Earphone & Speaker Audio Spectrum Test – 20Hz to 20kHz HD Sound

Details

Description

🎧 Use this HD audio spectrum test to check the frequency response of your earphones, headphones, or speakers — from 20Hz to 20,000Hz (20kHz).
This test helps you evaluate:
– Bass response (20Hz–100Hz)
– Midrange clarity (100Hz–5kHz)
– Treble sharpness (5kHz–20kHz)
🔊 Works for personal hearing tests too — use it to find out how well you can hear across the human audio range.
⚠️ Use quality headphones and set your volume to a safe level.


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