May 26, 2021 · A line-in (line input) is an audio socket on audio interfaces, computer sound cards, and some mixers. It connects an external audio device such as an instrument, microphone, or CD player (remember those?).

Jan 2, 2025 · What is Line In? A Line In, also known as a Line Input or Auxiliary Input, is a type of audio input that’s designed to accept a strong, line-level signal from an external device. This can include instruments, keyboards, mixers, or other audio equipment.

Oct 18, 2011 · Have you encountered a recording equipment like an audio interface or audio mixer with inputs or outputs labelled as “Line” or “Instrument” and even “Microphone”? For example see the two images below: In the first image, you see 2 inputs with label “Mic-Line-Inst”; this implies that it can accept microphone, line and instrument level inputs.

Jul 6, 2021 · Line in or line-in is a jack found on computer sound cards enabling users to connect an external audio device. These devices include CD ( Compact Disc ) players, audio mixers, musical instruments, and microphones.

Jul 5, 2024 · Line-in jacks are versatile audio input ports that serve various purposes across different devices. They are commonly used to connect external audio sources such as MP3 players, smartphones, tablets, and musical instruments to devices like computers, laptops, stereos, and speakers.

Mar 27, 2025 · What Is A Line Input? A line input on an audio interface allows you to connect external audio sources. These sources can include instruments, mixers, or other audio devices. How Does Line Input Work? Line input works by receiving audio signals from connected devices.

Line in is an audio input normally around 150mv line sensitivity and can be used for devices such as tape players,cd players,mp3 players etc.

Jan 17, 2025 · Line In: As its name suggests, line-in is tailored for line-level signals. It's used for connecting external audio devices. If you've ever attached a CD player or an instrument to your system, chances are you've used the line input. Connectors for line-in usually include RCA, a ¼” phone jack, or a 3.5 mm phone jack.

Line Out (or Audio Out) is an output port that is designed to send line-level audio signals to another device. On the other hand, Line In is an input port made to receive line-level audio signals from another source.

The “line in” on a speaker refers to a line-level input, which is designed to accept a strong, pre-amplified audio signal. This input is typically used for connecting devices that can produce a line-level signal, such as audio players, computers, and televisions.