The original application for the TRS was in manual telephone exchanges.
Also known as phone connector, which outer diameter is 1/4"(6.35mm) with two-conductor(mono).
The interface of male also called TRS male or TRS plug, and
the interface of female called TRS female, TRS jack or TRS socket.
Three-contact versions(Stereo) are known as TRS connectors,
where T means for "tip", R means for "ring" and S means for "sleeve".
Similarly, two-, four- and five- contact versions are
called TS, TRRS and TRRRS connectors respectively.
用以切換傳遞電話訊號，也被稱為phone connector，介面公端稱為TRS male或是TRS plug，
對鎖件稱為TRS female、TRS jack或是TRS socket。
TRS were applied in many field and is still widely used, especially in a audio equipment.
And the related technology were more stable and fully developed,
the TS6.3 interface were used on professional recording equipment,
Electronic musical instruments(for example: electric guitar), mixer, loudspeaker and amplifiers.
On the other hand, the 1/8"(3.5mm) mini connector and 3/32"(2.5mm) sub-mini connector which
are the most commonly used in portable application today.
Such as microphone, earphone, mobile phone and portable media players…etc.
Miniaturized connector were favorable for save the space of equipment,
but it also cause the durability and the structural strength issue.
TRS are not only used in mono interface (TS plug), but also the most commonly
used in integrated left and right channels stereo interface.
T are corresponded to Left channel, R are corresponded to Right channel,
and the S are corresponded to Ground. On the smartphone application,
usually use 4-conductor (TRRS plug) for its headset (microphone), but the
channels and the function setting might be difference from each equipment makers.
其介面通常對應T(Left channel)、R(Right channel)及S(Ground)。在智慧型手機應用上，
Aec Connectors Co., Ltd.
Address : 36, Lane 63, Kai An Rd., Hoshun Ind. Park, Tainan City 709, Taiwan, R.O.C.
Telephone : +886-6-3553595(Rep.)
Fax : +886-6-3553258
Email : firstname.lastname@example.org