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GKleft a comment
Free chrome extension to install: https://chromewebstore.google.com/detail/audio-splitter-lite/ndfgdcbhnchkpfdkinkkgmaodkpahgch

Audio Splitter One tab. Every speaker. No cables.
GKleft a comment
Please check I have also released a native Mac app for advanced features like 2 audio source inputs to one headphone: one audio to left ear, and another audio to right ear.

Audio Splitter One tab. Every speaker. No cables.
Audio Splitter captures audio from any Chrome tab and routes it to multiple output devices at the same time — Bluetooth headphones, wired speakers, USB DACs — without virtual audio cables or system changes.
Built this because my household had one laptop and two people who wanted different audio. Now we both listen to the same YouTube video on our own headphones.
Free tier: 2 simultaneous outputs. Pro: 5 outputs, per-device EQ, channel splitting, and delay compensation.

Audio Splitter One tab. Every speaker. No cables.
GKleft a comment
I built this because my partner and I wanted to share audio with our own headphones. Now we both listen to the same YouTube video on our own. Free to install. No signup. No account needed. What's different: all audio routing happens locally in your browser — nothing gets uploaded or sent to a server. What's new in 1.3: improved Bluetooth detection, faster output sync, per-device volume memory....

Audio Splitter One tab. Every speaker. No cables.
