Subscriber loudspeaker `` Lira AG-347 ''.

Subscriber loudspeakers.DomesticSince 1999, the Lira AG-347 subscriber loudspeaker has been produced by Izhevsk Radio Plant OJSC. Designed to reproduce the transmissions of the LF channel of the wire broadcasting network. The rated voltage in the network is 30 V. The range of reproducible frequencies is 150 ... 10000 Hz. Average sound pressure 0.25 Pa. Loudspeaker dimensions 140x162x75 mm. Weight 0.9 kg.