Скачать или смотреть Ultimate Frequency Sweep (20Hz–20kHz) 🔊 Bass & Treble Speaker Test | 1 Hour

Test your speakers, headphones, and subwoofer with this Professional 20Hz–20kHz Frequency Sweep.
This 1-Hour Audio Spectrum loop is designed to push your audio system to its limits and reveal the true range of your sound gear.

⚠️ WARNING — START WITH LOW VOLUME
Extreme deep bass (20Hz) and very high treble (15kHz+) can damage speakers or hearing at high levels.
Increase volume slowly.

🎧 WHAT DOES THIS TEST REVEAL?
1. Sub-Bass (20Hz – 60Hz)
• Can you feel the vibration?
• Does your subwoofer distort or rattle?

2. Bass & Punch (60Hz – 250Hz)
• Tight bass or muddy boom?

3. Midrange (250Hz – 4kHz)
• Vocals, guitars, dialogue clarity.

4. Treble & Hearing Test (4kHz – 20kHz)
• Do you hear high frequencies clearly?
• Find your personal hearing limit.

📉 REAL-TIME VISUALIZER
The on-screen oscilloscope shows the live waveform of the current frequency:
• Wide waves = Deep bass
• Tight waves = High treble

This is a true synchronized audio-visual frequency sweep.

🔬 SCREENFIX LAB AUDIO ENGINE
• Logarithmic frequency sweep (human-ear accurate)
• 48 kHz studio-grade sampling
• Precision-timed frequency display
• Visual waveform tied to the actual sound

Perfect for:
• Speaker testing
• Subwoofer tuning
• Headphone checks
• Studio monitors
• Hearing tests

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