⚠️ Warning: Start at low volume! Very low frequencies can damage speakers if played too loud. Laptop speakers cannot reproduce these frequencies properly.
60-Second Frequency Sweep
Sweeps from 150Hz down to 1Hz over 60 seconds
Individual Test Tones
Test specific frequencies to identify your subwoofer's response characteristics
How to Use
- Set your volume to a LOW level
- Click "Start Sweep" to begin the 60-second test
- Listen for when the bass becomes inaudible
- Note the frequency where it drops off
- Use individual tones to test specific frequencies
- Compare results with your subwoofer's specs
What to Listen For
- • Roll-off point: Where bass becomes weak
- • Distortion: Rattling or buzzing sounds
- • Port noise: Chuffing from bass ports
- • Room modes: Peaks and dips in response
- • Clean output: Smooth, controlled bass
Frequency Guide
- • 100-80 Hz: Upper bass, kick drums
- • 80-60 Hz: Bass guitar fundamentals
- • 60-40 Hz: Deep bass, movie effects
- • 40-20 Hz: Sub-bass, felt more than heard
- • Below 20 Hz: Infrasonic, mostly felt
Important Notes
- • Laptop speakers: Cannot reproduce low frequencies
- • Headphones: Limited bass extension
- • Room acoustics: Greatly affect bass response
- • Volume: Start low to avoid damage
- • Subwoofer placement: Affects performance
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