AR-999
Feature
帶音樂提示前奏，適合碼頭、車站、機(jī)場等售票窗口。
AY-999  with music, it is suitable for ticket area of dock, bus-station
and airport.
換能方式(Type of Adapter)：Φ14背極電容式(Style ofcapactitance)
指向特性(Pointing Feature)：超心型(Ultra-Cardioid)
供電方式(Type of Power)：DC AA1.5X2( DC AA1.5X2)
靈敏度(Sensitivity)：(-30±1)dB
頻率響應(yīng)(Frequency Response:)：(10-14000)Hz