Photographed: The Anatomy of the Kinboofi MK4 Earphone

April 25, 2019 Jürgen Kraus (Calgary, Canada)

The handmade Kinboofi MK4 earphone features four balanced armature drivers, two by Knowles (bass, midrange) and two by Bellsing (treble). Here some pictures of its interior. The review unit was kindly provided by Wooeasy Earphones Store. You find our full review of the Kinboofi MK4 HERE.

Kinboofi MK4 earpieces. — The Kinboofi MK4’s two earpieces.

Kinboofi MK4 three balanced armature drivers. — Three balanced armature (BA) drivers: a Knowles 29689 for the midrange, and two Bellsing 30095 for the treble.

Kinboofi MK4 three balanced armature drivers. zoomed up. — Zoom-up of the previous.

Kinboofi MK4 two Bellsing balanced armature drivers. — The twinned Bellsing 30095 BA “tweeters”.

Kinboofi MK4 one Knowls balanced armature driver for the bass. — A Knowles 22955 BA for the low end.

Kinboofi MK4 MMCX connector. — Wiring around the MMCX connector.

Frequency response of Kinboofi MK4 — Frequency response of the MK4. All our graphs **HERE**.

Author

Jürgen Kraus (Calgary, Canada)
Head-Fier since 2016. He has been known as “Otto Motor” to Head-Fiers, as “Dr. Schweinsgruber” to audiobudget.com users and Youtubers, and as “Brause” to Super Best Audio Friends and the Headphone Community. - For the purpose of confusion, he decided to pose under his real name Jürgen Kraus (“JK”) from now on. - This is a hobby. In “real” life, Jürgen is a professional geologist operating his own petroleum-exploration consulting company Franconia Geoscience Ltd. based in Calgary, Canada. He holds German and Canadian passports. Jürgen had a classical music education from childhood through high school in Germany and he has been following popular music developments since the late 1970s. His understanding of arts and crafts was influenced by Bauhaus pragmatism: “less is more” and “form follows function”.
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