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Reposting as the prior thread has become too long.

[Stickied] The K7XX FAQ
As Audiophiles ourselves, we believe that headphone choice and sound perception are deeply personal. We understand that there will always be people who will not like the K7XX or do not agree with the design choices that have been influenced by the community. That being said, the K7XX is a set we are proud to recommend to newcomers and veterans alike.
With over 11K posts and discussions, you can imagine that almost every question has been both asked and answered by the community. A big thank you goes out to all of the community members who, over the course of the past year, have been answering questions and clearing up misconceptions. Below are a few of the most common ones asked.
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What’s the quick summary of the K7XX?
The idea and goal of the K7XX was to take the very best from across the AKG 700-series and create a definitive version designed by and for the audiophile community. Lastly, the goal was to offer this version at an incredible price to performance ratio. The following are a few of the key design features.

1. K702 65th Anniversary Edition Drivers: The K702 65th Anniversary Edition (“Annies”) drivers are considered by the audiophile community to be the best sounding driver in the 700-series family which was the reason it was selected for the K7XX.

2. Memory Foam Padding: Absent in the K701 and K702, the K7XX uses memory foam padding which was first introduced in the K702 65th Anniversary Edition. The impact of this choice is that the Annies and the K7XX maintain the same performance in the highs and mids that the 700-series are known for but with an improved 3dB bass increase.

3. Black Colorway: This one is new and unique to the K7XX and was a result of feedback from the Audiophile community during the design process. In general, there was a strong preference for a sleek all-black look. As project86 (a key contributor on Head-fi) puts it, “[the] K7XX is ninja black and gloriously free of any obnoxious accents. It's arguably the best looking variation in the history of the series.”

4. Same Build Quality & Manufacturing Process: The K7XX is built with the same quality and under the same manufacturing process as the rest of the 700-family. It’s made for audiophiles, and we know that everyone would expect no less.
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These seem to have a great price to performance ratio. Is it because the K7XX uses cheaper materials?
No.
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Where are these manufactured? How is the quality?
A common question that is asked is “where are these made?”. The entire 700-series family, including the K7XX, are produced in China. There is a misconception that AKG manufacturers their headphones in Austria and that there are still Austrian made 700-series available. As an additional point, even the K812 are now made in Slovakia (not Austria).
But the broader point is around production processes, quality control, and manufacturing tolerances. These are all principles and concepts that are geographically agnostic and instead depend on the manufacturer and the factory who are the ones who make the decision either to be detailed-oriented or to cut corners. AKG has a history of being the former and has consistently delivered. Lastly, there is a 2-year warranty on the K7XX.
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Do you need an amp?
The K7XX will work fine without an amp.
That said, an amplifier, in general, serves to provide clean power and control of the headphone drivers to deliver sound. A supplemental amplifier may sound better than the one bundled in your phone, which is designed for long battery life or earbuds, for example. The AKG K7XX is not a headphone that is known for being especially "difficult to drive" (as they say). You may, however, find benefits in the characteristics of certain amplifiers and how they interact with your source and headphones.
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Why is the MSRP “so high”?
MSRP refers to the Manufacturer’s Suggested Retail Price and is the price that the manufacturer recommends retailers sell the product. It does not mean the price that retailers will actually sell the product at and it does not mean the lowest price found online. While the last two examples may change based on sales and retailer pricing decisions, MSRP stays the same.
The MSRP for the K7XX reflects the MSRP of the K702 65th Anniversary Edition, the headphone that the K7XX can trace its ancestry too.
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How do these compare to the other headphones?
This has been a hard question for us to answer. Although we have collectively tried and tested hundreds of headphones, it's a challenge to provide an objective opinion (an oxymoron when talking about a hearing experience) as any answer will inevitably include subjective views. We do recommend checking out the comparisons in this discussion and in others (for example on Head-Fi: https://www.head-fi.org/f/threads/the-akg-k7xx-massdrop-first-edition-thread.743280/) to get a sense of how the K7XX compares. What we will say though is, as mentioned, one the goals was to offer this version at an incredible price to performance ratio and we are proud of the result.
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Dead right about each person's tastes and hearing being different, but in these days of online shopping, local shops with nice inventories you can try are rare, rare, rare. I've been lucky to find a couple of reviewers who loved headphones I owned and loved, and didn't like a couple that I didn't like... and for reasons reasonably close to my own reasons. Make no mistake... sometimes luck is required, and I lucked out to find reviewers whose tastes are close to mine.

