I thought that he might have nodded off and that perhaps the headphones were hispersonalstereo.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I should also like to recommend that the habit of cycling while wearing and listening topersonalstereosystems should become an offence.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
However, quarter-inch phone connectors are still common in professional audio, and miniature phone connectors (3.5 mm) are predominant inpersonalstereosystems.
From
Wikipedia
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Personalstereosets are not capable of generating very high volumes, although the use of earphones means that lower volumes are more concentrated.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
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