Great sound and price, but might be a fire hazard.
599011
<div id="video-block-R6JZIJCLCOC5N" class="a-section a-spacing-small a-spacing-top-mini video-block"></div><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/81Ik8lFVqaS.mp4" class="video-url"><input type="hidden" name="" value="https://images-na.ssl-images-amazon.com/images/I/91K0HI-IhRS.png" class="video-slate-img-url">&nbsp;I really like the sound of this and the built-in DAC.  I have it connected to a MacBook Pro 2016 and it recognizes the AMP through the USB.  Be aware, you won't have volume control through the Mac.

However, the product may be a fire hazard (see video).  When you plug in the power supply, it creates a pretty good spark and popping sound.  I exchanged the first one and the second exhibited the same issues.  If you don't mind that issue, then I've been fairly happy with the sound it produces.
3376997
I am VERY nervous about these. On the positive side, the 4000 @18watt white looks fantastic and they are easy to install. I installed 6 and they looked perfect.  I am using a dimmer, and this version says it is dimable. Do make note some look the description.  After 3 days one light fickered and made a bad smell.  Then the light flickered and failed.  All 6 on on one light switch.  The others seemed fine.  2 days later a 2nd flashed, smoked and failed.  Here are the photos. Something on the high voltage side burned out. The actual 12v light unit is fine, the 120v A/C to 12v "LED driver" is what is failing.  You can see the burned plastic inside. I am worried now.

I removed the dimmer, even though I have the 18 watt dimmable model, and still a third unit has burned up. Starts with a flicker and a burned plastic smell.

I don't know if the seller will respond, but something is wrong with the A/C LED drivers. The actual lights are fantastic and at this price would keep them IF someone sold a better 120v AC to 12v driver.  I can't find an 18-30 watt driver.  This unit is NOT safe. Don't install if you can't monitor them for at least a week. All worked out of the box. 3 so far started flickering then blew out. Could be a fire hazard.
1305607
You have to be careful with when you wear these. After a couple of months the power button on mine stopped working due to rust /corrosion from sweat. I work in the heat and it didn't take long for these to stop working. I couldn't return them because they were refurbished and the warranty was already up.

I loved the sound! Awesome and the retractable ear buds worked great!
1727521
I purchased this for a good friend of mine and after I set it all up we listened to some music and I was very pleasantly surprised. The sound was fairly clean and clear and the bass kept up very well for such an inexpensive sub woofer even with tracks containing sustained low frequencies. We listened to several types of music and all sounded pretty good. Then I tried out the Blu-ray player with the movie Inception and the voices sounded thin and when an explosion hit the sub bottomed out quickly. I will have to go back when I get a chance and do some other testing to check if I missed a setting or something but I am pretty well versed with A/V gear so I don't think that is the case. Perhaps the center speaker she received was defective. I will update this review if I find any of that to be the case.
1254481
First off: these speakers are worth getting, imo. Great sound, good quality, and they fill the room with bass when I want to shake the room. Other techie stuff, please see below:

For those who are tech-savvy...

Yes, the Klipsch speakers now are built without a fuse, and without an on/off switch. Whether this is because Klipsch felt that its system was stable enough to handle a power surge without the fuse or switch, or if it was due to cutting costs to maintain the price, I have no idea. HOWEVER, I will state that the 2.1 speakers I bought mid-2014 perform flawlessly thus far.

BTW: People, check Best Buy for their pricing. In my town, the speakers were sold there for $139.99 plus tax. That's significantly cheaper than buying it off Amazon, AND it's same-day delivery. Normally I'm all for buying stuff off the internet, but in this case it's worth making a five minute call to see if you can save the hassle of having your speakers bounce around in a semi truck for a couple days before you finally receive it. For once I'm glad to patronize Best Buy.

I've also seen some people commenting about certain problems Klipsch is known for. I'll address some of them:

Regarding blown out subwoofers: If you are thinking of buying a used Klipsch sound system, you need to know: be very careful buying this system used. The speaker in the subwoofer unit uses FOAM suspension, which means that after a while (years) the foam can get brittle and these speakers become susceptible to blowing out (this is probably influenced in part by your particular climate). This is what happened to me; I bought a 4.1 system used, and the one woofer was already blown out. The other speaker's foam suspension ripped apart at the lightest touch, and I ended up replacing both speakers.

While the system is worth buying new, be aware that if you choose to purchase a used system, there's a solid chance that you'll eventually end up needing to repair/replace the speaker(s) in the subwoofer unit (as I had the misfortune of needing to do).