Made me smile to see you loved the 701Q. I had the small on-ear Quincy Jones tuned headphones, which hold a record for me of my most stolen headphones. After my third set was swiped, I decided to not replace them. I'm a huge fan of Quincy Jones' arrangements, I suspected he'd want headphones tuned to sound like you were in the middle of the band, and that's exactly what he did.

Two of the headphone reviewers whose tastes are close to mine raved about the Massdrop 7xx. That got me to leap in. I encourage people to read around on the internet reviews and look for someone whose loves and hates come close to yours. But... so far, I've not read anyone who didn't like the 7xx from Massdrop. And I still maintain that the red headpieces sound better... but I'm big on pranks.
EdinNJ
Most online vendors have a very reasonable return policy. Massdrop does not. I understand that the model doesn't allow for this. One has to decide if the sometimes small savings and long waits are worth the gamble. Six months for the HD6XX ?? Holy patience !!
Red headpieces ? And here I thought it was all in the lime-green cables !!

PS ... the imaging the Q701's offer ... Yikes !! Same on the 7XX ??
After the 2 hours expire, can you no longer buy these headphones?
My K7xx arrived few days ago and I don't like the sound. As there was no mid and high, also no dynamics.
The cable was too long, with capacitance of almost 400pf. I cut the cable down to 1.2-1.3 meter, which lead to more life in sound.
I tried the sound with and without the pads, and decided that the pads reduced the volume and dynamics of the sound.
I used paper tape to cover the part of the pads closes to the ear speakers.
It resulted in much better sound. More mid, high, and dynamics. Not the most accurate yet, but much improved.
The paper tape tweak is an easy one. Hope to hear what others find.
A pad that is thinner will make better sound. That is my feeling..

I've had mine from Massdrop for a couple years now. Sound and comfort are both excellent, but I've now had to repair them twice because the wiring in the earpieces is shoddy. It's an easy fix with a soldering iron, but definitely not what I was expecting.
What dac/amp would be best to drive these?
cheap amp dac
Thank you Massdrop for the great products and pricing that brings us back, and reminding me of how much your shipping pact with FedEx sucks. Really, I had forgotten just how lousy FedEx can be.

Please allow folks to upgrade shipping options.
My K7XX arrived today. They sound quite satisfying right out of the box but I'll give them time to settle in before making a more detailed assessment. I like the wide soundscape. They are quite easy to drive on low gain on L.P. G109S, Jotunheim and Ember.
I like deeper base. These or the 6xx from sennheiser? Trying to into the Audiophile scene, and learning as I go. Would love some advice from you guys thanks!
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My bad thought they could be had for under $350. I got mine broken in for $170, maybe get a lightly used pair from HeadFi that is if you want more bass. Amazing sound stage too, imo. Tell you another thing, the are THE most comfortable headphones I've ever had.
It depends on where you live, in Europe you can have the K712's for €210 through Amazon with Prime shipping, about the same price as the K7XX or the 6XX after import taxes, so it's still worth considering them as an alternative
I started a youtube channel and here is my review of these headphones. https://www.youtube.com/watch?v=qs6dBU-uhPM
Excellent headphones, one of my favorites. The only issue is quality control, as you will most likely need to repair them. These are currently on my repair bench :(
Wondering why the features photo is a woman wearing these outdoors when they obviously aren't designed for that, right down to the long cable with 1/4 plug.
How would these compare to some hd700 ? I’m thinking about trading out the 7xx for the hd700s. Wondering if it would be a worth while upgrade??
DillonHightower
Forgot to mention. I like the sound stage as they will mostly be using them for gaming
All I care about is whether my reference headphones are unhyped. These are that, and so far, I am loving them.
I am a mixing and mastering engineer by trade for what it's worth. Happy with my investment.
mrhallman
Would love to hear more about your mixing /mastering experiences with the K7xx. Thinking about using these with my simple DAW setup.
mrhallman
Steve, I use headphones as one of six different referencing systems in mixing and mastering. These and my Grado RS2 headphones sound the closest to my studio monitors and have actually uncovered some things I missed.

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