Speaker Toolkit

A pocket audio lab for testing and exercising your iPhone speaker. Every tool generates sound locally — no microphone, no network, no account. • Speaker Cleaner — preset sweeps that may help dislodge loose water or dust. • Air Blower — shaped wind noise, four power levels. • Frequency Generator — 20 Hz to 20 kHz with live oscilloscope. • Speaker Test — Left, Right, Stereo, Bass, Treble diagnostics. • Noise Lab — White, Pink, Brown noise. Sound waves, not magic. Cannot repair damaged hardware.