How to repair: https://www.youtube.com/watch?v=TWR2YfFzI2w

I replaced mine before finding out there was an option to simply repair the woofers. The speaker I've used - and the speaker that several others seem to have used for the EXACT same purpose, is here: http://www.amazon.com/gp/product/B0066BO2QK/ref=cm_cr_ryp_prd_ttl_sol_0
2470324
I just ordered these walkie-talkies for my grandson's birthday today and received them the same day through Prime within three hours, which I was excited about; however, when I put the batteries in, one worked fine, but the other one worked for a few seconds and didn't work after that. I changed the batteries and then I smelled something burning and immediately took out the batteries and they were extremely hot. These are dangerous, because if the batteries had worked and if they got hot, something terrible could have happened to my grandson.
366230
I use these on iMacs.
I've had 2 pairs of these for 8 months and really like the sound, battery life, and especially the simple wireless usb connection. I get fair range through 4 walls but if the refrigerator is in line, it cuts out but no complaints there. So, listen now, eat later.
These should come with a free roll of gorilla tape. Be sure to buy some, you'll need it. First, I had to drill and bolt the expander back together on both pairs amazingly, at almost the same time. Now the muffs have started breaking from the headpiece. The plastic they use disintegrates mercilessly. I mean, how much could could it cost to use decent plastic?
The power button is really annoying to me. It has a 4 or 5 second delay. I guess I'm just not a patient person. I want to turn it on or off now, not 4 or 5 seconds from now. A different type of switch or different placement, or both, could prevent unintentional usage. Even a shorter delay would help.
So, I'll be looking for some different headphones. The low price of cheap junk is really not worth the disappointment.
2757124
Good sound, great price! whats not to like? oh yeah, the high amounts of lead stored in the wires. Careful folks, I tried digging into this with Coby and the Better Buisness and they are none to happy some one noticed there hidden warning. Yeah, your susposed to wash your hands after EVERY time you use this product. Use with caution and DO NOT buy this for children. Headphones are in very close proximity to the head (obviously)and chewing on the wires can lead to serious health problems. Beware, theres a reason its so cheap.
1226887
We purchased this unit for use in a small 8-person office and had it installed by a professional.
It worked great up until last week when we came in to the office on Monday morning to find the unit powered off (which was odd).
After pulling it out and looking at the back we discovered evidence of an electrical fire inside the back where the wires are housed. Thankfully the gfi kicked in and switched the power off, saving the office from a potentially destructive fire.
667820
and they don't just survive, they sound better afterwards.

I'm sure Klipsch would not approve, and it was certainly not intentional, but it happened after a long trip when everything went in the wash.  When I opened the dryer (medium-low heat) and found them I was sure they were fried but decided to try them anyway.  They not only worked, but they clearly sound better now, and they sounded damn fine before.

Kudos to Klipsch, and they can give me credit when they add this cleaning procedure to their manuals...
4342387
These are great. I have them for 2.5 years and the sound is the best you can get. Only problem is that after a year, they started shocking my ears if I move much. I use them at work sitting in my desk, but I try to not move a lot to not get shocked. I'm not sure I could use it with my mobile phone. If it wasn't for this little inconvenient, these would be perfect. I'm still hoping to use them for many years, if the shocking doesn't get worse.
1831470
Beautiful to look at, and fantastic sound, for the price ... when they work. Unfortunately, this manufacturer has some *serious* quality control issues, making these speakers something to be avoided. The first unit I received had a remote that worked only intermittently, out of the box, and then not at all after about fifteen minutes. This turned out to not be just a bad battery, either. After ~24 hours, the subwoofer began emitting random pops and static/scratch sounds. After ~48 hours, it produced a constant hum, even when connected to no input, in addition to the other unwanted sounds. And then the control panel [on the subwoofer] quit working. Amazon replaced this with a second unit, whose remote and control panel both did not work, right out of the box. I didn't wait to see if this one also developed the random noise output; returned it the next day ... for a refund, this time. I will try another brand, the next time, although, sadly, there seems to be nothing else on the market with the potential that these seemed to have. (Never did try the USB/SD input on either unit, so can't comment on QC issues on this aspect of the devices.)
242011
The sound from these earphones is amazing!  That being said, I bought my earphones only five months ago and the cable is already damaged near the connector.  (audio from both channels is distorted or absent at times)  It seems the cable is too delicate, even though I've been taking great care of these babies.  I have no idea why the adapter is not a 90-degree type, since the straight model is more prone to bending in my pocket.... This contributes to the premature cable failure.
674303
May I know why they have noise? I thought it's defective. I'm afraid they can burn out in the future!
2246127
I've loved this receiver for the past two years, but like many other reviewers mine died (no audio output). Using information from another reviewer who shipped his back; It's going to cost me $50 to have it shipped back if I chose to have someone repair it. Guess it could be worse and have caught on fire like another reviewer.
2581512
For the money, these headphones have a great sound with a decent bass response. Unlike many others of their kind.

The usual issues however are:
1) it has an LED that flashes when they are on that literally lights up a dark bedroom like a flashing neon motel sign outside your window.
2) Since they are fairly deep and protrude a little from your head, (like many such designs) they want to fall off with too much movement and really make you keep your head centered when laying in bed.
11106
I gave 2 stars because the speakers actually sound good. The bad news is they only lasted about 2 hours before the left sub seized up. When I open my trunk there was smoke coming out of the ports.