Getting started with the Z515 is actually as simple in practice as Logitech makes it out to be, at least if you're using the 3.5mm minijack or the wireless dongle. Obviously using the audio jack doesn't require any driver installation, but the wireless dongle did work as advertised. All you have to do is plug it in to whichever computer you want to use, and it automatically installs and is up and running, no sweat. Unplug it again and the computer is back to whichever default sound hardware it was using beforehand. Even unplugging it during midplayback produces a minor jump, but WinAMP at least didn't seem to mind.

The Bluetooth support, on the other hand, is a mixed bag. Using the internal bluetooth on a Lenovo ThinkPad X100e or an external Bluetooth dongle with a Dell Studio 17 achieved the same net result: the Z515 was recognized, identified as a "Z515 Speaker" bluetooth headset, and then promptly needed a Bluetooth Peripheral Driver that wasn't available. A trip to Google was able to find me a driver—the first entry on the page, actually—and after that the Z515's were up and running, producing sound indistinguishable from the wireless dongle.

Sound Quality

If you're looking for better sound than your laptop speakers, you'll get it from the Z515, but beyond that is a bit of a mixed bag. I gave the Z515 a legitimate challenge by comparing it against the excellent (by notebook standards) speaker system in my Dell Studio 17. The Studio 17's main speakers are smaller, but the notebook itself boasts a subwoofer. The Z515's were also compared to the aforementioned Bose Companion II speakers connected to an Asus Xonar DX—not a fair comparison as the Companion IIs aren't designed to be portable and you can't buy a Xonar DX for a laptop—but it's one worth making anyhow. For playback I principally used the song "Spitfire" by The Prodigy, which—in addition to being awesome—has excellent and distinct highs, mids, and lows.

First impressions: the Z515 is capable of producing bass. Not a whole lot, but at least some, which signals a definite upgrade. Most notebook speakers simply aren't capable of hitting deep bass, and the bottom tends to fall out of most music. The Z515 doesn't have that problem. Where it loses points is the unfortunate fact that these are still comparatively small speakers, and they can't work miracles. Sound is still tinny, and the range between highs, mids, and lows isn't very clear. While "Spitfire" played back fairly well, something busier like "Shallow Grave" by The Birthday Massacre doesn't fare nearly as well and starts to get a bit muddy. On my desktop, where I have the privilege of a pair of Bose connected to a Xonar DX, the instrumentation and vocals on "Shallow Grave" separate much, much better than they do on the Z515. The difference is night and day.

But the Z515 wasn't designed to compete with quality desktop audio, it was designed to replace notebook audio, and in that position it fares much better. The Dell Studio 17 has the benefit of a subwoofer, and while it produces excellent sound for a notebook playback has a hollower quality than it does on the Z515. Sound quality is actually pretty close, but the Z515 seems to hit higher highs and lower lows. Given that the Studio 17 is a 17" notebook with the best speakers I've ever heard on a laptop (miles better than the competition), it's fair to say the Z515 would be a definite upgrade over any built-in notebook speakers. As for being able to pair with an iPhone, iPad, or other bluetooth-enabled device? Given how small those are, they're an easy win for the Z515.

Wireless Range

Here's where I was really impressed by the Z515. While the wireless MX3200 keyboard and mouse set on my media center have dismal wireless range using the same 2.4GHz wireless technology, making them usable by at most four feet from the receiver, the Z515's claimed fifty foot range actually winds up being fairly conservative. While carrying the Z515, I was able to leave my apartment, walk down the stairs, and cross the street before the sound started to cut out. This was true using either Bluetooth or the wireless dongle: if you want to run music from a computer on the other side of the house, you can do it with the Z515. You can probably bring it over to the neighbor's house.

Introducing the Logitech Z515 Wireless Speaker Conclusion
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  • 7Enigma - Thursday, October 14, 2010 - link

    Because when I think of portable laptop speakers, I think of nearly 20lbs and cubic foot a piece hardware. Seriously man did you even look at what the review unit's goal is?
  • kmmatney - Thursday, October 14, 2010 - link

    Um... These are wireless speakers, with a built-in battery pack...They serve a different puspose then you studio sound system...
  • ShortyZ - Thursday, October 14, 2010 - link

    Headphones anyone? Why bother with this?
  • JarredWalton - Thursday, October 14, 2010 - link

    Headphones rely on your built-in sound system as well as the audio jack. I've encountered so many laptops where the audio jack gets a TON of static, and it's only worse on better quality headphones that accurately reproduce highs and lows.
  • SyndromeOCZ - Friday, October 15, 2010 - link

    The quality of the headphones don't really have anything to do with how much static noise you will hear from most notebook's headphone jack. Its dependent on the impedance and sensitivity of the headphones. This means that most IEM's will suffer from it more than full sized headphones will.

    And about the Wharfedales, I've got some EVO2-10's and they sound amazing, but they are anything but portable. ;)
  • kmmatney - Thursday, October 14, 2010 - link

    Needs an iPod/IPhone dock...
  • anactoraaron - Thursday, October 14, 2010 - link

    but I was online at Best Buy last night and they claim to have a 40GB X25M... It's $10 more than an X25V 40GB... any review or other info upcoming?
  • Aikouka - Thursday, October 14, 2010 - link

    That could just be a mistake on Best Buy's part. There is a newer model of the 40GB SSD out... <-- original <-- newer K-series

    The price difference is only $5 at NewEgg, but it's still most likely the same.
  • dacipher - Thursday, October 14, 2010 - link

    You cant go wrong with krk monitor speakers. Bass is really top notch on my set of Rokit 6's.
  • Ptaltaica - Thursday, October 14, 2010 - link

    I got to " the Companion II's produce excellent bass and dynamic range provided they're connected to a good sound card."


    If you're satisfied with Bose speakers-particularly ones that weigh less than 2lbs apiece, appear to have a plastic case, and come with a <b>power brick</b> , audio equipment reviews definitely aren't your forte. Those things probably have a single 3.5"-4" full range driver and some fancy port work. What a joke.

    And "this is after going through a lot of different speaker sets"? You're buying the wrong speaker sets. Short of some of the studio monitors (M-Audio's bigger units aren't too bad), there are NO speakers available in the US right now, that are marketed specifically as computer speakers, that I am aware of, that qualify as "good". THX certification means nothing, even the Logitech Z-5500s only sound good under three circumstances: the listener is either tone deaf or extremely inebriated, or they've never heard a decent audio system.

    And what do you consider a "good" sound card? Please tell me it's not some POS from Creative or M-Audio or one of the low-end Asus Xonars or something. Those Blows speakers are analog only and if we're not talking about cards with socketed opamps running something like AD843s or OPA639s, the card is garbage. Even the M-Audio Revolutions, which I otherwise like just fine, use JRC5532s-and while they're an improvement over the crap Creative is/was putting on their cards, calling any card that uses them "good" is being far too generous.

    Not even worth reading the rest of the article. If you think your Companion IIs have "excellent" bass and dynamic range, you're probably not qualified to have an opinion on the sound quality of anything this side of a tin can telephone.

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