Initialize Audio Engine
Generate precise sine waves to identify speaker "blown" drivers or loose internal screws causing vibration rattles.
Is Your Speaker Blown or Just Rattling?
Have you ever heard an annoying buzzing or rattling sound coming from your laptop or desktop speakers? Before you assume your speakers are "blown," it's worth checking if it's just a loose screw or a rattling bezel. Our Audio Frequency Lab generates pure sine waves at specific frequencies, allowing you to isolate the exact pitch that causes your device to vibrate, helping you pinpoint whether you have a hardware fault or just a loose internal component.
Finding the "Rattle Zone"
Most chassis-related rattles don't happen across all audio; they occur at specific resonant frequencies. By using our manual frequency slider, you can sweep through the 200Hz to 500Hz range—this is the "Rattle Zone" where most plastic bezels and loose internal brackets vibrate. If you hear a clear buzzing at 300Hz, you can press down on different parts of your laptop chassis to find the culprit, saving you from an unnecessary repair bill.
Detecting Blown Driver Distortion
If you hear a distinct "crackling" or "fuzziness" at high frequencies (1kHz and above), your speaker driver might be physically damaged. High-frequency sine waves put pure stress on the voice coil and diaphragm of your speaker. If the audio sounds distorted or "fuzzy" even at low volumes, your driver membrane may be torn or the coil could be rubbing against the magnet structure—signs that a replacement part is needed.
Why Use Our Audio Frequency Lab?
Precision Sine Wave Generator
Unlike random music or movies, our generator produces perfect sine waves from 20Hz to 20kHz, providing the cleanest possible signal to test driver clarity.
Channel Isolation
Use our balance controls to test your Left and Right drivers independently. This is vital for isolating a fault to one specific speaker, rather than an issue with your overall audio output settings.
100% Browser-Based
No software installation required. Our tool uses the Web Audio API to generate sound directly through your browser, keeping your system free of bloated, unnecessary diagnostic apps.
Audio Still Crackling or Rattling?
If the testing confirms that your drivers are physically blown or your internal components are damaged, our repair technicians can source replacement speakers and perform professional teardowns to stop the rattles for good.
Book an Audio Diagnostic