30 min ago, and its just a first impression.
This update is for members who joined the drop in March (3/2 - 3/3):
Updated 5/21:
The Massdrop x HIFIMAN HE4XX Planar Magnetic Headphones have arrived at the warehouse and the team is wrapping up quality control checks. The headphones are starting to ship and we expect all units to ship by tomorrow (May 22).

We apologize for the slight delay, and we’re looking forward to you receiving the Massdrop x HIFIMAN HE4XX Planar Magnetic Headphones!

Updated 5/10:
Hi everyone,
We have an update on the Massdrop x HIFIMAN HE4XX Planar Magnetic Headphones. There was a slight delay in production, and we now estimate that the headphones will ship at the end of the month (by May 31).
The headphones are currently wrapping up production and they’re expected to arrive at our warehouse in about a week. Once they arrive they will go through the receiving and quality control check process. We’ll provide an update at this time with the latest information.
We apologize for this delay and can you assure the team is doing the best they can to get the headphones prepared for shipment in a timely manner. If you don’t want to wait the additional time, you can cancel your order via the transactions page: https://www.massdrop.com/transactions
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Makes it even harder when zeos just released a review of these 2 days ago. Got me that much more hyped up for next week
AveryC
Well I've waited this long, things happen and QC is important, do it right! Thanks for the update, anticipation grows...
has the quality improved for this drop? im concerned seeing all the quality issues several ppl had with this headphones.
Damn HiFiMan!!! I really wanted to join this drop even after asking for it numerous times but seeing all the quality control issues, I'd just rather invest in something that I don't have to DIY. I DIY enough already and seeing the amount of money being spent, nobody should have to DIY your cans.
Cheap Garbage cans that sounds alright but that breaks very quickly and soon you will have a piece of junk to get rid of. How a design could be so bad implemented with all the good headphones out there to copy from is hard to understand. Do not purchase this and ask for a re-design and a fix of the stupid screw that keeps the headband to the cups. Shame on you HIFIMAN and MASSDROP. So many people had broken headphones within days and still nothing has been done to rectify the problem. Money Grabbers!
HIFI778
The headphones come with a 1-year warranty. Won't Massdrop fix/replace headphones that break due to build/assembly issues?
mattris
One year??? LOL... This headphone becomes unuseable when the screw snaps... Do you use a headphone only for a year? After that buy a new one?
Anyone have opinions on these vs the 58x's? Would the different drivers make a tangible difference in sound for someone that's less an audiophile and more of an avid music listener?
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So what kinds of differences are there in different genres of music? Sorry if these are really dumb questions I just see people saying these are "fast" with no real explanation
domcobb1
I couldn't really tell you as I listen to mostly rock. The 4xx have nice bass mids and highs to me and the 58x have really nice sub bass, mids seem pulled back a bit and highs are really smooth.
Any chance this will come back again or this thing done?
zep483
It just started again :)
Bring these back!