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Tone Generator

Generate pure test tones at any frequency from 20 Hz to 20,000 Hz with real-time waveform visualization.

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Full human hearing range, logarithmic scale

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Sine, Square, Triangle, Sawtooth

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Shows musical note name for each frequency

Live Waveform

440 Hz

A4 — Concert Pitch

Frequency Presets

Waveform Type

Volume60%

Tap to start generating tone

Reference

Frequency Range Guide

Range	Frequency	What to Listen For	Common Issues
Sub Bass	20–60 Hz	Rumble, physical sensation	Distortion at high volumes
Bass	60–250 Hz	Warmth, body, fullness	Boomy or thin sound
Low Mid	250–500 Hz	Muddiness or clarity	Boxiness, lack of punch
Midrange	500 Hz–2 kHz	Voice intelligibility	Nasal, honky sound
Upper Mid	2–4 kHz	Presence, definition	Harshness, ear fatigue
Presence	4–8 kHz	Clarity, detail, attack	Sibilance, brittleness
Brilliance	8–20 kHz	Air, sparkle, extension	Hiss, no high-frequency