Warmline

Vinyl-inspired warmth for everything playing on your Mac.

Warmline is a menu bar audio app that gently shapes system sound, then sends it to the output you choose.

System requirementmacOS 14.2 or later

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Warmline menu bar controls showing output, preset, Studio engine, warmth, tone, saturation, softness, and gain settings — Warmline stays close in the macOS menu bar.

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What can we help with?

Clear steps for the setup and routing issues most likely to stop the music.

System audio accessRestore permission when Warmline cannot hear Mac playback.Speakers and headphonesReconnect built-in, headphone, and USB audio outputs.AirPlay and SonosComplete the two-step handoff from macOS to Warmline.Match, Lite, and StudioChoose the right engine and keep loudness consistent.

Something else? See all troubleshooting.