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Xacarero BS-40 Black Balanced Sound In Ear Canal Stereo BST Earphone Handsfree

Xacarero BS-40 Black Balanced Sound In Ear Canal Stereo BST Earphone Handsfree

Xacarero BS-40 Black Balanced Sound In Ear Canal Stereo BST Earphone Handsfree image05

Color : Black

 

 

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Korean Technology challenges against high-end Earphones

This is an earphone produced by Korean technology named RST(Reversed Sound Technology) which comes to your ears with surprises at the first try-on with the familiar impression that you can get only from those high-end earphones. The RST is a unique proprietary technology that was designed by (1) inverting the diaphragm, (2) facing the voice coil to the correct direction to the eardrum. As a result, one of the big achievements of the RST is to be able to deliver larger sound range that not many other products can. It dares to challenge against those high-end earphones in the market in delivering actual and realistic sounds, most importantly with the half of the price.

 

First encounter

" I still remember clearly the moment when I first encountered this little thing. It was laid on my desk with no logo, no brand name, no price info, no spec..nothing. It was there as if it had been there all alone since forever. I then plugged it in to my music player and started listening to my usual favorites. Not long before I realized, the sounds hit me by surprise and I couldn't help mumbling.. {My sweet Jesus!! who the heck are you ?} "

 

The source sound is delivered as it is

It is based on the technology that was engineered by Korean specialists and so named RST(Reversed Sound Technology) which later proved itself with excellent quality sounds over low,mid and high range. No one believed such sounds with this price. Overall harmony by the firm bass, gentle vocal part and clear high frequency makes one to feel as if the lake ripple arriving and touching in a pleasant way.

 

Design and Appearance

Before giving detail technical description, let us look at the appearance. The earphone is so called kernel-type earphone which fits into the earhole tightly. The package comes with 2 different sizes of rubber ear tips. The housing of the earphone was done via Aluminum casting which is not commonly used amongst other earphones with the similar prices. The best part is a flat-wire (also known as "flat noodle" ) that prevent earphone wires from messing and twisting.

 

The Patented RST earphone technology

RST technology places speaker unit in such way that the unit does not face the eardrum directly and also allows the inner space relatively larger than other similar earphones. As a result, big gain on the mid,low rage sound and remarkably less fatigue to the eardrum over long time listening have been reported by the early adapters. The RST has been patented thereafter.
As seen in the figure, The RST is a unique proprietary technology that was designed by (1) inverting the diaphragm, (2) facing the voice coil to the correct direction to the eardrum. The source sound is played as natural as it would be.

The Patented RST earphone technology

 

Excellent finishing & Completeness

It is very rare to see this aluminum housing within this price range. It is not only damage-resistant but also enlarges the space for the vibration panel, which results in clear sound with rich resolution. The entire finishing work from the plug to the cable gives good satisfaction and completeness.

 

Microphone and Remote control

There are models with microphone and simple remote control. The one touch remote control button was designed to work with the iPhone or iPad. Microphone is placed at the back side of remote control. For the maximized performance and compatibility with iPhone, these models are built with 32Ω impedence.

 

Perfect second earphone

Made with durable material, designed fashionably, delivering astonishing sound quality, this RST earphone will make the best second earphone to almost every one. In terms of price performance no other earphone can beat this earphone. Who would be able to resist such a good quality earphone that delivers even better sounds than those which are sold at double price? It may start as a second earphone but surely will be most loved one in no time.

 

"The earphone came to me as a big surprise!! I was able to hear and discover previously-unheard sound, for example when the song ends sometimes there are small sounds there.. It is just that I could not hear nor noticed before with other earphones.. It was a pleasant surprise and certainly can break the prejudice against low priced earphone."

 

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Color : Black

In terms of Xacarero NS-10, PS-12, PS-20, PS-30 and BS-40, you will find them with microphones installed inside. They are all considered hands-free.
When someone calls you on the phone, you can start talking to him/her by simply pressing a button, Call/Play, only once. When you want to hang up, all you need to do is also to press the button again.
When you want to listen to music, press the button once to start the music. If you press one more time when the music actually plays, you will stop the music. If you press the button twice, a next song will play. If you press three times, you will listen to music whatever the program wants you to listen to.

Xacarero NS-10, PS-11, PS-12, PS-20, PS-30 and BS-40 do not work with Samsung Galaxy A, Galaxy S and Hopin. Thank you for your generous understanding.

SPECIFICATIONS


Model BS-40
Color Black
Type Kernel Stereo Earphone
Drive Unit Ø 9mm Stereo Speaker
Sensitivity 100 ± 3dB (1mW 1KHz)
Impedance 16 ohm
Frequency Range 20Hz ~ 20kHz
Rated Power 10mW (Max. Power 40mW)
Cable 1.2m
Plug Ø 3.5mm 4p Gold
Compatibility Smart Phone
Pouch Built-in pouch