Additional Features: • Omni and Directional Microphone Verification • New Automatic Rotating Test Pad Provides Convenient Directional Hearing Instrument Testing • Measures Polar Plots Of Instrument Sensitivity • Allows For Customized Test Protocols • Simple One-Cable USB Connectivity Eliminates The Need For External Power Supply • Superior Acoustic Isolation For Accurate Testing AVANT Polar HIT+ Performs The Following Measurements: • • • • • • • • • • • Directionality OSPL 90 Full On Gain Reference Test Gain Frequency Response Equivalent Input Noise Harmonic Distortion Battery Drain Input - Output...