Acoustic Shock Elimination, Noise Suppression, Echo Cancelling, Feedback Elimination and Beam Forming as well as Voice Synthesis Acoustic Shock Elimination, Noise Suppression, Echo Cancelling, Feedback Elimination and Beam Forming as well as Voice SynthesisFeatures: * Low power consumption * Wide supply voltage range (3 20 V) * dual channel audio * small dimensions (35mm x 20 mm) * built-in ...