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Subwoofer Test
Low-frequency sweep for subwoofer checks — start quiet.
Low-frequency sweep — start quiet. Cannot measure physical speaker performance.
Sweeps 20 Hz → 120 Hz over 10 seconds (exponential ramp).
就绪
How to use
Adjust settings
Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.
Export or share
下载 a WAV file or copy a share link. All processing stays on your device.
Frequently asked questions
Can this measure subwoofer output?
No. It plays a sweep only — not a calibrated measurement.