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JVC FX101 Background Noise

post #1 of 10
Thread Starter 

Hi everyone!

I'm a newbie and I just stepped on the hifi land =)

 

Recently I followed Dsnuts' hype and bought the SHE3580, the Monoprice 8320, the FX40 and the FX101. It turn out that his recommendation is very accurate and these IEM is very cool! But sadly, my FX101 got a lot of "hissing" background noise whether connected to my Fiio e6, my ipod or my mac. So I'm quite worry. I don't know if I got a defective or not.

 

And also, why almost all my headphone (except my HD439) make background noise when I connect it directly to my macbook air? Is that a fault in the hardware? I have no such problem when connect it through my Fiio e6, so I have to carry it around all the time lol.

 

Thanks guys!

post #2 of 10
Thread Starter 

Bump.

Also, I received the FX40 today, which suffer from the same hissing noise as the FX101. 

Is that a technical fault with JVC IEM?

post #3 of 10

My FX40 hiss when connected to my desktop, not my Android smartphone or MP3 player.

 

 

This is from the useful links at the top of the forums

 

 

Quote:
Sometime IEM users can hear a background electrical noise from their source when the volume is low; it is know as 'hissing'. Most IEMs are very sensitive therefore it is easy for them to pick up electrical noise that generally other headphones would ignore. There is no actual fix for this issue, but sometime adding an in-line resistor (to increase the impedance and lowering the sensitivity) seems to work. Also, certain sources (such as one type of HDD based iPod) are known to produce more electrical noise.

Sometime, IEMs with highlighted 1KHz ~ 10kHz region in sound frequency are also referred to as being 'sibilant' or 'harsh'. The problem is, these kinds of IEMs produce very sharp sounding treble that can often be very irritating and uncomfortable during long term listening. This kind of sound is most commonly noticed in female vocal presentation. Due to the fact that everybody has a different hearing freq. resp., some IEMs will sound sibilant to some while completely fine to others. There is no real fix for this issue; however, EQing is perhaps one of the most effective solution, followed by modification of the IEM itself (mostly of the filter and nozzle).
post #4 of 10
Thread Starter 
Thank you!
post #5 of 10
its your source hissing.my 101 have no hiss on either pairs
post #6 of 10

Where did you buy the JVCs from? I just saw another thread saying that there are a lot of fake JVCs floating around.

post #7 of 10
Thread Starter 
Quote:
Originally Posted by live1 View Post

its your source hissing.my 101 have no hiss on either pairs
Yeah I admit that my macbook air is hissing ALOT but since I'm pairing it with Fiio e6 I've got rid of it. So it's not the case, since my She3580 and Mono 8320 pairing really good with it lol
Quote:
Originally Posted by scuttle View Post

Where did you buy the JVCs from? I just saw another thread saying that there are a lot of fake JVCs floating around.
Oh really? :-O I got it from a seller on amazon (which maybe has like 98% good reputation based on 140,000 people I guess). I don't know, I'm not having much experience with buying headphone on amazon afterall.
I really do like the fx101 though, but then the noise is just prevent me to enjoy it frown.gif so sad

Anyway, I'm having good time with my 8320 biggrin.gif really like 'em biggrin.gif
post #8 of 10
i bought mine from amazon uk not a seller.got over 1000hours on my pink pair.my green pair have 20hours and sound **** compard to my lovely burnt in pair
post #9 of 10
Quote:
Originally Posted by pss395 View Post


Yeah I admit that my macbook air is hissing ALOT but since I'm pairing it with Fiio e6 I've got rid of it. So it's not the case, since my She3580 and Mono 8320 pairing really good with it lol
Oh really? :-O I got it from a seller on amazon (which maybe has like 98% good reputation based on 140,000 people I guess).

 

Amazon seller reputation is a reasonable assurance that you will get the item and not get an OBVIOUS fake. No more. Ditto for ebay.

post #10 of 10
Thread Starter 
Quote:
Originally Posted by live1 View Post

i bought mine from amazon uk not a seller.got over 1000hours on my pink pair.my green pair have 20hours and sound **** compard to my lovely burnt in pair
Yeah I'm doing burn in on my pair too lol. Just for fun I guess, since I can't really listen to it.
Quote:
Originally Posted by scuttle View Post

Amazon seller reputation is a reasonable assurance that you will get the item and not get an OBVIOUS fake. No more. Ditto for ebay.
I'm almost jump into a fake pair of m80 on ebay lol.
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