Что за зверюга? Случайно попался на просторах ebay, описание весёлое. Взаправдошний? Гугл молчит

MOSCOW KREMLIN WOOFER!!! FIELD COIL
SOLD ONLY TOGETHER PAIR !!!
PRICE 8000USD FOR ONE WOOFER!!!
Have been developed on special request by government of USSR, for all halls of Moscow Kremlin. . Of halls Moscow Kremlin, all speakers were written off in 1993 year. I found only a pair.
Membrane composite ,rigid and light foam ~3mm. between 2 layer slim aluminium foil , membrane wery light and rigid.
Extremely fast and low sound.
Size 24 inch,
Weight ~30kg one, (of which 25 kg of magnet)
DC power field coil - 300V
Aluminium voice coil wound on edge.
Impedanse 8ohm, sensitivity 1w/1m 106db, Fs 10hz, Fo 2khz.