Due to my 1st thread is "corrupted" so I start brand new thread to document my review.
Just gotten my custom IEM on 5/25, so now still burning in process (target 100hours).
So I share my pictures 1st.

Again my IEM configuration is as below:

COLOR

Left Side:
Transparent-Candy Blue-Solid White>Linkin Park logo with silver lineage

Right Side:
Transparent-Candy Red-Solid Black> Metallica Ninja logo with gold lineage

CABLE
UE11 clear cable

SHELL

I can see 3 holes at the tips
2- is the driver holes
1- is degass hole

Driver Config

2 drivers - Bass
1 driver - Mid
1driver - High


Degass tiny hole (0.3mm)


This post has been edited by jkleejk: May 29 2009, 01:46 AM

darnn,, they look great.. you should reveal out the company that customized your IEM to us.

is the price roughly the same as offered by null audio of singapore?

Owning Sennheiser IE8 for couple months with more than 600hours burning, I start to realize something is missing as my perfect IEM. In fact I am now more recognize what SQ that I am looking for after auditioned many high end IEMs & cans like SE530, W3, ER4P, IE6, HD650, K701, Denon D5000, MS Pro, DT880, DT990 & etc.

Basically what I like most about IE8 is its bass & soundstage. Its mid bass is punchy, impactful & quite fast (not yet fast enough), but most significant thing I like is its bass decays/ripple effect. Bass always has ripple effect & which IMO making the soundstage enormous, just like an echo travelling in big hall. On the other hand, its soundstage is biggest I had ever heard in any IEM. This effect is shine most when I listening to some live tracks.

What is missing? IMO IE8 is shorthanded in instrument separation & clarity. Overwhelming bass always trade off the mid/high clarity, which is sunken by the bass. Although the min bass knob configuration is good, improve the mid/high pretty much, but not good enough.

How I realize this issue? One fine day when I encountered one local company which doing custom IEM. They provide me a good chance to audition their own dual BA driver custom IEM, although the isolation is not be best (due it is belong to one of the guys which coincidence his ear canal is small, so I can fit into my ear canal w/out much issue), for the 1st time I convinced & realize what is lacking in my IE8. Its clarity & music separation blew me away, which much better than ER4P; to my surprise its bass are pretty good too. Then I started to discuss with them about making me one custom IEM; my SQ configuration will be IE8 bass/soundstage with enhance mid/high & instrument separation. Then they told me they are experimenting Quad BA driver custom & might fit into my request. So this is how my custom IEM journey begins.

FYI this is a small company but it well equipped with all those necessary gadget to make a good quality custom IEM & most important they are very experience in this field. Basically their business nature includes
1. Custom shell remold,
2. Custom shell for your favorite BA universal IEM with additional BA driver depending on circumstances,
3. Customize tips for universal IEM,
4. Ear impression on site,
5. Recently their own creation, their own custom IEM (custom dual drivers)
6. Others (For more info you PM me for more info)

After 2weeks waiting & constant communication, at last I receive my Quad Custom on 5/24. The workmanship on shell is phenomenal & exactly according to my drawing design. I am speechless when I put into my ear for the 1st time. It is the best ever IEM I had ever audition before. I am always worry custom always has marginally improvement from the top universal IEM (normally <10%). But this much more than that, I can say it is at least 40% better.

How can I get his figure? Ok it is simple. I separate SQ into 5 categories: Bass, Mid/High, Soundstage, Music Separation & Isolation (each contribute 20% portion). So Quad Custom improve in Mid/High, Music Separation & Isolation, so it is 60% better but Bass has lack of ripple effect (this is limitation of BA driver can’t help it) -10%, then Soundstage is slightly smaller than IE8, -10%. So total up 60%-10%-10%=40%.

Here is my simple rigs setup:

Cowon D2 (no EQ setup)> fiio E5 (no bass booster)> Quad Custom / IE8

*I am using IE8 (minimum bass knob mode) as my benchmark/comparison >my IE8 has marked 600+hours burning so far & Quad Custom has touch 50+hours mark.


Sound Quality:

Bass:
It is super fast, very impactful & deep. Bass notes are easily notice & well pronounced (I can said its bass it very accurate). IMO it is punchier than IE8, but only lack my favorite ripple/decay effects. This is the different between Dynamic & Balance Armature Driver. This is a trade off.
Quad Custom bass really excel in Eminem’s songs like Without Me/Cleaning My Closet & Michael Jackson – Billie Jeans (very very fast & impactful).

