The audio jack is an electronic component used for connecting audio signal lines, commonly found in audio devices (such as speakers, headphones, microphones, etc.). Its primary function is to convert electronic signals into sound signals, meeting people's needs for music, movies, gaming, and other aspects. Depending on the shape of the plug, audio jacks can generally be classified into the following types: 1. 6.35mm Jack: Also known as the large plug or jack plug, it is commonly seen in the input and output interfaces of musical instruments such as electric guitars and keyboards. Its structure consists of a cylindrical hole that needs to be used with a 6.35mm plug.
2. 3.5mm Jack: Also referred to as the small plug or headphone plug, it is a compact stereo interface commonly used in the output interfaces of portable audio devices like mobile phones and laptops. Its structure features a cylindrical hole that must be used with a 3.5mm plug. It supports the transmission of left and right channel audio signals as well as mono audio signals.
3. XLR Jack: Also known as the Cannon connector, it is a professional audio jack. It is typically used for connections between professional audio equipment, supporting the transmission of balanced and unbalanced audio signals. Its structure is a locking three-pin circular connector that can prevent poor contact and accidental disconnection.
4. RCA Connector: Also called the phono connector, it is one of the most common types of audio jacks. It is usually used for the transmission of analog audio signals, supporting the transmission of left and right channel and stereo audio signals.
5. USB Interface: This type of audio jack transmits audio signals through a USB data cable. It is characterized by its convenience and flexibility, allowing for plug-and-play functionality.
6. HDMI Interface: This type of audio jack transmits audio signals through an HDMI cable. It is capable of achieving high-quality digital audio transmission, supporting multiple audio formats and sampling rates.
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