Why My Left Speaker Measured 6 dB Quieter Than the Right
A 6 dB difference between the left and right channel looks like a rounding error on a spec sheet. On a conference-room…
just the left speaker plays on my desktop. right is totally silent. tried switching the cables. swapped speakers, left still the only one
If swapping the speakers did not change it, the fault follows the cable, the jack or a setting. Test another port and check the balance.
Since the left side stays the only one working even after swapping speakers, the problem comes before the speakers: the plug, the PC output or a balance setting.
After you make the change, play the Left Right Test again to confirm the result. If the problem is still there, add your device, browser and what you tried in the replies so the team can narrow it down.
Checked by Amit Malhotra on . How we verify answers
Stereo Balance Auditor at Sound Test
Kriti Desai is the Stereo Balance Auditor on the Sound Tester Audio Team. Dedicated to validating left-to-right channel panning balance and locating hardware wiring faults in mobile headphone jacks. Connects with global audio builders on Mastodon and LinkedIn. On Sound Tester she answers one-sided audio, balance and speaker polarity discussions, and checks headphone jacks and wiring with the Left Right Test.
Each answer is written by the specialist closest to the topic and checked by a second team member. How we verify answers
Answers are free general guidance from the Sound Tester Audio Team and community. They are not medical advice. For hearing loss, ringing or ear pain, see a doctor or audiologist. Opening a device can void its warranty, so check the maker's support first for hardware faults.
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