Mid/High:
This is where Quad Custom shines the most. It totally blew IE8 away at these categories. It is sweet, precise & mellow but no sibilance. I do find IE8 has some sibilance issue in certain tracks.
Superior clarity is due the bass driver as enclose in separate room in the shell, so no side effect of the bass. Electric guitar distortion & drum cymbals never sound so good & clear before.
I am really like Lenny Kravitz - Fly Away electric guitar distortion sound which is pronounce very clearly & realistic, & to my surprise those bass notes are so clear & obvious too but didn’t sink the mid/treble. Now I feel IE8 is muffled in this case.

Soundstage:
Quad Custom is come close to IE8; IE8 ripple effect makes its soundstage sound slightly bigger. I can really feel the big concert open space in LP Road to Revolution Live Album with IE8.

Instrument Separation:
Another Quad Custom strongest point, every instrument can be heard clearly & precisely. I can pin point the locations much better than IE8. I really like Hotel California Live & G3 Live concert tracks with Quad Custom, a brand new listening experience that I never have before. With IE8, which I had separation & sibilance issue in Linkin Park Road to Revolution Live album, but it is solve in Quad Custom.

Isolation:
It is so obvious, normally with IE8 I need to use high volume to minimize the annoying plane sound whenever air travel. With Quad Custom, I just use less 40% volume I used to be. Best part is when the music is playing I can’t even listen to people talking beside me. This is benefit of custom shell.


Verdicts:
Definitely is a best upgrade option for universal high end IEM. On par with other famous brand custom IEM with very affordable price, this is big bang for the bucks. With its top-notch customer service, many services available in 1 house & ready to listen to your opinion for improvement, this is what u looking for in any product purchase.


This is their Dual Drivers Custom IEM that I auditioned at their factory.

This post has been edited by jkleejk: May 29 2009, 01:49 AM

mind telling some of the sound from this IEM ?

finger crossing now

yup so far it getting much better. i start to like it v much.
everything is much better than IE8 except Bass & soundstage.

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Added on May 25, 2009, 11:08 pmpatient again. i will review 1st, then later i will give u the details of the company. i want to make sure things are good only recommend to bros here. if not kena hentam left & right.
FYI it is definitely not Null Audio.
I dont know the price either. If u can show me the link then i can tell u.

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Added on May 25, 2009, 11:20 pmSo far I am testing 3 amp combo with my Quad Custom
>fiio E3, E5 & AMB Mini3

To my suprise,
E5 which has no much effect for IE8, but the bass booster really can really give me big WOW effect for Quad Custom. It is tighten up with E5.
But for E3, actually works well with IE8 but the effect with Quad Custom isnt that good, bass is more bloated not as control as E5, but i can feel wider bass effect & wider soundstage
For Mini3, as it is a neutral AMP, has not much effect on Quad Custom, only improve clarity, mid/high. not much.

For DAP config,
I am juggling around Cowon D2, Meizu M8 & Macbook Pro
For D2, now i really feel the bass is roll off as last time using IE8 is didnt feel it so much, need E3/E5 to improve (but D2 still the best marathon battery runner, suit me well in my heavy travelling work nature). Single charge can last me a week!
For M8, fanstatic combo
For Macbook Pro, not as good as IE8 effect, if i used Dance EQ in Itunes, the effect is enormous!

So still considering which AMP/DAP to use for my review

This post has been edited by jkleejk: May 25 2009, 11:28 PM

here you go:

http://yhst-19406721107629.stores.yahoo.net/eea.html

all the price stated is in US dollars. did you pay for a cheaper price than this?

this is remolding price bro. not brand new IEM.
remolding price here is cheaper than that.

uppsss.. sorry. at first i thought that you customized your IE8.. haha.. so this thing is a new IEM like UE11 and ES3X? with a much cheaper price i guess?

price wise i can say very attractive.

"My 1st Customize Earphone" indicated second coming soon...T_T

secret project

Wow, better than IE8, since you're killing us by not telling us the actual price of the IEM, at least tell us whether it's cheaper/expensive/way more expensive than IE8?

more of course

Just assume it's irresistible price. Not cheap but not expensive either. It's affordable but still too much for some hahaha. Sold my CK100, danger is coming

args , still waiting my

sold alreadi?
want go for this?
sure?
or es3x?
or UE11????

For sure not those Westones and UE customs hahaha. Those cost an arm+leg

and ur wallet not to forget

patient patient again...
definitely irresistible price compare to those custom IEM.

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Added on May 27, 2009, 2:14 amhehe good decision, i guaranteed u wont regret it.
let me know when is your wallet is ready to be burnt again

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Added on May 27, 2009, 2:15 amu also bought CK100?
or u are waiting for mine custom iem?

This post has been edited by jkleejk: May 27 2009, 02:15 AM

Can't wait to hear your review! Sure does sound interesting!!