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  • Klipsch Reference S4i Premium In-Ear Noise-Isolating Headphones with Microphone (Black) (Discontinued by Manufacturer)
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Klipsch Reference S4i Premium In-Ear Noise-Isolating Headphones with Microphone (Black) (Discontinued by Manufacturer)

by Klipsch
150 customer reviews
| 4 answered questions

Currently unavailable.
We don't know when or if this item will be back in stock.
  • Advanced 3-button mic and remote system Full music and/or voice control on select Apple products*
  • Patented oval ear tips for unbeatable comfort
  • 360 degree mic yields highly intelligible phone calls
  • Durable home theater style cables with built-in strain relief
  • Superior noise isolation and amazing bass response

There is a newer model of this item:

Currently unavailable. We don't know when or if this item will be back in stock.

Technical Details

  • Noise-Isolating-Feature
  • Noise-Cancelling-Feature

Product Description

Revolt against on-hold music. Control your playlist and calls with the latest technology. The Klipsch Reference S4i packs a punch along with its 360-degree microphone. Patented headphone features and legendary Klipsch performance combine to replicate the sound of Reference speakers. Connect with the S4i, and the Reference bloodlines become unmistakable.


Product Details

  • Product Dimensions: 4.5 x 1.3 x 8.2 inches
  • Shipping Weight: 3.5 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B005ZNHK4Q
  • Item model number: Reference S4i
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (150 customer reviews)
  • Amazon Best Sellers Rank: #179,800 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
  • Product Warranty: For warranty information about this product, please click here
  • Discontinued by manufacturer: Yes

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

129 of 142 people found the following review helpful By JC on March 6, 2012
Color: Gold Verified Purchase
Let me start by saying that I really do like my Reference s4i headphones. But I want to point out that there may be some misinformation floating around, including info within the reviews here on Amazon.

I was struggling to detect any noticeable difference between my Reference S4i headphones and my wife's "Image S4i". After letting it mess with my head for a while, I sent an email to Klipsch asking exactly what the difference is between the 2 models. I got a reply back from Klipsch saying that the only differences are the "earbud color, style and cable color. The specs are the same for both".

So don't buy these thinking they are going to sound any better (or different for that matter) than the "Image" model. And if you think they do sound better, enjoy your $20 placebo effect!
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53 of 61 people found the following review helpful By Gabe on December 12, 2011
Color: Gold Verified Purchase
My dad introduced me to Klipsch speakers at a very young age, and since then I've bought nothing else when it comes to audio products. Headphones are no different: I got a pair of Klipsch S4's not long after they came out, and the S4i's basically the day they came out. They've been fantastic for me, they sound like headphones that should cost hundreds of dollars more. Once I used them once I could never go back to the crappy headphones iPods come with. The only problem I had with the S4 and S4i's are the slightly overpowering bass. I say slightly, because it's very slight and not noticeable to most people, but me being a self-proclaimed audiophile, I notice. The stronger bass makes sense for pop and hip-hop music, which is the music most of the target audience of the headphones listen to, but for jazz, classical, and even rock, the bass can be a little overpowering at times. I love bass, but I love treble just as much, and I would like both to be balanced out equally.

That's where the Reference S4i's come in. The headphones are re-tuned to sound more like the Klipsch Reference speaker line, and speaking as an owner of these very speakers, they achieve it. If you love hearing subtle things in a song, these headphones are fantastic. Soft symbol and tom hits on the drum track while playing jazz are clearly heard; something I couldn't always say with the S4i's. Strums of individual strings are heard with vivid detail. Even egg shakers in the background can be heard! It's amazing what new things you'll hear in your favorite songs with these headphones!

The aesthetics of the headphones enjoy an upgrade as well.
Read more ›
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7 of 7 people found the following review helpful By Pseudonym on May 8, 2013
Color: Gold
If you purchase this at normal retail prices, the cost is usually around $40. But many listeners, myself included, find that the sound quality equals that of even more expensive standalone headphones: clear, full, and accurate. Some users may find a few tip will be helpful:

1. Experiment with tips. These come with a selection of rubber tips, and the majority of listeners will find one that fits their taste in music. You can also gain substantial sound quality by using a third-party maker like Comply, who even provide a selection of foam tips. The larger tips allow fuller closure, and deeper bass (if that's what you're looking for).

2. De-kink the cable. Some users have complained about the cables, which seem inflexible out of the box. Don't bother trying to smooth them out manually; instead, make sure they're straight while using a warm hair dryer.

3. Don't pull the terminal ends. Klipsch products are pretty sturdy and long-lasting, but a key to a long product life includes avoiding stress of the terminal ends of the buds. Instead of tightly wrapping the cables, roll them loosely.
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4 of 4 people found the following review helpful By C. Peterson on February 17, 2012
Color: Gold Verified Purchase
At my age it is not very often that I get to say that something is the best I have experianced. Sad right? I'm not an engineer or expert on sound, at most perhaps an amateur audiophile. Music has always been an important part of my life and I have always tried to listen on the best equipment I could afford which after the bills get paid was never enough to buy the top of the line, but decent enough components. I remember going from mono to hifi, it was the best I ever heard. Then going to a true stereo system was the best. Then quadrophonic - nevermind on that. My first Dolby cassette player was as good as it gets followed by the the first time I heard a CD with decent speakers I was floored again. Up to now the absolute best listening experiance I have had was using Bose headphones plugged into a good music system. Well I'm happy to report that the Klipsch Reference S4's have delivered my new best music experiance. I have tried cheaper earbuds and was never impressed. There was no way that I was going to spend over $100 for another pair. After receiving an Amazon gift card for Christmas I decided to give these a try and was blown away by the clarity of the sound without any ear discomfort. These have replaced my Bose headphones in my travel kit. They are much easier to travel with as I can put them in my top pocket with an Ipod in the terminal before boarding the plane leaving my hands free to deal with luggage etc. Couldn't really do that with my overear headphones. They seem sturdy enough, but the case that comes with them is not up to the same quality. It is small and difficult to load. Other then that I am very pleased. Maybe some day I can afford the more expensive in ear headphones mentioned by others here and experiance another best, but until then these will do fine and I heartily recommend them.
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