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Audio Technica ATH-CKM300iS and ATH-CKM500iS In-Ear Headphones Released

By Joy Hou - on 29 May 2012, 4:00pm

Audio Technica ATH-CKM300iS and ATH-CKM500iS In-Ear Headphones Released

Audio Technica has released the ATH-CKM300iS and ATH-CKM500iS.

ATH-CKM500iS (Image source: Audio Technica)

Adopting a new diaphragm design which eliminates the need for an extra mounting base and increases the effective diaphragm area by 20%, these inner-ear headphones sport newly shaped machined brass ring stabilizers. These help to effectively suppress unwanted vibrations to deliver improved clarity and rich mid-high frequencies.

A single button control and slider volume control allow users to rewind, forward, pause, play, answer, and end calls all without compromising the sound quality. With the condenser-type microphone, the pickup of the voice will also be clear without the disturbance of background noises.

  ATH-CKM300iS ATH-CKM500iS
Type Closed-back Dynamic
Driver ∅ 10.7mm ∅ 12.5mm
Frequency Response 5Hz~24kHz 5Hz~25kHz
Maximum Input Power 200mW
Output Sound 104dB/mW 105dB/mW
Impedance 16ohms

Read on for the full press release.


Since its launched in 2009, the “CKM” Series had gained popularity for its clear and natural mid-high range. Now with the growing market of Apple products and Smartphones, Audio-Technica had released the ATH-CKM300iS and ATH-CKM500iS in our continual bid to cater great music to all consumers. In the new models, you can still expect to find the same clean sounds and accurate balance that had made the “CKM” series such a hit.

Whilst the outlook of these inner-ear headphones are still kept simple, the developments made to these improved earphones are not. The Japanese engineers at Audio-Technica had developed a new diaphragm design for the ATH-CKM300iS and ATH-CKM500iS. By eliminating the need for an extra mounting base, the effective diaphragm area has been increased by 20%. The result of this is a bigger driver unit for much powerful sound in such a compact item. In addition, the earphones sport a newly shaped machined brass ring stabilizers that help to effectively suppress unwanted vibrations for improved clarity and rich mid-high frequencies.

For the ease of music playback and answering of phone calls, the ATH-CKM300iS and ATHCKM500iS also comes with a single button control and slider volume control. Users can now rewind, forward, pause, play, answering and ending calls without compromising sound quality. Using the condenser-type microphone, the pickup of the voice will also be clear without the disturbance of background noises.

Besides the great audio quality and multiple functions, these newly developed ATH-CKM300iS and ATHCKM500iS is ready to bring brand new colours to the market of inner-earphones for Smartphone and iPhone users. Giving consumers a long awaited choice that sounds and looks amazing good!

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