This site contains affiliate links for which we may be compensated.
Vonyx Meg020 Megaphone$29.00
Compact, lightweight megaphone with a powerful 20W amplifier with recording and siren function. Range 0.5 to 0.7 km, depending on environmental conditions. The megaphone also has a volume control and a comfortable pistol grip with a short carrying strap.
Power supply via 4 x D batteries (1.5 V). Ideal for use in schools, at events etc.