Knowles Corporation(KN)
HQ US65% share
Leading MEMS microphone maker for phones, earbuds and hearables.
manufactured · input
Acoustic Driver / Balanced-Armature Receiver
Sound-generating transducers — neodymium-magnet dynamic drivers and miniature balanced-armature receivers (Knowles-led) used in earbuds, headphones and hearing aids.
7
Source countries
4
Companies
1
Goods affected
0
Claims on record
What depends on it
Goods that need this input
1 essential American goods rely on acoustic driver / balanced-armature receiver somewhere upstream in their supply chain.
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| MXMexico | 37% |
| CNChina | 33% |
| VNVietnam | 17% |
| PHPhilippines | 2% |
| TWTaiwan | 2% |
| ITItaly | 2% |
| MYMalaysia | 1% |
Who makes it
Supplier companies
4 companies produce acoustic driver / balanced-armature receiver.
AAC Technologies(2018.HK)
HQ CN
Acoustic + haptics components maker (speakers, receivers, MEMS mics) for phones and earbuds.
GoerTek Inc.(002241.SZ)
HQ CN
Chinese MEMS microphone maker and dominant acoustic ODM (assembles AirPods and other earbuds).
Sonion A/S
HQ DK
Maker of miniature balanced-armature receivers, microphones and transducers for hearing aids and premium in-ear audio.