Inhouse product
Product Description
Show ER-66 megaphone has built-in siren, maximum 25 watt power requirements, range 0.8 - 2 km, 8×"C" type batteries, external power source 12V battery or 8 x 1.5V DC, speaker impedance 8 ohms, dimensions 230 x 350, weight 1.65 kg.
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