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macbook pro - Use 3.5mm jack as line in for a musical ...
https://apple.stackexchange.com/questions/385027/use-3-5mm-jack-as-line-in-for-a-musical-instrument#:~:text=Microphone%20voltage%20is%20extremely%20tiny%20%28millivolts%29%20where%20line,components%20to%20raise%20the%20voltage%20to%20line%20level.
Audio input on 2018 MacBook Pro - Apple Community
https://discussions.apple.com/thread/251362836
Also, you may have to change the audio input in either system Preferences>>Sound or Audio MIDI setup. and I believe your MacBook Pro has just 2 thunderbolt 3 (USB-C) ports on it, so you'll have to buy a USB-A female to USB-C adapter as well. Luckily, both the USB adapter and the TRRS adapter cable should be affordable. john b.
Best 10 Audio Interface for Mac, Macbook Pro
https://techzelo.com/best-audio-interface-for-mac/
Features: USB 2.0 audio interface, 48V split phantom power, built-in effects deliver no-delay monitoring, four class A preamps, cast metal body Pros: stylish appearance, reliable assembly, a lot of I / O
Can this be used as a stereo line input for the MacBook …
https://www.apple.com/shop/question/answers/product/MU7E2AM/A/can-this-be-used-as-a-stereo-line-input-for-the-macbook-pro/QPJA4XKUY2P47FUU4
No, the audio adapter does provide stereo audio output, but it only supports a low voltage mono audio input, like from a microphone. Your could use it for a mono line input, IF you placed an audio Pad device between the line source and the audio input. Answered by Kirk S from Kelowna; Apr 28, 2020
Input voltage for battery - MacBook Pro 13" Function Keys ...
https://www.ifixit.com/Answers/View/355185/Input+voltage+for+battery
Your computer is rated to use 61W of input charging. At maximum output of your external charger, you've got 1.5X20 = 30W. If anything, your charger is severely underpowered. Apple doesn't seem to have an issue with overpowered chargers, there's probably a failsafe/transformer in the board that automatically down-transforms extra power (Assumption).
Identify the ports on your Mac - Apple Support
https://support.apple.com/en-us/HT201736
On 14-inch and 16-inch MacBook Pro models with Apple silicon, you can connect high-impedance headphones to the 3.5mm audio jack. Use Audio-In with a microphone or other audio-input device that connects using an audio cable that has a 3.5 mm (1/8 inch) audio jack.
Sound Card Specs - Apple Community
https://discussions.apple.com/thread/1973943
Maximum input voltage: 1 VRMS (+2.22 dBu) Minimum voltage input for full scale output: 31 mVRMS (-27.95 dBu) at input gain = +30 dB Input impedance: > 20 kΩ Frequency response: 20 Hz to 20 kHz, +0.5 dB/-3 dB Signal-to-noise ratio (SNR): > 90 dB Total harmonic distortion + noise (THD+N): < -75 dB (0.02%) Channel separation: > 80 dB
audio - What is the impedance of the line/headphone jack ...
https://apple.stackexchange.com/questions/57186/what-is-the-impedance-of-the-line-headphone-jack-on-macbook-pro-retina
The 3.5 mm headphone jack on the MacBook Pro (14-inch, 2021) or MacBook Pro (16-inch, 2021) features DC load detection and adaptive voltage output. Mac can detect the impedance of the connected device and will adapt its output for low- and high-impedance headphones, as well as for line-level audio devices.
About Mac power adapters - Apple Support
https://support.apple.com/en-us/HT201700
Apple 67W or 96W USB-C Power Adapter and USB-C to MagSafe 3 Cable. 14-inch MacBook Pro models introduced in 2021. These models can also charge with a USB-C charge cable. Learn about charging 14-inch MacBook Pro and 16-inch MacBook Pro.
How does a macbook power adapter know the voltage to ...
https://forums.tomsguide.com/threads/how-does-a-macbook-power-adapter-know-the-voltage-to-output-to-a-macbook.386321/
Its an AC adapter. The voltage regulation is done by the controller in the laptop. Macbooks have an input voltage of roughly 14v, 16v, 18v or 20v that then goes to the regulator you say. My doubt...
macbook pro - Use 3.5mm jack as line in for a musical ...
https://apple.stackexchange.com/questions/385027/use-3-5mm-jack-as-line-in-for-a-musical-instrument
The key differentiation between mic and line signals is the voltage. Microphone voltage is extremely tiny (millivolts) where line level input is about 1 1/4 volts. Macs aren’t recording/pre-amp devices and do not contain the necessary components to …
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