Guides

Recording internal and system audio on a Mac

Updated 2026-09-03.

Recording internal or system audio on a Mac means capturing what the Mac itself plays: a browser, Spotify, a call's remote side. Since macOS 13 the operating system provides this through Apple's ScreenCaptureKit at 48 kHz stereo, with one permission and no virtual driver, but Apple ships no app that uses it. QuickTime, Voice Memos and the Screenshot toolbar record a microphone only. These guides cover the native path, per-app and browser capture, mic plus system, headphones, the Mac mini's missing mic, Terminal tools and how long a take can run.

Guides in this topic

1. Can a Mac record internal audio natively?macOS has had a system audio API (ScreenCaptureKit) since macOS 13, but Apple ships no app that uses it. QuickTime and Voice Memos record the mic only.
2. How to record audio from a browser tab on a MacRecord Safari or Chrome audio on a Mac with a ScreenCaptureKit recorder (macOS 13+). macOS filters per app, not per tab, so isolate the tab first.
3. How to record audio from one app only on a MacRecord just Spotify, Zoom or a browser on a Mac: macOS 13 filters per app; Piezo ($29) or Audio Hijack ($69) expose it. Or use whole-system capture.
4. How to record computer audio and microphone at the same time on a MacThree routes work: a meeting app's recorder, Audio Hijack ($69), or a BlackHole aggregate device. The built-in Mac screen recorder captures the mic only.
5. What is ScreenCaptureKit audio capture on a Mac?ScreenCaptureKit is Apple's framework for capturing screen content and, since macOS 13, system audio at 48 kHz stereo with one permission and no driver.
6. How to record Mac system audio from the Terminalffmpeg avfoundation, sox rec and screencapture -g record input devices only. To capture system output from the Terminal you need BlackHole first.
7. How to record audio on a Mac mini without a microphoneThe Mac mini has no built-in microphone. Record system audio with no mic on macOS 13 or newer, or plug in a USB mic, an audio interface or an iPhone.
8. Does Mac system audio recording work with headphones or AirPods?Yes. ScreenCaptureKit captures before the output device, so headphones or AirPods change nothing and the file is 48 kHz stereo. The trap: AirPods as mic.
9. How long can you record audio on a Mac?No time limit in macOS; disk is the ceiling. Measured: 24-bit 48 kHz uses 0.97 GB per hour, MP3 320 uses 0.14 GB. A real 2 h 5 min take was 2.07 GB.

How does a Mac record its own audio without a driver?

Through ScreenCaptureKit, Apple's screen and audio capture framework. Its capturesAudio property arrived in macOS 13, defaults to off, and delivers stereo PCM at 48 kHz unless an app asks otherwise. A second Apple route, Core Audio process taps, followed in macOS 14.2. Both need the Screen & System Audio Recording permission and neither installs anything in Audio MIDI Setup. The definition page what is ScreenCaptureKit audio capture lists the exact properties, defaults and exclusions, including DRM playback that can arrive as silence.

The plain-language question, can a Mac record internal audio natively, gets a two-part answer: the OS can, the stock apps cannot. That page compares QuickTime, the Screenshot toolbar, BlackHole, OBS, Audio Hijack and AirCheck in one table. If you prefer the command line, recording from the Terminal shows why ffmpeg -f avfoundation, sox rec and screencapture -g only see input devices, with the device listing from the test Mac, and how BlackHole bridges the gap for scripts. The output device never changes the result, as the headphones guide shows.

Everything, one app, one tab, or system plus microphone?

Whole-system capture records the mixer's output: every app, every notification. That is enough whenever one app is playing, which is most of the time, and it is the case the native-audio page starts from. When two apps must play and only one belongs in the file, macOS can filter by application (ScreenCaptureKit content filters, process taps), and Piezo ($29) or Audio Hijack ($69) expose that. The decision is laid out in how to record audio from one app only.

Tabs are finer than the OS goes. A browser is one application, so recording a browser tab comes down to muting the other tabs, or running the source in a second browser and capturing that browser per app.

Adding your voice is a different problem again. A system stream contains no microphone before macOS 15, and AirCheck records one source per take. Recording computer audio and microphone at the same time weighs the three routes that do work: a meeting app's recorder, Audio Hijack, or a BlackHole aggregate device, plus the two-take workflow for voiceovers.

What about headphones, a Mac mini, and multi-hour takes?

Hardware on the output side does not change a system audio recording. Headphones and AirPods explains why the file is 48 kHz stereo whether the speakers run at 44.1 kHz or the AirPods are connected, and where the real trap is: selecting the AirPods as the microphone flips Bluetooth into a mono hands-free profile.

On the input side, the Mac mini has no built-in microphone at all; Apple's 2024 specifications list a speaker and a headphone jack. Recording on a Mac mini covers system capture with no mic connected, and USB mics, interfaces and an iPhone as a Continuity microphone for voice.

Length is a disk question, not an OS one. How long can you record audio on a Mac gives measured rates from 45 recordings: 0.97 GB per hour at 24-bit 48 kHz, 0.14 GB per hour as MP3 320, a real 2 h 5 min take at 2.07 GB, and the 4 GiB WAV ceiling that a 24-bit take reaches after about 4 hours 25 minutes. It also lists what ends a take early: sleep, a full disk, a device that drops out, the same failure that ends a Terminal recording outright.

Which system audio route fits which job on a Mac (Sept 2026)

Prices from vendor pages fetched 3 Sept 2026.

Other topics

• Screen recording with audio
• Recording calls and meetings
• Recording streams, music and video sound
• Virtual audio drivers and Audio MIDI Setup
• Recording with QuickTime, OBS, Audacity and GarageBand
• Recording DJ sets, vinyl and instruments
• Recording lectures, podcasts and interviews
• Audio formats, quality and file size
• Fixing Mac audio recording problems
• Choosing a Mac audio recorder