Professional Audio Testing Suite
Free, No Install Required
Precision frequency generators, hearing tests, equipment calibration tools, and speaker testing utilities for audio professionals, musicians, and audiophiles.
Looking for creative inspiration after calibration? Explore BeatCraft for lightning-fast beat sketching alongside your AudioTest Pro workflow.
Testing Tools
Precision Tone Generator
Generate pure sine wave tones from 20 Hz to 20,000 Hz. Perfect for equipment testing, speaker calibration, and reference tones.
Launch ToolFrequency Sweep Generator
Sweep across frequency ranges to analyze full-spectrum response. Essential for comprehensive equipment testing.
Launch ToolHearing Test
Test your hearing range across the frequency spectrum. Compare results to age-based norms and track changes over time.
Launch ToolMultiple Tone Generator
Generate and mix multiple frequencies simultaneously. Perfect for testing speaker distortion and harmonic analysis.
Launch ToolSubwoofer Test
Deep bass frequency tests optimized for subwoofer performance testing. Frequencies from 10 Hz to 100 Hz.
Launch ToolDTMF Tone Generator
Generate dual-tone multi-frequency signals for telephone system testing and telephony applications.
Launch ToolNoise Generator
Generate white, pink, and brown noise for speaker calibration and room acoustics testing
Launch ToolRoom Mode Calculator
Calculate acoustic room modes and standing waves based on room dimensions
Launch ToolSpectrum Analyzer
Real-time FFT frequency spectrum visualization with spectrogram display
Launch ToolNew to Audio Testing?
Audio testing doesn't require expensive equipment. Our professional-grade web tools use your device's audio output to generate precision test signals. Whether you're calibrating studio monitors, testing headphones, or just curious about your hearing range, we've got you covered.
Learn MoreQuick Frequency Reference
Sub-Bass
20-60 Hz
Felt more than heard. Deep rumble, powerful bass.
Bass
60-250 Hz
Kick drums, bass guitars, low male voices.
Midrange
250-4,000 Hz
Most vocals, guitars, pianos. Critical range.
Treble
4-20 kHz
Cymbals, hi-hats, air, clarity, presence.
Volume Warning
High volume can damage hearing and equipment. Always start with low volume and increase gradually. Use at your own risk.