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4th Of July

Klipsch Reference S4i Premium In-Ear Headphones with iPhone/iPod Remote & Mic

Reference Series In-Ear Headphones with Mic/Remote System and Noise-Isolation (1013731)

Discontinued
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We apologize

This item has been discontinued

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Portable Sound Efficiency

Klipsch was founded in 1946 and has been manufacturing highly efficient and precise sounding products for over 60 years. With the major changes in the audio market, personal audio has become a very significant standard in every day life and Klipsch has brought their over 60 years of experience into their Reference Series headphones. Klipsch's patented oval ear tips will create a natural fit and feel into the ear canal. The oval tips will give an acoustic seal allowing for minimal outside disturbances thus providing a clear and precise sound. The Reference Series by Klipsch introduces an in-ear headphone that provides unrivaled comfort and superior noise isolation for musical preciseness and enhanced bass.

The Reference S4i high-performance headphones offer larger housings, each with exclusive Dual-Magnet Micro-Speakers, giving the S4i a larger output, better accuracy and bass response. The Reference S4i features an enhanced home theater-style cable, four sets of ear-tips for even more custom fit, and improved voicing on drivers.

Product Features:
  • Klipsch In-Ear Reference S4i Series Headphones with Mic and Remote System, and Noise Isolation
  • Dual-Magnet micro-speakers
  • Realistic sound through the use of a single, moving coil driver
  • Advanced 3-button mic and remote system
  • 360° microphone with echo cancellation
  • Full music and/or voice control on select Apple devices
  • Wide frequency range with dynamic detail
  • Exclusive soft and flexible oval earphone to nestle well within the ear canal
  • Superior noise-isolating design
  • Delivers smooth sound with great bass
  • Durable, tangle resistant cables to avoid unwanted tangling
  • Durable, built-in strain relief for unbeatable comfort
  • Angled nozzle for proper in-ear alignment
  • Great for long-term wear
  • Four different sizes of washable ear tips are included to match the size of your ear canal
  • Authorized Internet Dealer
  • 2-year Manufacturer's warranty
Product Specifications:
  • Driver Type: Dynamic Moving Coil Micro Driver
  • Connector Type: 1/8" Standard mini plug (gold over brass)
  • Headphone Type: In ear
  • Frequency Range: 10-19,000 Hz
  • Drive Components: Full range KG 25
  • Sensitivity: 110dB
  • Impedance: 18 ohm
  • Isolation: -16dB
  • Weight: 11.9 grams
  • Color: Black.
  • Also found as: ReferenceS4i, 1013731, Reference S4i Black
Package Includes:
  • 4 sets of ear tips (small, medium, small/medium and large)
  • Ear tip cleaning tool
  • Carrying Case
  • Owner's manual

Sonic Electronix Insights (Scale from 1-5, 5 Being the Best)

Comfort & Ergonomics
Rates how comfortable the headphones are, taking into account build quality and materials used. Judged on a scale of 1 to 5 with 1 being uncomfortable and 5 being so comfortable you could sleep while wearing them.
Overall Audio Quality
Overall rating of how well the headphones perform with 1 being an unimpressive audio quality and 5 being the absolute best.
Hip-Hop, Rap, EDM, Dubstep & Pop Optimized
How well the headphones perform for hip-hop, rap, EDM, dubstep and pop music genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
Rock & Alternative Optimized
How well the headphones perform for rock and alternative genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
Instrumental & Classical Optimized
How well the headphones perform for instrumental and classical music genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
Optimized for All Genres
Rates how well the headphones perform for all music genres with 1 being not recommended and 5 being top-of-the-line music reproduction.
Build Quality
Overall Construction quality of the headphones. This rates on a scale of 1 to 5 the overall construction quality of the headphones with 1 being the poorest quality and 5 being as close to indestructible as a pair of headphones can get.
Design
Overall design of the headphones. This rates on a scale of 1 to 5 the overall design of the headphones, including construction, sound quality and accessories with 1 being the lowest and 5 being top-of-the-line.
Isolation
Rated on a scale of 1 to 5 with 1 being no isolation and 5 being complete isolation, this gives you an idea of how well the headphones seal your ears from your surrounding environment.
Value
Value refers to the quality of headphones (how they sound, how they're built, etc.) for the price.

