🔊 Hardware Test
Speaker & Audio Test
Test your speakers or headphones. Play tones on the left channel, right channel, or both. Try a frequency sweep.
📻 Channel Test
Press a button to play a test tone
🎵 Tone Generator
440 Hz
20 Hz440 Hz20000 Hz
Quick presets:
💡 How to Use
- Click Left Channel — you should only hear sound in your left ear/speaker
- Click Right Channel — you should only hear sound in your right ear/speaker
- Use the Frequency Sweep to find if any frequencies sound distorted
- Humans typically hear between 20Hz–20kHz. High frequencies fade with age