🎵 Tone Generator

Generate pure test tones at any frequency to check speaker clarity, balance, and frequency response.

440 Hz
20 Hz 20 kHz

Adjust frequency and wave type, then click Play to generate a test tone.

Online Tone Generator for Speaker Testing

Welcome to FixMySpeakers.com's free Tone Generator tool! Generate pure audio test tones at any frequency to check your speakers, headphones, or audio equipment. Whether you're diagnosing distortion, testing frequency response, or calibrating a sound system, this tool delivers precise tones instantly in your browser.

A tone generator produces a continuous sound wave at a single frequency, making it ideal for identifying speaker issues that music or speech might mask. With just a few clicks, you can sweep through frequencies and hear exactly how your audio setup performs.

This app includes the following features:

Adjustable Frequency

Use the slider to set any frequency from 20 Hz to 20 kHz, or tap a preset button for common test frequencies like 440 Hz (concert A) or 1 kHz.

Wave Type Selector

Choose between four waveforms to test different aspects of your audio chain:

  • Sine: The purest tone, ideal for general speaker testing and frequency response checks.
  • Square: Rich in odd harmonics, useful for detecting clipping and distortion.
  • Triangle: Softer harmonics than square, good for mid-range testing.
  • Sawtooth: Contains all harmonics, helpful for revealing resonance issues.

Volume Control

Adjust output volume before playing to protect your hearing and speakers, especially at low bass or high treble frequencies.

What Is a Test Tone?

A test tone is a pure audio signal at a specific frequency, used to evaluate how speakers and headphones reproduce sound across the frequency spectrum. Unlike music, which contains many frequencies at once, a test tone isolates a single frequency so you can hear exactly how your equipment handles it.

Test tones are commonly used by audio engineers, home theater enthusiasts, and anyone troubleshooting speaker problems like buzzing, rattling, or missing frequency ranges.

Why Use a Tone Generator?

A tone generator is an essential tool for anyone who cares about audio quality. Here's why:

  • Detect speaker damage, blown drivers, or loose components.
  • Identify resonance, rattling, or buzzing at specific frequencies.
  • Test subwoofer performance at low frequencies (60–250 Hz).
  • Check tweeter clarity at high frequencies (4–8 kHz).
  • Verify hearing range or calibrate studio monitors.
  • Troubleshoot audio cables, amplifiers, and DACs.

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