Sound Signature

Sound Staging & Imaging
Sound Staging and Imaging refers to the ability of a pair of headphones to create the placement of instruments and vocalists in a recording. A small sound stage is very difficult to determine where the instruments are in relation to the vocalists, everything sounds like it's coming from the same place. An extra large sound stage separates the instruments and vocalists so that you can clearly tell where each is on the sound stage.
Clarity/Detail
Refers to how clear the headphones audio reproduction is.
Tone/Timbre
Refers to the quality of a music note that distinguishes different types of sound production (voices, musical instruments, etc.).
Bass
Refers to the bass performance of the headphones. Rated from Light bass to extreme bass.
Bass Detail
How accurately a headphone can reproduce bass notes; a culmination of attack, speed, decay and clarity. Attack is how precisely it can begin a bass note without delay. Speed is the ability to continue to attack an array of bass notes without lagging. Decay is the length of time after a bass note ends that the sound is still heard. Clarity is how easily all bass frequencies are heard. It gives perception of loose, tight, or muddy bass.

Headphone Design

Headphone Type

This is the design of the earpieces on the headphones. Some headphones go inside the ear, while others rest on the outside of the ear. This helps you know exactly what type of headphones you will be receiving.

In-Ear: The ear buds go into the ear. Most often, the right and left ear buds are two separate pieces.

Enclosed-Ear: Usually are found on the larger headphones. They rest on top of the ear and have padding for comfort, as well as enclosing the ear to the speaker. This type of headphone helps to filter out surrounding noise.

On-Ear: This type of headphone involves the speaker sitting gently on the ear without going in the ear or sealing it off.

In-Ear
Headband Type

Headphone type refers to the construction of the headphones.

Around the Ear means that the headphones wrap around the ear to provide a secure fit. This is most often seen in active and sports headphones.

Around the Neck means that the headphones wrap around the neck. This is also seen in active and sports headphones.

Earbuds means that the right and left sides of the headphones are separated and will fit securely into the ear. These are small, compact, and user friendly.

Over the Head headphones mean that the right and left speakers are connected with a support that goes over the head and rests on top. This is the typical headphone type.

Earbuds
Specifically For
Some headphones can use an IR Transmitter in your vehicle, while some can be plugged into your media device and be used on the go or at home.
Home/Portable
Headphone Application

This is the application that the headphones are designed for. Each application has unique features that make it perfect for particular uses.

DJ: These headphones are durable, loud, and will often allow for one ear listening.

Gaming Delivers explosive sound and allows you to communicate with others.

Home Hi-Fi: These audiophile headphones are engineered to produce high fidelity and accurate audio.

Home/Office: These headphones are designed to produce rich, brilliant sounds that the artists would appreciate.

Sports: Designed for active use. These headphones are made to stay in (or on) the ear during workouts.

Kids: Feature noise limiting technology so that your little ones don't damage their ears listening to music too loud.

On-the-Go: On-the-go headphones are lightweight and often fold up for easy storage and portability.

Student: Compact and rugged enough to survive life in a backpack; inexpensive enough to not hurt the wallet of a student.

Studio: Reproduce music perfectly without any coloration. Look here for reference quality studio monitoring headphones.

Traveler/Airplane: These headphones are compact, lightweight, and have a portable design.

Home/Office
Student
Traveler/Airplane
Acoustic Principle

The basic design of the headphones. There are 3 different types:

Open: Have ports that allow air through the back of the diaphragms, enabling the headphones to sound like the music is coming from an outside source.

Closed: Completely sealed and have no air passing through the diaphragms. Sounds like you are in a closed off room.

Semi-open: Have slots or ports in the back of the cup and are partially open. This allows for a mixed sound between an open and closed headphone.

General Features

Noise-Canceling
Noise Reduction technology removes unwanted noise from a signal. Background or ambient noise can be removed to produce clearer speech and enhanced hearing. Typically these Active Noise Canceling (ANC) headphones are powered and use batteries to activate the noise canceling technology. Also referred to as Noise Reduction or Noise Cancellation.
No
Device Controls & Compatibility
Refers to the devices the in-line controls are compatible with.
Built-In Microphone
This means that the headphones or earbuds have a built-in microphone. This can be a microphone on the cord, built into the headphone, or even a boom microphone. These mics can be used for music devices like iPods, for Smartphones to make and receive calls, or for gaming purposes.
Yes
Smartphone/Tablet App Available
These headphones have a companion app available from the manufacturer. These apps are generally available on both the Google Play Store and iTunes for Android and iPhone use. They usually include an equalizer and other controls to give you complete control over your music.
Equalizer/Tunable
This means the sound of these headphones can be customized to your listening preference through either an app or on-board controls.
Headphone Connection
This is how the headphones connect to the audio source.

