Roundup: 16 Headphones : Cardo Systems, Inc. S-2

By Digital Versus, published on June 27, 2009
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6. Cardo Systems, Inc. S-2

Bluetooth is becoming widespread, starting with Smartphones and portable audio players.  In order to ride this wave, Cardo Systems (leader on the Bluetooth earphone market in the U.S.) is offering the S-2.  Once placed on your head, you can get away from the constraints of cables and answer your phone without taking it out of your pocket.  So, does the S-2 also give us fine audio quality?

Design

Despite the rather imposing size of the earphones, overall the S-2 is discreet.  The product is attractive; however, some of the materials used in construction (the plastic on certain buttons and the joint that allows folding) do not seem to reflect the high end price.  Otherwise, use is not overly intuitive and you will probably have to open the user’s guide the first time.

Note that you can take/refuse a call, use voice dialing directly with the earphones and it’s possible to simultaneously relay a mobile phone and Bluetooth audio player.  This all proved to be very practical.  We also liked the choice of recharging via a USB port (mini USB cable not included) or a wall socket.  In the end, the S-2 is very pleasant and we quickly became accustomed to their use.

Audio quality

Rendering was decent even if we noticed a lack of precision and a surplus of basses.  Quality was far inferior than what we could have hoped for, and sound was too dull for our tastes.  In comparison, it does better than its rival, the Logitech FreePulse Wireless.  On the other hand, changing tracks (via the earphone control) is rather hard on the ear, and unless you prepare yourself at this point, a very unpleasant noise (the plastic repositioning itself) hits your eardrum.

Another small defect was small cuts in sound as soon as we moved slightly away from the audio source.  Of course, this wasn’t often, but the effect was not too pleasant.

Cardo Systems, Inc. S-2
PlusesMinuses
  • Wireless
  • Compact and foldable
  • Design
  • Charger and USB
  • Audio quality
  • Finishing touches
  • Price
  • No Bluetooth transmitter included
Clearly, this type of device is very practical, and doing away with cables is a great bonus. The S-2 can perfectly replace your Bluetooth earphones, however this product has several serious defects including mediocre audio quality.

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Comments

kyosho 06/27/2009 8:58 PM
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Finally, as a general rule of thumb, you'll probably spend around half as much to get a pair of in-ear headphones that's as good as the equivalent regular on-ear headphones.
They must have meant half again as much?

Anonymous 06/27/2009 10:11 PM
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Where are the regular head phones reviews. All we get are buds and in ear headphoes, where are the regular ones that you lead into your article with a picture of?

Wasted my time as i dont like buds....bleh.

twisted politiks 06/27/2009 11:57 PM
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what about shure? probably the best in ear headphones on the market

Silluete 06/28/2009 4:26 AM
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twisted politiks :
what about shure? probably the best in ear headphones on the market


agree , but also one of most expensive one

omnimodis78 06/28/2009 6:06 AM
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I didn't read the article, and after looking at the list of products "reviewed" I guess there's not much room for variety. Like so many stuff out there, it's so relative! What might sound amazing to me might sound like crap to you. Besides, you can use the $20 headphones, and with decent equalization and moderate playback volume, after a few hours of listening it will sound great. Try it...

acherimoya 06/28/2009 6:09 AM
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I can make two additional recommendations for headphones with which I've been completely satisfied:

- Yuin PK3. Earbuds, hard to find in the US, sound quality equal to many full size cans. Good bass, fantastic mids and highs, great definition in the highs. About average comfort. $39, and best most earbuds you'll find for less than $150.

- Koss KSC75. Open over ear with earclip. Incredible sound, great bass, good highs (highs could be better). Overall great sound profile. $12-18 with sound better than just about any in-ear or earbud you'll find for a reasonable price, and give more expensive over ear phones a run for the money. Everyone should own at least one pair of these classics.

As you can tell, I'm a bargain shopper.

gmoney69 06/28/2009 6:22 AM
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This review seems slanted.. no Shure, no Ultimate Ears? Two of the best brands out there. Also, no Skull Candy, not the best but very popular (and affordable)... Then they throw in M-Audio and Cardo 'over the ear' cans? Headphone and earbud reviews should be separate, totally incomparable experience (not to mention there are many other over the ear cans not mentioned). Also, the only buds that get 5/5 have links directly to amazon in the body of the review. Its like an article to pit 16 random products together to put one on top. It's a paid advertisement. This is an incompetent article. WTF Tom's?

Spanky Deluxe 06/28/2009 12:00 PM
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What about Shure? The SE210 is probably the best value high quality consumer head phone set out there. Absolutely superb headphones and from a brand that I'd trust more than a lot of the ones already included in the review.

