Complete Diagnostic Suite for Speakers & Headphones
From listening to music and watching movies to tracking footsteps in competitive video games, having clear, accurate audio is essential. Audio issues like inverted stereo channels, unbalanced volume, crackling, or a lack of spatial surround sound can ruin your experience.
Our interactive Audio Hardware Test uses the advanced browser Web Audio API to run high-fidelity diagnostics directly on your audio output device. No downloads or media files are required—our virtual oscillator generates pure sound waves in real-time.
Interactive Audio Tests Included
- Left/Right Stereo Tester: Verifies that your left and right channels are wired and functioning correctly. Visual speaker boxes pulse to show which channel is playing.
- Frequency Sweep (20Hz - 20kHz): Sweeps through the entire spectrum of human hearing. Great for finding the low-frequency limit of subwoofer bass or testing high-frequency capabilities.
- Stereo Panning Sweeper: Automatically sweeps audio left-to-right to check if your speaker levels are balanced and transition smoothly.
- 3D Spatial Sound Simulator: An interactive sound map that simulates virtual 3D positioning. Drag the audio source around the listener node to test your headphones’ spatial imaging.
How to Run Your Audio Diagnostics
- Set Volume Safely: Before playing any sound, make sure your computer volume is set to a moderate level to protect your hearing.
- Select Waveform: Choose between Sine (smooth tone), Triangle (warm tone), or Sawtooth (bright tone) to test different audio characters.
- Trigger Channels: Click Play Left and Play Right separately to verify stereo alignment.
- Drag 3D Sound Source: Activate the 3D test and drag the audio dot in circles. You should hear the sound rotate around your head (headphones recommended).
- Adjust Panning & Frequency: Use the sliders manually to explore specific frequencies or balance offsets.