Corded means that the headphones use a cord to transfer the audio signal.

Bluetooth means that the audio signal is transmitted from your device to the headphones via a Bluetooth connection.

Corded or Bluetooth means that the headphones can be used as corded headphones or as Bluetooth headphones. They have an input in one or both earcups for use as a corded headphone while they also have a built-in battery for use as Bluetooth wireless headphones.

Wireless means that the audio signal is transmitted wirelessly to the headphones.

Corded
Volume Adjustment
Volume Adjustment means that the headphone (independent of the source) can adjust the playback volume. Many headphones and ear buds have in-line volume control, which allows adjusting the audible volume from a switch on the headphones cord. Other headphones have a volume knob on the headphone can.
Yes
Bluetooth Version Compatibility
Which version of Bluetooth the device is compatible with. Is it important that the both devices being paired are the same version of Bluetooth. For example, a Bluetooth version 2.0 cell phone can be paired with a compatible version 2.0 headset.
aptX Codec
Refers to whether these headphones feature aptX Bluetooth audio streaming.
Jack Size
Refers to whether the headphones use a 3.5mm or 1/4" headphone jack connection.
Jack Angle

The Jack Angle refers to the angle of the input jack on the headphone cable.


Straight Jack: Straight plug with no angle.


Angled Jack: Angled plug, usually a 90 degree angle.

Swivel Jack: A swivel jack is able to swivel between a straight plug and an angled plug.

Included Adapters
Refers to the connection adapters included with the headphones like 3.5mm or 1/4" input adapter as well as airplane adapters that let you use your headphones with airplane specific headphone jacks.
Detachable Cable
Refers to whether the cable can detach from the headphones. If a pair of headphones has a detachable cable, the cable can be replaced with a longer cable, one with (or without) a microphone or if you accidentally damage the cable.
Color Shades
Primary color shades of the headphones.
Material
Refers to materials used to build the headphones. Most headphones are built from some combination of plastic and metal to give you a durable pair of headphones.
Ear Cushion/Earbud Material
Refers to the material that the ear cushions/earbuds are made from. Ear cushions and earbuds are available in a variety of materials, ranging from basic rubber eartips to plush leather ear cushions intended for maximum comfort.
Replaceable Ear Cushions
Refers to whether the ear cushions can be removed and replaced. Often times on heavily used headphones, the ear pads can wear out long before the actual headphones. Headphones with replaceable earpads often last much longer than headphones without replaceable earpads.
Protective Case
Refers to whether a pair of headphones come with a protective case.
Weight (oz.)
This is the weight of the unit in ounces.
Water Resistant
This refers to the level of water resistance of the fitness tracker. Some fitness trackers are water resistant and can be used while swimming, while others are only splash proof or should not be used near the water.
Child Safe
Refers to whether a pair of headphones are designed specifically for children. Child safe headphones feature volume limiting technology so that your child canít damage their ears while listening to music.
Foldable
Refers to whether a pair of headphones can be folded up. These headphones feature hinges in the frame above the earcups that allow the headphones to neatly fold into a much more manageable size. Folding headphones are perfect for anyone who spends a lot of time traveling and needs a compact pair of headphones that can fit in their bags.
Ear Hooks
These headphones feature hooks that wrap around your ears for a secure fit.

Gaming Headphones

Compatible Systems
Refers to what system(s) these headphones are compatible with.
Wireless Type
Refers to the wireless connection type used by these headphones.
USB Connection
Refers to whether these headphones can be connected via USB.
Noise Cancelling Microphone
Refers to whether the microphone eliminates ambient noise for crystal clear conversations.
Detachable Microphone
Refers to whether the microphone can be detached from the headphones.
Microphone Impedance
The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
Microphone Frequency Response
The range of frequencies the microphone will pick up (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better.
Surround Sound
Refers to the surround sound type used by the headphones.
Separate Game & Chat Volume Controls
Refers to whether the headset has separate volume controls for the game and chat channels.

Home Wireless Headphones

Hub Connection Type
Refers to how the hub connects to your home stereo system
Wireless Type
Refers to the wireless connection type used by these headphones.
Wireless Range
The maximum distance the headphones can be from the hub and still work in feet.

