Online Subwoofer Bass Test

Key Features

• Bass Drop Generator: Creates cinematic "Boom" effects sliding from 100Hz to 30Hz.
• Subwoofer Break-In: A dedicated 60-second loop to safely loosen the suspension of new speakers.
• Rattle Finder: Steady 40Hz tones help identify loose car panels or license plates.
• Excursion Test: Extremely low frequencies (10Hz-20Hz) to visually test cone movement.
• Frequency Sweep: Slides from 20Hz to 80Hz to check crossover smoothness.
• Client-Side Audio: Sounds are generated in your browser for high-fidelity, uncompressed bass.

How do I use it?

It's simple: Step 1: Connect your device to your sound system. Step 2: Select a preset like "Bass Drop" or set a specific frequency (e.g., 50Hz). Step 3: Click "Activate Bass".

How do I download?

Need to test offline? Click the large Save MP3 button to download the test tone to your device or USB drive, perfect for car audio systems.

Is this tool free?

Yes, this tool is 100% Free. There are no limits on usage. Use it to tune your car audio, home theater, or studio monitors as often as you like.

Safety Warning

Low frequencies carry a lot of energy. Always start with your volume at 20% and increase slowly. Distortion or clipping can damage speakers permanently.

Privacy & Security

Your privacy is our priority. Since this tool runs Client-Side using the Web Audio API, no audio files or usage data are ever uploaded to our servers.