Acoustic systems '' Estonia 130AS-002 '' and '' Estonia 130AS-003 ''. <!--LiveInternet counter--><script type="text/javascript"><!-- new Image().src = "//counter.yadro.ru/hit?r"+ escape(document.referrer)+((typeof(screen)=="undefined")?"": ";s"+screen.width+"*"+screen.height+"*"+(screen.colorDepth? screen.colorDepth:screen.pixelDepth))+";u"+escape(document.URL)+ ";"+Math.random();//--></script><!--/LiveInternet-->

Acoustic systems, passive or active, as well as electro-acoustic units, hearing aids, electric megaphones, intercoms ...Passive speaker systemsAcoustic systems "Estonia 130AS-002" and "Estonia 130AS-003" since 1991 have been produced by JSC "RET" mountains. Kohtla-Järve. Since the beginning of 1993, Bryansk EMZ has been producing AS "Soyuz 130AS-002", a similar AS - "Estonia 130AS-002", except for regulators of MF and HF levels, in the ranges from 1 to 5 kHz and from 5 to 25 kHz, respectively, and located at the back.