Audio Features

Driver Type

The physical design of the driver in the headphones.

Balanced Armature:
A balanced armature driver uses a coil wrapped around an armature which is held in between two magnets until it is stimulated by an electrical current. When stimulated, this armature is magnetized which causes it to rotate one way or the other around a pivot point which moves the diaphragm to create sound. Balanced armature driver headphones are generally earbuds and can have multiple drivers in each earbud.

Dynamic:
Dynamic drivers are the most common driver type. They feature a permanent magnet, usually neodymium, a voice coil and a conical diaphragm to drive your music. A dynamic headphone driver looks pretty much identical to any typical home theater speaker.

Electrostatic:
Electrostatic drivers are made up of an extremely thin membrane, usually a coated PET film, stretched between two metal plates. An electrical signal is applied to the metal plates to create an electrical field which, depending on its polarity, draws the speaker diaphragm toward one of the plates which forces air through the perforations in the diaphragm which generates the sound wave.

Planar Magnetic:
A planar magnetic driver is made up of a large membrane suspended between two sets of oppositely aligned magnets. An electric charge is applied to the membrane to induce movement and produce sound waves.

Impedance
The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
18 ohms
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
110 dB
Driver Size
This refers to the diameter of the driver (speaker) on each side of the headphone.
Power Output
Refers to the power output rating (in watts) of the headphones.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
10 - 19,000 Hz
Audiophile
Audiophile headphones represent some of the finest headphones available. Audiophile headphones produce genuinely outstanding sound quality as well as extraordinary build quality, components and comfort. They are truly the finest headphones available.
Built-in Amplifier
This refers to whether the headphones have an amplifier built-in.
Amplifier Recommended
This refers to whether a separate headphone amplifier is recommended for use with a specific pair of headphones. It is highly recommended that any headphone with an impedance greater than 100 ohms be amplified.
Pass Throughs
Refers to whether a pair of headphones has an output to connect to another pair of headphones.

What is in the Box?

Main Product
The main product in the box.
Accessories
Accessories included with the headphones
Paperwork
Paperwork included with the product.

Specials with this Item

Promotions
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Warranty and Return Policy

Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
64%
4 Star
29%
3 Star
7%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.4
Value
4.4
Features
4.5
Design
4.5
Usability
4.5
PFM

St Petersburg, FL

Overall
Durability
Value
Features
Design
Usability
Enjoyable Listening

November 27, 2012

Excellent product. Earpieces fit and sound adjustments are very good. Case protects the earphones when travelling. I use them daily on IPAD & IPhone

5 of 8 found this helpful

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DRUMMERMAN

WOODLAN PARTK NJ

Overall
Durability
Value
Features
Design
Usability
COMFORTABLE EARBUDS !!!!! EXCELLENT SOUND !!!!!

November 12, 2012

Let me just say that these earbuds are the only pair that fit my very very small ear canal with the tips that come on out of the box. They come with a total of four from really small to larger. They will definitely fit all ears. Not like all the other'd out there that hurt your ears after 10 minutes these you will not know there there after hours of listen pleasure. Great sound reproduction from lows to highs to good bass. Very light so very comfortable. Good company to purchase from !! Great price and fast delivery. Buy these buds from this company an be happy listening to your music without ear pain !!!!! Thanks !!

5 of 8 found this helpful

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Jose

Walnut Grove, CA

Overall
Durability
Value
Features
Design
Usability
Klipsch Reference S4i In-Ear Headphone

June 3, 2013

I bought these headphones because my other headphones wouldn't fit in my iPhone headphone jack with a case on it. It has been almost a year since I purchased these and they are still great. I like the built-in microphone for making calls, people can here you without having to move it close to your mouth. I like the sound quality from the speakers good highs and lows, just make sure you choose the right rubber adapter for ear. Overall I'm very happy with them and would definitely purchase them again.

4 of 7 found this helpful

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Kevin

Canada

Overall
Durability
Value
Features
Design
Usability
Incredible sound

March 25, 2013

These headphone have the most incredible sound. I had the regular S4i headphone before trying these. No comparison, these are significantly better. Glad I upgraded, no regrets.

4 of 7 found this helpful

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Mooms

Australia

Overall
Durability
Value
Features
Design
Usability
Excellent headphones

January 6, 2013

The sound quality is hard to beat at this price.

