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Speaker Test

L/R channel frequencies

Speaker Test

Test your left and right channels, stereo balance, and frequency response.

Left Channel

Right Channel

Stereo Sweep

Pans a tone smoothly from left to right speaker

Sub-Bass Test (50Hz)

Checks low-end response and subwoofer health

Treble Test (12kHz)

Checks high-end tweeters and distortion

Speaker Upgrade & Repair

About this tool

This is a free browser-based diagnostic tool provided by ay5uh.com to help you test and troubleshoot your hardware. It runs entirely on your device with no installation required.