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KEF M100

In-ear headphones with Apple® remote and microphone (Sunset Orange)

Item # 991M100SO

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Overview

Our take on the KEF M100

Although I'm currently testing several different kinds of headphones, lately I reach for the KEF M100 in-ears as soon as I wake up. Whether I'm making coffee, letting the dog out, or packing lunch for the day, it's just so easy to pop in these earbuds and go through my morning routine. With the M100s, KEF certainly brought their 50-plus years of sound expertise. And they clearly understand the importance of a comfortable fit.

Grab-and-go headphones with a sound pedigree

KEF M-100

The KEF M100 in-ear headphones are specially angled to fit securely and deliver clear sound.

Although I'm currently testing several different kinds of headphones, lately I reach for the KEF M100 in-ears as soon as I wake up. Whether I'm making coffee, letting the dog out, or packing lunch for the day, it's just so easy to pop in these earbuds and go through my morning routine. With the M100s, KEF certainly brought their 50-plus years of sound expertise. And they clearly understand the importance of a comfortable fit.

Designed for top performance

The M100's precisely angled drivers are designed to minimize distortion and deliver pure, dynamic sound. I found these headphones particularly strong in the mid-range, where most music lives, but what struck me more was how they handled speech. I listen to a lot of podcasts, and they aren't always top-quality recordings. The M100's combination of noise isolation and the unique driver design made the dialogue come through clear. Without cranking the volume up to dangerous levels, I was able to follow the back-and-forth conversations.

Product Highlights:

  • 10mm dynamic drivers deliver full, natural sound
  • earbuds precisely angled and engineered for noise isolation and lowered distortion
  • 51" cable with a 3.5mm miniplug
  • in-line three-button remote lets you control music and volume on Apple devices
    • built-in microphone lets you take calls with an iPhone
  • includes three sizes of silicone ear tips for secure fit
  • zippered carrying case and clothing clip included
  • airline adapter included
  • frequency response: 20-20,000 Hz
  • sensitivity: 97dB
  • impedance: 16 ohms
  • weight: 0.6 oz.
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • In-ear headphones (sunset orange) with attached 51" cord (3.5mm plug)
  • 3 Pairs of silicone ear tips (1 pr installed)
  • Clothing clip
  • Airline adapter
  • Soft zippered pouch
  • Quick Start Guide
  • Important Safety & Warranty Information
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Details

Hands-on research

Features and Specs

General
Noise-canceling No
Bluetooth No
Mic For Taking Calls Yes
iPhone Control Yes
Lightning Connector No
Android Control Yes
Frequency Response 20-20k Hz
Sensitivity 97 dB
Impedance 16 Ohms
Weight 0.6 ounces
Cord Length 51"
1/4-inch Adapter Included No
Volume Control Yes
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research

Features

Overview: The KEF M100 Hi-Fi Earphones are precision designed and engineered for excellent performance. These in-ear headphones have a machined aluminum casing with an ergonomically angled shell for a snug, comfortable fit. Three pairs of ultra-thin soft silicone ear tips assure a comfortable fit and -25dB noise attenuation. The M100s also come with a clothing clip and an airline adapter for enjoying in-flight entertainment as you travel.

Drivers: The M100s feature full-range 10mm neodymium drivers and vented driver radiators, suspended inside a low-resonance, high density foam acoustic ring. The components are housed in a unique angled acoustic chamber that channels the sound into your ear. The shape, size, and thickness of the chamber is carefully engineered and tuned for ultra-low distortion. The aluminum "race-track" casing features diamond-cut chamfered edges and finished in cool vibrant colors. KEF's attention to detail extends all the way down to their environmentally-friendly, benzene-free production processes.

In-line Remote/Microphone: The M100s feature a 3-button remote and microphone for control of your phone calls and music playback. The remote is "Made for iPod iPhone iPad"-certified, and controls playback, Siri, and volume for Apple iDevices. It has only play/pause compatibility with Android devices. The 51" cable is terminated into a straight 3.5mm plug.

Specifications:

  • Frequency Response: 20 Hz - 20 kHz
  • Sensitivity: 97 dB (+/-4dB at 1 kHz)
  • Impedance: 16 Ohms (+/-15%)
  • Maximum Input Power: 10 mW
  • Noise Attenuation: -25dB
  • Weight: 0.6 ounces

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Known quality of KEF, in the right price range. [ Dwight  Nov 21, 2016 ]
Reputation of manufacturer and price. [ Peter  Sep 06, 2016 ]
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