SMD IM-SG+ Impedance Meter / Signal Generator PLUS

Some uses of the D’Amore Engineering / SMD IM-SG+ (Impedance Meter / Signal Generator PLUS). Quickly and safely locate stock speakers (and locations) in the vehicle. Quickly determine frequency of any enclosure (sealed, ported, bandpass, etc) using Auto-lock. Quickly find the Fs of any speaker using auto-lock for proper tuning of that driver. Obtain a driver's T/S Parameters.