3p Audio Input May 2026

1. Introduction 3P Audio Input refers to an audio input interface that uses a 3-pole (or 3-contact) connector , most commonly a 3.5 mm TRS (Tip-Ring-Sleeve) jack. It is the industry standard for unbalanced stereo audio input in consumer and professional portable devices.

1. Introduction 3P Audio Input refers to an audio input interface that uses a 3-pole (or 3-contact) connector , most commonly a 3.5 mm TRS (Tip-Ring-Sleeve) jack. It is the industry standard for unbalanced stereo audio input in consumer and professional portable devices.

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