4 of 7 found this helpful

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JDP

Nyc

Overall
Durability
Value
Features
Design
Usability
Great headphones

December 19, 2012

Super durable and overall great headphones. Love the control buttons also

4 of 7 found this helpful

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Joseph

Mexico

Overall
Durability
Value
Features
Design
Usability
A glowing reference!

November 19, 2012

I consider many options, read a lot of reviews, did a whole research, I was looking for something that could reach my standards. After more than six months of use and new options out there I would still buy these. To begin with, Sonic Electronix offers an unbeatable price and ships without issues. You get the value for your buck. Iím really amazed, the 18 ohms impedance matched with the noise isolation allows to listen even at the lowest volume set. Itís true that you experience each and every single instrument, honestly, like listening to your music for the first time.
Some facts: 1. you might have a hard time for them to fit your ears, but thatís solved with the right tips, 2. if not fitted properly you would miss bass, that if you actually notice, weíre talking about the bass you miss with most commercial headphones anyway, 3. they give you a fragile feelingÖ but no, theyíre not that fragile, the new cables with built-in strain relief really do their job, Iíve been using them everyday to deal with public transportation, they donít have a scratch, and no, the cord doesn't get tangled 4. the only issues you get are those for any other in-ear, but these are the only ones who would match, if not beat most speakers.
They sound so natural I usually find myself forgetting Iím wearing them, theyíre really light but they can sound like a concert. You would never look back, theyíre indeed a reference.
P.S. the case is just the right size as you can check on any picture, but it has a custom size foam inside which you can actually take away if it gives you any troubleÖ

3 of 5 found this helpful

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Jim

Baton Rouge, LA

Overall
Durability
Value
Features
Design
Usability
Earbuds

November 12, 2012

Great set of earbuds. Works perfectly with my iphone. Excellent sound and comfortable.

4 of 7 found this helpful

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Lori

Canada

Overall
Durability
Value
Features
Design
Usability
Klipsch Reference S4i

November 1, 2012

I really like these earbuds, big improvement over what came with the iPhone. Those became uncomfortable to wear for more than 15 minutes, whereas I can wear the Klipsch for a long time. Having a bit of trouble with the size of the foam, the large is too large and the medium is too small. I just read on someone's review about Comply TX-100 foam tips, I think I'll buy them. Great sound and comfortable to wear.

3 of 5 found this helpful

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Boris

Israel

Overall
Durability
Value
Features
Design
Usability
best earbuds under 100$

October 18, 2012

I won't waste your time and just say, that even after almost 4 years since the release date "klipsch image s4" is still the best earbuds for under 100 (or maybe even 200$). Klipsch reference s4i is basically the same earbuds but with a few cosmetic enhancements, mic and also a remote optimized for apple devices. The only negative aspect of this product is the case, its too small and it takes too much time to cram in the earbuds. If you own an android based devise check the s4a model that is optimized for android. If you are looking for better ear tips you should check Comply TX-100 series foam Tips.

3 of 5 found this helpful

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Actarus

Canada

Overall
Durability
Value
Features
Design
Usability
Great for the price

October 17, 2012

Very good sound, and very comfortable. But they are not easy to put on, they don't fit as perfectly as other models. The design may not please all.

If they are not placed well, you hear ambient sound and no bass.

3 of 5 found this helpful

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SC

Littleton, CO

Overall
Durability
Value
Features
Design
Usability
I Pod earphones

September 28, 2012

The ear phones that come with an I Pod are unbelievably uncomfortable. I started looking at something better but still as portable. Looked at the Klipsch S4i and ended up purchasing them. Very comfortable although I think they are a bit over priced. The wiring also twists and is hard to keep out of the way when exercising with them.

3 of 5 found this helpful

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Brad

Wichita, KS

Overall
Durability
Value
Features
Design
Usability
Excellent In-Ear Headphones!

June 12, 2012

I own lots of Klipsch audio products, and the Reference S4i In-ear headphones are excellent! They deliver crisp, clear detail. Well rounded highs, mids and lows that the reference series are known for. They look nice and the controls on the cable are very functional. The Reference S4i's are well worth the purchase!

3 of 5 found this helpful

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Dirk

Germany

Overall
Durability
Value
Features
Design
Usability
Klipsch S4i Reference

December 20, 2011

Hello,
i'm from germany and sorry my english is not so good. I have first the s4i and i was amazed what a wonderfull sound these headphones are have,i love my s4i headphones, I have them in white black and now the reference s4i, they are perfect and sound a little bit better as the image s4i. They look so much better, my new favorite for all times !!!
I love the quallity and the warm and precision sound and i would buy them every time again the best sound and quallity for your money, when you hear it you want it 100%!!!

