Logitech 980-000402-cr Z623 400 Watt Home Speaker System, 2.1 Speaker System (Renewed), One Size, BlackCarbon Neutral Certified by SCS Global Services

First off, let me say that, I am a very very picky person when it comes to sound quality and music. I want it to sound a certain way! I like everything to be well-balanced, but I also like a lot of bass! These are exactly what I always look for in sound quality. The speakers have it! I got my first set of logitech speakers in 2004, and have been buying them ever since. These ones are getting harder to find. The first time I bought them, was for a computer back in 2004, then I got them with my second computer when it was built a few years ago, and just decided to get one for the basement for when I do workouts! I can’t tell you how wonderful these speakers are! Let’s just say, you don’t want to turn the subwoofer up too much, it will rattle your windows! They are that good! I have pictures on my wall, and they all rattle if I put the subwoofer up too high. They are amazing in the basement and doing workouts. I hooked them up and they were perfectly! I’m so happy to have a second pair now. I have bought other speakers, including some other Logitech speakers, but they weren’t quite as good as these. I’m so glad I found some more. I almost thought about getting an extra pair, just in case down the road I need them. They are that good you just want to find more of them. These things are amazing, the sound is well balanced, the base is astronomically. Amazing, they are just really awesome! The price wasn’t bad either. I had a friend told me when he built my computer, you’re gonna be hard-pressed to find a set for 100 bucks. Well, I finally did. Glad I got these. The shipping was great, Speakers were packed nicely, no damages or anything. I’m impressed! All I can say is get these, you won’t be sorry! By the way, these are very easy to set up, I am a blind person, and had no problems.

These speakers are awesome, I was blown away at how good they sound. The subwoofer gives you really loud and clear bass and the speakers also produce a very clear sound.I would definitely recommend these speakers.

The media could not be loaded. Speakers work fantastic. Bass is very strong when at max for the price. Feels like I'm listening to my 5.1 surround system for a fraction of the price. I bought refurbished and it wasnt harmed at all and was easy to set up.

First, I rarely buy any used or renewed item because I don't want to deal with any possible hazzle. I decided to give this one a try because I trust amazon's return policy.I'm very surprised to receive a brand new looking unit in original packaging without any visible defect. It looks almost like an open box return. All the cables are included too. (Your mileage may very, other reviewers can attest.)The speaker is definetely a bang for the buck with a renewed product pricing. The bass provided with and without the sub is night and day. I never realized how much low is missing until I put this speaker up. It lefted my little bluetooth speaker in DUST! The speakers deliver ample amount of bass with bass tuning knob sitting at default mid position. I connected this set with optical link which is the reason I specifically chose z625 for. This eliminates the RF interference from desktop. If I want to go deeper into the rabbit hole, I can always get an external DAC later. So far, everything has been performing perfectly and the only concern is possible complain from neighbour for being too noisy.

About the only good thing that I can say is that the bass is good; however the left and right speakers are to high with no mid range at all. The volume control had to be turned up half way to get sound. I tried puting them through a graphic equalizer and it made the worse. If they took the subwoofer and built some decent speakers with it, may be alright but as a system it is very terrible. I am disabled and have no way to go to stores to listen to the systems so I took a shot and was disappointed. I should have read about the returns because it is not standard Amazon policies. I paid 90.00 for the system, have to pay a 15% restocking charge and 28.00 to ship them back as a dissatisfied customer. Buyers beware of the reconditioned products. I have an altec lansing vs2121 computer 2.1 and it beats this hands down! Bad deal, beware!!!!!

Great value, sound is "eh", not bad. Bass is overpowering in a boxy, boomy kind of way, and the satellites are very mid-rangy. Klipsch Pro-media 2.1's on my other system sound much nicer, but hey, this is a great deal and it has optical in, which is great!! Get the re-furbished, they looked brand new when I opened the box!

These are some really really great sounding speakers. The subwoofer is plenty hefty, and the R/L are not tiny nor tin-ey. They are digitally connected with the included optical cable, so they are as noise free as speakers can be in a computer environment. There is a slight hiss to these when turned very high, but this is how powered speakers work. I have a very high end Fishman amp and it does the same thing.Part of the hookup on these speakers I like, and part I don't. Once you attach the optical cable to the sub, you have a (I think) 15-pin connector permanently attached to the right speaker. The right speaker can now control power, volume, and bass. This is very convenient since the bass can get excessive at even the middle setting. The downside is that unless you find this weird cable type and buy an extension, you have to keep the right speaker within about 5ft from the sub, but this is normally still usable at this distance.Then the left speaker connects to the sub using a permanently attached RCA cable. It would have been nice to have all of these connections removable (my right speaker's strain relief came loose and I had to re-glue it) but at least on the left speaker an extension would be easy.Sound quality is very very nice, very clear, and the control over the bass makes these just about perfect. I don't know if they are worth their retail price but they are very much worth the ~$100 that these used ones are. You can also go quite loud with these, so keeping the speaker volume on 4 or 5 (out of 10) seems plenty for most uses, and at this setting there is no hiss.