A left right audio test is one of the fastest ways to catch setup mistakes. If you hear the left signal in the wrong ear, positional audio, games, calls and music can all feel confusing. This page isolates the left channel, the right channel and a centered stereo signal so you can confirm basic routing in under a minute. It is especially useful after connecting a new headset, changing adapters, switching between devices or noticing that spatial cues feel backward.
If the left signal comes from the left side and the right signal comes from the right side, the most important part of stereo routing is working correctly. If both tones play in both ears, your device may be forcing mono output. If the channels are reversed, check whether the headset is worn backward first, then inspect software balance settings and any adapters in the chain.
Channel checks do not need much volume. Set the level low enough that the tone is comfortable, then increase only if the room is noisy. There is no advantage to running this test loudly.
It is a simple stereo check that lets you confirm whether each channel is mapped to the correct side.
The most common causes are wearing the headset backward, a faulty adapter or software output settings that swap channels.
Yes. Bluetooth devices work fine for this kind of channel test because exact timing is not critical.
Try the Stereo Test next. A drifting center may come from channel imbalance, fit issues or speaker placement.