Thanks, Dirk H.

5 of 9 found this helpful

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Daniel

Lancaster, CA

Overall
Durability
Value
Features
Design
Usability
great sound

June 27, 2013

I really like the way these sound and the amount of noise they can cancel out. the wire is heavy duty and not easily broken.

3 of 6 found this helpful

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Orion, MI

Overall
Durability
Value
Features
Design
Usability
High quality, minor issues

June 15, 2013

Very good quality earphones. Probably the most comfortable passive noise cancelling units you can buy. Bass is too exaggerated (I use with "bass reducer" setting on iPhone EQ). Only other complaint is the cable which is stiff and takes a set to the shape it is in the box and apparently stays that way for good.

3 of 6 found this helpful

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Asurbanipal

Italy

Overall
Durability
Value
Features
Design
Usability
Wonderful Choice

June 5, 2013

I am Italian so first of all, sorry for my english.
I liked to do this review because this product has solved all my problems with earphones. I've changed more than 10 usual earphones before discovering these fantastic Klipsch earphones.
Quality is more than excellent!
Thanks a lot to the mnufacturer, brilliantly simple!!!!

3 of 6 found this helpful

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Luke

Marysville, WA

Overall
Durability
Value
Features
Design
Usability
Love Them

December 18, 2012

Very comfortable, have tried others and these feel the best. I use them as ear plugs everyday i work and listen to music about half the time I wear them. They are a bit spendy but worth it by far for me.

3 of 6 found this helpful

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Russ

Lake Park, GA

Overall
Durability
Value
Features
Design
Usability
Klipsch Earphones S4i

June 18, 2012

Best sound quality of all the earphones I have owned including Bose. However, due to their larger size these earphones will not stay in your ear when riding a motorcycle. I don't wear a helmet and the wind blows the earphones right out. I am sure they would work well for anyone who wears a full face helmet and of course for anyone not riding a motorcycle.

3 of 6 found this helpful

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Nate

Springfield, MO

Overall
Durability
Value
Features
Design
Usability
Good Headphones

June 11, 2012

Good sound, the cord doesn't get tangled, and they stay in ear really well. What's not to like? The only issue I had is that the built-in controls don't work for some older devices, but as long as you check compatibility first you should be fine.

3 of 6 found this helpful

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hillhippie

hazard,kentucky

Overall
Durability
Value
Features
Design
Usability
another great product from klipsch

January 5, 2012

I am very pleased with the klipsch reference s4i earbuds, the mids and highs are everything that you would exepect from klipsch, the bass was another nice suprise, not to heavy, not to light, just right, smooth and flowed with the mids and highs, it did not matter what type of music that I listened to. I would recommend these earbuds to any body that likes to listen to every instrument in the band, you will hear it. The cords are just the right length, the mic works perfect. The volume buttons work nice as well, plus they look great with the black and copper, a very nice look. Pros, everything, cons, none.

3 of 6 found this helpful

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Dan

Nyc

Overall
Durability
Value
Features
Design
Usability
Not bad

July 24, 2013

They are ok for the price. The mic is a bit too low and some people find it hard to hear me over the phone

2 of 5 found this helpful

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a.muse

Brooklyn

Overall
Durability
Value
Features
Design
Usability
Best sound quality of any headphone I have tried.

June 1, 2013

I rarely write reviews, and I only received my earphones in the mail today, but I was so impressed that I felt the need to review these. They are far and away the best sound quality of any earphone I have tried. The separation is very good, base is distinct and not overpowering, treble is clear and not tinny, mid range is balanced.

I have also owned Klipsch S4i's which I loved, but these are even better. I can only hope they last! I will assume that they do for the purpose of this review.

Lastly, Sonic has the best price for these by far.

2 of 5 found this helpful

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Sergii

Ukraine

Overall
Durability
Value
Features
Design
Usability
Great headphones for the price!

March 18, 2013

Great product, I really like the sound quality and noise isolation is excellent as well. Also, convenient for my ears. Overall, great product for the price!

2 of 5 found this helpful

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jmw

Atlanta, GA

Overall
Durability
Value
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Better than $250 Earphones

February 1, 2013

First, a tip: try putting the Right earphone in your LEFT ear, and vice versa. I get a much more comfortable fit, better seal and sound this way. I think it looks better, too. If you're not getting a good seal at first, twist them slightly.

