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Disclaimer: This is not an official Beyerdynamic product, nor is this a DIY guide. "A truly high end audiophile grade headset," this is a statement that I sadly have not been able to make about any product. They never seem to have all of the features that Iwant in a high end headset, and they never have what they need to be a high end audiophile grade headset. Most have fairly low resistances which I don't think could be justified for the typical audiophile desktop home setup. Quite a few have semi- or fully- open backed designs, which for me can't be justified with use of a microphone that is next to your face (unless if it has great ambient noise cancellation and your volume is perhaps low with say a semi- and not fully- open backed headphones). And none of them have the detailed sound quality of a T1 or HD800 (none of them are even in that price range), at best there are perhaps headsets that are are par with the Beyerdynamic DT line in terms of detailed sound. And the last thing that makes a pair of headphones into an actual headset: the mic. I'd say that the majority of microphones that are integrated with audiophile grade headsets generally aren't that good, granted when gaming I don't necessarily care how I sound to my friends so long as they can understand me, but I'd still like for there to be a standard set in place for headset mics because I don't like hearing my friends voices being carried as fuzz audio and I know that as fellow audiophiles they think the same thing about my voice. I don't like having add-on solutions like modmic either because I don't like having a second cable and it makes me mad having a magnet so close to my drivers (even if the distortion is very minimal, I already pay top dollar just to not hear that) when they could have designed the modmic to have a clasp or ball-in-socket method of attachment. High impedance (600 ohms if possible) No noise leakage:Closed-backed An adequate seal:Adequate clamping pressure/force Non-perforated leather earpads Detailed sounding high end drivers with a fairly neutral sound signature A decent sounding mic Mic has to pickup sound below 50Hz to catch all of the overtones of my deep voice No separate mic cable (other that the two heads at the ends) No magnetic attachment mics An overall comfortable design:All non-synthetic materials are preferred Soft, but dense viscoelastic foams are preferred (e.g. memory foam) Since nothing like this was out there I decided that I'd just create my own: Here's the full list of components used (I ordered most of the individual parts directly from Beyerdynamic Germany): A used Custom One Pro (for it's housing, jack, and metal band) Black Leather Beyerdynamic HS 800 aviator headband Black Leather Beyerdynamic HS 800 viscoelastic (memory) foam earpads (that are not perforated) Gen.1 T1 drivers (there was no Gen.2 at the time) T1 ironing bracket and sliding kit (mostly for aesthetics, but it is a little bit more comfortable since the ear cups have greater rotation) Beyerdynamic COP Headset Gear Custom One Pro Microphone cable A few other cables for when I am using my desktop mic or smart phone A Custom Cans Mass Loading and damping kit And a decent 3 channel (R+, R-, and an additional ground) wire cable to route in between the ear cups (I enlarged the wholes to make it fit and sealed it with a rubber gasket) These mods weren't done with an absent mind. I understood that since the original T1 driver was designed for a semi-open backed housing, placing the drivers into this housing caused the bass drop significantly. Two things were done to fine tune the bass to increase it back to it's original levels while still being in the COP housing. First, I enlarged the bassports (not too much though, otherwise this would basically still be a semi-open backed headphone) and set the bassport to position 4. Second, those leather earpads are non-perforated memory foam pads that help create a better seal, doing this significantly increases the bass relative to the rest of the sound. After that it was just a matter of fine tuning the bassports until the bass was perfect. This headset actually is dampened, and sounds a lot better than my undampened T1. I found this kit to be the best dampening for this particular build as nothing else work sonically and because of the tight fit: My impressions on the sound of this compared to a regular T1 is that this sounds quite a bit louder, it has a significant more amount of isolation, the soundstage illusion is a bit less, and they more or less actually sound the same other than the hot treble spikes not being present in the Custom T1. I'd say that overall out of the two this one is far more comfortable. Since this isn't a DIY guide or anything I won't be posting on how to make this in the comments. I won't be making a DIY thread either unless if you guys were REALLY interested since that would take up quite a bit of my time. If you have any questions, requests, criticisms, or helpful advice about these headphones, then feel free to join the discussion down below.

