Observed arrival · 2026-10-23
Sound Tester
A browser-based suite for checking speakers, headphones, audio channels, tones, microphones, and room noise.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People checking headphones, speakers, or audio equipment
- Worth noticing
- The listed frequency sweep spans 20 Hz to 20 kHz, and the suite also includes a real-time FFT spectrum analyzer.
Field notes
The homepage organizes the collection into sound tests, audio tools, and hearing and analysis tools. Its listed options include a tone generator with sine, square, and sawtooth waves, a bass test, binaural beats, and an audiogram-style hearing check. The page describes the spectrum analyzer as a real-time FFT view; the extracted homepage does not show its interface.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
◎NicheUnusually specific use
One card from the complete issue