My first earphone purchase was Bose, I had trouble keeping them in my ears, and the Bass was very boomy, I looked for something else. I've been a Sennheiser earphone fan and user for years, starting with their $80 model (I don't remember the name) and working my way up to their very good IE6 unit. I thought they were really great, loved the sound. I listen to some classical, some jazz, some acoustic, and a lot of pop.

Almost all of my music is in AIFF or ALE encoding, very few MP3's or AAC's. Can't have as much music on my iPhone, but the quality of sound is worth it to me.

Was very satisfied with the IE6's. But after several years of daily use, they were literally falling apart.

My budget is much tighter than it was when I bought the IE6's, so I searched the internet reviews on dozens of earphones. I decided to try the S4i Reference, bought them here at Sonic Electronix.

One of the best purchases of any kind I have ever made. The quality of sound is much better than my $249 IE6's (okay, I paid that several years ago, the current IE60's are less expensive).

They do have a somewhat boosted bass compared to Sennheisers and other brands I've listened to. But it's definitely NOT booming or muddled.

Bass (especially the kick drum) is tight and thumping, which I have come to really love. Mids are clear, maybe a bit warm, Highs are clear and crisp. I can hear more detail than with the IE6's, and more instruments. Separation is superior. Classical, jazz, pop, rock all sound superb through the S4i Reference.

Absolutely excellent sound all around. Incredible sound for the money.

The S4i Ref's comfort is outstanding. I bought a set of Comply foam tips to use with these, but to my surprise, I find the standard Klipsch tips more comfortable. As mentioned above, I wear them in the "wrong" ears, and I can wear them for 8+ hours in complete comfort. Noise isolation is good, but don't expect total silence (I have children, so that's a good thing, I don't need to be completely out of touch).

As many have noted, the cord stays in the shape it was folded into in the package. The wire from the microphone to the jack is stiffer than any earphones I've seen (some insist that the cord is not thicker, but it's definitely stiffer), maybe that's why it doesn't straighten out. I usually have the cord running under my shirt and keep my phone in my pants pocket, so the cord doesn't get in the way, and the bends don't show. Even wearing it that way, the microphone works very well, callers hear me perfectly.

As I said, this is one of the best purchases I have ever made, I am extremely happy with the S4i Reference, and highly recommend them. If you want really excellent sound and amazing comfort, get the Klipsch S4i Reference.

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GBOUK

Australia

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Very crisp audio

December 23, 2012

Very impressed with these headphones. Least importantly, they never tangle which is a nice touch. The sound is very crisp and I find it hard to believe you could get any more bass out of a set of in-ear headphones - but if you could, a little more wouldn't hurt. I could never go back to el cheapo headphones after these. Everyone who has used them has been particularly impressed by sound quality, comfort and the sense of noise canceling they create when using them in a noisy environment.

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Frooonk

Glendale, Ca

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With Comply Foam Tips they're amazing.

April 11, 2013

I use these with Comply Foam ear tips and they sound great. I was a little disappointed with how they sounded with the included tips. I tried the different size tips, but was never really impressed with the sound. I expected them to sound really good but they didn't until I tried the Comply tips, what a difference! Love these ear phones for my day hikes and dog walks.

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cmarti

Orlando, FL

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Klipsch Reference S4i

November 26, 2012

I got these six months ago and I love them more now than then, they sound superior than the Normal Klipsch S4's.

I am not sure why but they do sound like earphones 4 times more expensive from what I paid.

They are still like new and I use them for exercising and for making phone calls, the microphone is excellent.

I like them so much that I just ordered the Klipsch X10's.

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Accessory Tools and Products

Accessories added

Limitless Creations Earbuds Case

Universal Thermoformed EVA Ballistic Nylon Shell Case for Earphones w/ Soft Inner Lining

Your Price $4.99

StreetWires ZN5XF35

ZeroNoise 5 Series 3.5mm (1/8") mini-jack extension cable with oxygen-free copper wire

Your Price $16.95

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Product Summary

Manufacturer

Model Number

Reference S4i

UPC

743878023558

Weight

0.22lbs

Internal SKU

references4i

Internal Product ID

42528

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Klipsch Reference S4i Premium In-Ear Headphones with iPhone/iPod Remote & Mic