Gentoo Archives: gentoo-user

From: karl@××××××××.se
To: gentoo-user@l.g.o
Subject: 3.5mm jacks (was Re: [gentoo-user] Bluetooth speakers)
Date: Tue, 10 May 2022 10:30:01
Message-Id: 20220510102951.8A90C8257288@turkos.aspodata.se
In Reply to: Re: [gentoo-user] Bluetooth speakers by Michael
1 Michael:
2 ...
3 > Jacks have a TS, or TRS, TRRS, or TRRRS contacts arrangement, depending on the
4 > connectivity they are meant to offer - mono, stereo, stereo+mic and whether
5 > this is balanced or unbalanced.
6 ...
7
8 I have an old laptop (Thinkpad T61p [1]) with a stereo and
9 microphone jack, both 3.5mm.
10
11 How do one know if it is a TRS or TRRS variant without opening the
12 case ?
13
14 Maybe it is a trrs jack since when I inserts a trs cable (to speaker)
15 the ouput sound whines a lot, mostly masking the intended sound.
16
17 I found some specs in [2] and [3].
18
19 Regards,
20 /Karl Hammar
21
22 [1] https://www.thinkwiki.org/wiki/Category:T61p
23 [2] https://www.headphonesty.com/2019/04/headphone-jacks-plugs-explained/
24 [3] https://en.wikipedia.org/wiki/Phone_connector_(audio)

Replies

Subject Author
Re: 3.5mm jacks (was Re: [gentoo-user] Bluetooth speakers) Michael <confabulate@××××××××.com>