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Loudspeakers    Sound Screen Devices    Electrodynamic Earphones    Microphones and accessories    Megaphones    Radio-line devices	Radio-line devices Type Input Voltage Passport output Rated Frequency Range Typical Sensitivity at 1W per 1 m Overall dimensions Weight   V W Hz dB mm kg VA - IV 30 0,3 315-5000 85 208o188o101 0,94 VA - IV-02 30 0,3 125-18000 84 124o192o87 0,73 VA - IV-06 100 0,3 125-18000 84 124o192o87 0,77