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mia

With the introduction of Dolby Surround 7.1 in 2010, Sony were eager to put out a full home theater system. One of their early models, the HT-A7.100, included a revolutionary evolution to the standard stereo jack: the 7.1 surround jack, allowing all 8 channels to be sent over one cable.

graphic comparing phone connectors (commonly known as audio jacks or TRS plugs)
they are listed from lower ring counts to higher ring counts between the sleeve and the tip, abbreviated to TRS, with the number of Rs being the number of rings
from the left:
TS (diagram): mono
TRS (diagram): stereo
TRRS (diagram): stereo + mic
TRRRRRRRRS (comically long diagram): 7.1 surround sound
TRRRRRRRRRS (comically longer diagram) 7.1 surround sound + mic
2 comments
Tube❄️Time

@mia TRRRRRRRS it's also the sound it makes when you plug/unplug it with the speakers turned on

Stewart Russell

@tubetime @mia and it sounds even better when said by DECtalk:

webspeak.terminal.ink/

* phonemes on

Dectalk input: [trrrrrrrrrs].

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