Anonymous 06/28/2009 5:21 PM
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The whole Sennheiser in ear series requires a long burn (playing music/test tones at a moderately loud volume continuously) in period. I have the IE8 and the review does not do the final product justice. The IE8 benefits from at least 250+ hours, but they keep improving even after 400+ hours. The overpowering bass is greatly reduced leaving a warm, fun headphone with excellent detail, treble extension, controlled yet powerful bass that doesn't intrude on the other frequencies, and the widest soundstage (headstage) of an in ear headphone.

One of the best bang for the buck headphones though is the NuForce NE-7m for $50.

Tomsguiderachel 06/28/2009 6:44 PM
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gmoney69 :
This review seems slanted.. no Shure, no Ultimate Ears? Two of the best brands out there. Also, no Skull Candy, not the best but very popular (and affordable)... Then they throw in M-Audio and Cardo 'over the ear' cans? Headphone and earbud reviews should be separate, totally incomparable experience (not to mention there are many other over the ear cans not mentioned). Also, the only buds that get 5/5 have links directly to amazon in the body of the review. Its like an article to pit 16 random products together to put one on top. It's a paid advertisement. This is an incompetent article. WTF Tom's?


This is not a paid advertisement.

Tomsguiderachel 06/28/2009 6:45 PM
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For all of you asking why certain products were not included in this roundup, I ask that you please read the introductory paragraph at the top. We only included products where we had a review unit to test. We cannot test a product we do not have on hand.

lapalm 06/28/2009 7:54 PM
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Thanks for you article. And it's a good thing to keep it in a state of "work in progress". Definitely looking for updates.

The_Blood_Raven 06/29/2009 6:00 AM
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TERRIBLE selection.

No Ultimate Ears, no Etymotic, no Shure, no Westone, just overpriced junk with the slight exception of SOME the sennheisers.

I usually don't bash articles but this is a comparison of all the crappy overpriced earphones and IEMs on the market, I'm surprised there is no BOSE!

The_Blood_Raven 06/29/2009 6:04 AM
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Tomsguiderachel :
For all of you asking why certain products were not included in this roundup, I ask that you please read the introductory paragraph at the top. We only included products where we had a review unit to test. We cannot test a product we do not have on hand.



I understand this well enough, but you can not exclude the GOOD products in a product survey. You might as well do a CPU roundup with only VIA CPUs.

Anonymous 06/29/2009 10:28 AM
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Sennheiser earphones has to be listened for some hours to get the optimum sound quality and a warmer sound out of them, did you take this into account?

smallcaps 06/29/2009 7:05 PM
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unfortunately out of the packaging the Sennheiser IEx series will sound terrible because they are dynamic driver type headphones. after about 100 hours or so of burn-in time, they will beat everything on this list by SQ alone. this review is generally ill-informed and amateurishly approached. i would check out more dedicated communities for headphone reviews such as head-fi.org

Tomsguiderachel 06/29/2009 7:32 PM
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The_Blood_Raven :
I understand this well enough, but you can not exclude the GOOD products in a product survey. You might as well do a CPU roundup with only VIA CPUs.


Yes, we can. When we get more products in, we will review them too.

Tomsguiderachel 06/29/2009 7:34 PM
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smallcaps :
unfortunately out of the packaging the Sennheiser IEx series will sound terrible because they are dynamic driver type headphones. after about 100 hours or so of burn-in time, they will beat everything on this list by SQ alone. this review is generally ill-informed and amateurishly approached. i would check out more dedicated communities for headphone reviews such as head-fi.org


It sounds like you're in the market for very high-end, expensive headphones (audiophile quality). This review doesn't include any of those, so far, so you'd be better off for now doing research at another site.

Greg_77 06/30/2009 5:54 AM
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I agree with smallcaps,you need to burn in dynamic driver earphones for them to show their full potential. Many dynamic earphones won't start sounding good until over 50 hours of burn in. Balanced armature earphones don't require burn in, giving earphones such as the Q-Jays an advantage in this group comparison. If you are going to review earphones you need to learn their differences. If you are not willing to take the time and learn the basics behind comparing earphones, you should not do it at all. And,fyi, head-fi.org may feature some very pricey earphones, but they also review earphones within the price group represented by your sample.

The_Blood_Raven 06/30/2009 7:24 PM
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Tomsguiderachel :
It sounds like you're in the market for very high-end, expensive headphones (audiophile quality). This review doesn't include any of those, so far, so you'd be better off for now doing research at another site.



The Senns IE 7/8s are audiophile quality as well as the klipsch custom 3.

You should contact more companies for more earphones, like these:
Ultimate Ears, Shure, Etymotic, Westone, exct.

This article is a good first step, Tom's really should get into audio more.


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