You may have seen or heard about these before, so here is a review and my thoughts towards these headphone. The reason I decided to make this review is because Slick said he bought a pair of these and I thought some of you might be interested to find out a little bit more about them. I apologize in advanced as I used a phone camera to take the photos, so lets hope they turn out well! (I have only ever seen the black and the white versions for sale) Overall look and feel I wouldn't say they are a good looking par of cans, (pun intended :P) but they do have a good quality look and feel to them. The reason why they are called the 'Custom One Pros' (or the COPs for short) is because you customize the aesthetics and the sound of these headphones. These headphones are reasonably light weight, but they they have a high pressure clasp on your head for it to stay on and also act as noise cancellation. They are said to cancel out around 18dB of noise. The head pads and the ear cup pads are made of pleather. (good for noise cancellation, but bad for summer). Because of the light weight-ness of the headphones and also the cushiony feel on the headrest , you don't really feel it pushing down on your head. The high pressure clasp it has on your head could be annoying to some, as it may put pressure on your jaw muscles that are near you ears. Audio Quality Now, I'm in no way an audiophile, but I do have a general idea of what sounds good. In my music, I do have a lot of 'bass heavy' songs so my opinion may be a little biased. If you want a descriptive and professional opinion of what the sound is like then may I suggest looking at some of the Youtube videos and the written reviews that are done by the audiophiles. So for a basic description: With the bass ports completely open, you get a full head pounding sensation (in a good way) of the music. With the bass ports completely closed, you get a sound that more emphasizes the highs, which may sound good for talking videos. Turning the volume up, I find it that, in simple words, the music gets louder. I feel that there is no distortion whatsoever and that you tend to pick up on little things of a song that you didn't know were there. So in other words, I find the clarity is amazing, the bass literately shakes your head, and you get a good range of the mids and high as well as the lows. What is customizable / changeable? - Ear pads - Head cushion - Cup Rings - Cup custom metal plate - Bass air port - 3.5mm AUX Cable You can purchase the available different coloured pads for the COPs and even silver velour ear cups that are from the EDT 770 V headphones, in case you don't like the 'pleather' feel. The Bass Ports The base ports are a slider on each cup that can allow more or less air in. The more air allowed to me moved in and out will result in more bass. Closing up the ports will make the bass tighter but there will be less doof doof. Below is a picture of the bass port fully open. Below is a picture of the bass port 2 thirds open. If you would like to, you could compare the bass port to the breathing hole on a sub-woofer. If you block the hole you will starve it of air and the sound will close up, and if left open it will punch through air like no tomorrow. Detachable cable You can completely replace the cable if it were to break. BUT THERE IS A DOWNSIDE!!!! There is a little notch on the housing as well as a groove on the cable that allows the thing to fit into the thing This means that not all cables will fit into the housing of the headphones. Below are images of what I mean. Because of that notch, you can't fit a AUX cable in that has a fat housing. You can, however, fit a slim housing cable and it won't be block by that notch. Another approach is to use an X-acto knife to cut off the notch so you could fit almost any AUX cable in. Below is an image of the groove in the cable that slots into the notch. The other end of the cable has a thread on it so it can be screwed onto the 6.3mm adapter. Padding The headphones have an extremely soft headband pad, and a reasonably soft ear pads. Both of which are using a soft or slow rebounding foam. This should make it comfortable the moment you put them on. The head pad is using 'hook and loop' for it to be attached and detached from the headband. Below are some images of the ear padding and the head rest. Custom plates or 'tags' On the side of each ear can, there is a metal plate which can be changed. To change them you just unscrew the 4 screws on the plastic bracket and underneath it will be the 1mm or something thick metal plate. Beyerdynamic have said you can send them an image of whatever you want, and they will print it on the tags for you. If you were keen, you could use the other side of the existing metal plate and paint you own logo. Below is a side on picture of the COP showing the custom plate. The 'Burn In' I've read and heard countless times that you have to burn in the headphones. By doing this you make the sound stage open up and mature. This gives it a richer sort of sound. It has been recommenced that around 50 hours of burn in time is optimal. To burn in a headset, basically you just lay them down and play music through them for 50 hours straight. My suggestion is to have the volume up just a little louder than regular listening levels. I think there are programs that do the burn in for you, where they cover every sound pitch possibly to fully give your headphones a work out. Personal Thoughts Overall, I find that the Custom One Pros are an exceptional pair of headphones. What I love about them is that they can cancel a good amount of environmental noise, and they can be modded. At home I have CM Storm Sirus 5.1 'gaming' headset, Sennheiser HD 438, and a few ear bud headphones. Compared to those headphones, the COPs completely blow them out of the water. Bad experience When I got these, the cable that they came with would only half work. I had to wiggle and apply pressure on the jack for it to get the proper sound. The 3.5mm had a bad connection. I tried a number of things to try and fix it, like using a hairdryer to try and expand the connector, but it did nothing. So straight away I had to find a slim housing cable that would fit into the headphones. Other than that, these headphones are an absolute delight to have, and I wub dem!! :rolleyes: -- UPDATE!!! -- Custom Padding -- I just received the white ear pads and the white head pad, so this is what they look like: I do have plans to paint the rings that hold the metal plates white. Also possibly do some sort of logo on the metal plates. Another thing...... I will probably be getting a bright green AUX cable to suit. (preferably braided) This is just an example of what you can do with your Custom One Pros! :lol: Thanks for reading! Feel free to ask any questions, I'll try to answer them to the best of my ability.

Slick's Headphones are on sale in Germany. Decent but not super hot deal! http://www.zackzack.de/html/detail/zackzack.html?itemId=20732&tabber=2 The Site is powered by Alternate.de The Deal is only available until the 9th of December at 6 PM CEST (18:00 Uhr) I'm not sure if they deliver it outside of Germany.

So as title suggests im getting them for around 153-155. Thats in Aus dollars so in Us its 143. Is that a good deal? And will the maximus vi formula's on board audio be good enough to drive them since im paying a premium for it.