What is a line input?

Line inputs are designed to accept voltage levels in the range provided by line outputs. Impedances, on the other hand, are deliberately not matched from output to input. The impedance of a line input is typically around 10 kΩ.

What is a line input on an audio interface?

A line input is designed to accept a «hi power» signal from a piece of powered equipment, CD player, synth, etc. Anything that has it’s own power source and provides an «amplified» signal (at line level) as compaired to a microphone output. … The inputs on some audio interfaces are often marked as Line/Instr.

What means line input?

On mixing boards this is an input to a channel that is specifically designed for line level signals. … As such, on some mixers, the line inputs actually bypass the microphone preamp stage providing for a pure signal path into the board.

What’s the difference between mic and line inputs?

Simply stated, these both refer to the voltage level of an audio signal. Wired and wireless microphones are typically connected to mic-level inputs, whereas most other audio devices use line level. (We’ll get to instrument- and speaker-level signals in a minute.)

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Can I plug a guitar into a line input?

Although the connectors and cables from your typical guitar rig look like they should be compatible with the 1/4″ line-level inputs on a mixing console, they’re not. … Plugging your instrument directly into a console’s line-level input jack usually results in a low-level, wimpy signal.


In that particular case, line input and aux input are exactly the same thing.

How do you use a headphone jack as a line?

You cannot get speakers to work by plugging them into your line in jack, no. A headphones/speakers jack, or a line out jack, will work. Like a microphone jack, a line in jack is for capturing audio—you would plug a device in that sends a sound signal to your computer, not the other way around.

Can I use mic input as line in?

Line inputs are not designed for microphones. Although it is possible to use them and it won’t harm your mic, there is not enough gain to amplify the microphones level to a line input. … If you have a mic with a jack plug on it you should change it for a XLR connector.

Is a sensor input or output?

Sensors are in fact Input devices. They interpret information from the real world and convert it to a signal that can be processed (by the main processing unit).

Is MIC A input?

Are microphones input or output devices? When a microphone is connected to a computer (via an audio interface or another analog-to-digital converter), it sends/inputs information into the computer. This means microphones are input devices.

Should I use line in or mic in?

A microphone input is typically a very low level signal, and is mono. A line in will be expecting a much higher input level, and will usually be stereo. The sound card should have an additional pre-amp stage for the mic to bring it up to line levels.

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Should I use mic or line instrument?

No, microphones output audio signals in the mic level range and not in the line level range. Mic level is much lower than line level and so mic signals require amplification for use in other audio equipment.

What is the difference between line and insert?

A TRS insert jack carries both an unbalanced mono input and an unbalanced mono output signal on the ring and tip connections, while a line input jack has a set of differential (balanced) inputs on those same connections.

Do I need a direct box?

In short, then, a direct box is a great idea when you need to plug a passive instrument into a mixer or microphone preamp. It will shield your signal from unwanted noise while preserving the detail in your tone—especially the high frequencies—and allowing more volume.

How does a direct box work?

Direct boxes are often referred to as “DI” boxes. This stands for “Direct Injection” as their main purpose is to convert unbalanced and/or high impedance instrument signals into a format suitable for direct connection to a mixing console’s mic input — without the use of a microphone.

What is the difference between an active and passive DI box?

The active DI has a built-in buffer or unity gain amplifier that deliver a stronger signal than the passive counterpart. The benefit with a passive direct box is the simplicity of not having to worry about local power, of course isolation and extreme signal handling.