Musician In-Ear Monitor (IEM) Safe SPL Dose & Beltpack Output-Impedance Curve Predictor

Deterministic Voltage-divider frequency-dependent impedance transfer 20*log10(Z_iem(f)/(Z_iem(f)+Z_out)) + NIOSH 85 dBA 3-dB exchange-rate dose integral engine (.pdf, .json, .svg) built for 64 Audio, JH Audio, Shure PSM1000, Sennheiser EW-IEM — zero-upload ephemeral Wasm RAM execution.

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