Headphones/Earphones – Wireless Microphone System - 20 kHz Maximum Operating Frequency - 20 Hz Minimum Operating Frequency - Omni-directional - 90 dB(A) Signal to Noise Ratio (SNR A-Weighted) - Lavalier - 15 Hour Battery ...
Headphones/Earphones – Speaker - 300 Hz Minimum Frequency Response - 15 kHz Maximum Frequency Response - 15 W RMS Output Power - White - Restriction of Hazardous Substances (RoHS) - Indoor/Outdoor - 8 Ohm Impedance - 105 dB ...