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Monitor Pan

Give Windows apps a stereo bias based on which monitor their window is on — left monitor leans the sound left, right monitor leans it right, flipping the moment a window crosses over.

Multi-monitor setups put your speakers and your windows in different places. Monitor Pan lines them up: it watches which display each app's window is on and leans that app's stereo balance toward it, so the sound comes from roughly where you're looking.

It lives in the system tray and biases each app independently, so two sources playing at once each lean toward their own screen. Other tools only adjust a single, system-wide balance for one app at a time — Monitor Pan does it per app, for many apps, across every monitor, then restores all audio to normal when you quit.

• Per-app, per-monitor bias — each app leans toward the monitor it's on, with an instant flip as you drag it across.
• Many apps at once — every target is tracked and biased independently.
• Per-monitor strength — each monitor can have its own bias amount, plus a global default for the rest.
• Any output device — scans every active endpoint, so SteelSeries Sonar, Voicemeeter, HDMI, USB interfaces and virtual routers all work.
• Tray app — start-at-login, single-instance, a live status panel, and full restore-on-exit.

Good to know: it works on shared-mode audio (the Windows mixer), so exclusive-mode apps like some full-screen games are skipped. It's a balance lean, not a hard pan — for the strongest effect, set your output device to stereo.