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What does HPJ stand for?

HPJ stands for Headphone Jack

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 7 other meanings of HPJ in our Acronym Attic

Samples in periodicals archive:

Both models incorporate analog and digital stereo outputs for connection to powered speakers or a recording device, three-band EQ for tone balancing, built-in speaker and headphone jack with volume control and three-way power, as well as CD-TEXT and CD-RW compatibility.