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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  • JarredWalton - Thursday, October 14, 2010 - link

    Take a step back, Mr. Audiophile, and please note what the article is about: a laptop speaker replacement option. I don't care if you think Bose, Logitech, etc. are crap compared to expensive options, fine. Even the worst Bose/Logitech/Creative/etc. computer speaker kit sounds worlds better than the best laptop speakers I've encountered. Is the Z515 going to impress you? Obviously not, but the goal isn't to replace studio monitors or even inexpensive desktop speakers; the goal is to provide something that works and provides better sound than a laptop's built-in speakers.

    What you're doing is akin to me reviewing a netbook and showing how it compares in performance to a 15 pound desktop replacement that costs an order of magnitude more (and gets an order of magnitude less battery life).
  • andy o - Friday, October 15, 2010 - link

    Rule of thumb for arguing about computer audio equipment comments:

    Any time you see OPAMPs mentioned (with some combination of obscure letters and numbers), and "mainstream" audio cards disparaged as "POS", it doesn't deserve your explanation. 99 out of 99 times it's just arrogant audiophile dogma speaking.
  • andy o - Friday, October 15, 2010 - link


    ABX tests proving the inferiority of those things you disparage, or be called out.
  • sleepeeg3 - Thursday, October 14, 2010 - link

    If you are a movie fan, you wouldn't be watching movies on your laptop anyway. If you have access to a wall outlet, then you should have access to a desktop. I don't really see the point...
  • ShortyZ - Thursday, October 14, 2010 - link

    As a business traveler, I could see a use for speakers like these. Stuck in an airport I'd use my headphones while watching a movie. Stuck in a hotel room without access to a DVD player, these speakers might be worthwhile.
  • Dustin Sklavos - Thursday, October 14, 2010 - link

    I'm a movie buff and a filmmaker, but when I'm away from home I don't have the luxury of relaxing in front of my HDTV, so I use my laptop. And a LOT of college students are in the same situation: a 42" HDTV isn't going to fit in a dorm room.

    I think a genuine movie fan isn't going to care that much about what they watch their movies on (iPhone/iPad notwithstanding) so long as they can comfortably enjoy the material.
  • numberoneoppa - Thursday, October 14, 2010 - link

    Surprised the warranted a review, they're just another consumer crappy audio product that doesn't deliver.
  • Dustin Sklavos - Thursday, October 14, 2010 - link

    We review what we're sent. If you only want to read positive reviews, I recommend PC World or CNet.
  • Heathmoor - Saturday, October 16, 2010 - link

    Even in CNET, they recommend to for the cheaper Creative D100 instead.
    Other alternatives: BlueAnt M1 (Supertooth Blaster "Disco" in Europe) and Creative D200.
    I think that the only major drawback in these other alternatives is their exclusive Bluetooth wireless connectivity with more limited range. In contrast, I find replaceable batteries a more convenient option in case you don't have access to electric power for several days.
  • AnnonymousCoward - Saturday, October 16, 2010 - link

    The battery issue seems too much of an inconvenience, IMHO. This seems better, at less than half the price:

    Dustin, have you heard the legendary Klipsch Promedia? The 2.1 doesn't cost that much more than the Bose Companion 2 Series II, and it's probably a world of a difference. Especially if you set up the speakers at least 5ft away or against the wall, spread out. Base is tight and controlled. I know that Bose sounds decent, but when it comes down to it, it's a 15W 2.0 system compared to 200W 2.1.

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