Transmission Loss (STC)
SPL Traffic Light
Impedance (meter and sweep)
They have an interface that connects to the dock connector and will allow you to measurement microphones and calibrate it to the software.
Sota Acoustics Ltd is a company dedicated to the creation of a family of audio products that have an engineered approach. Branded Markaudio-Sota, one of its goals is to apply an All-Range audio driver technology with minimalist control networks.