Velleman MP25SFM Power Megaphone, 25 W, Multi-Colour
Velleman
Califone PA25R 25 Watt Megaphone with 458 Foot Range
Califone
BbteK Portable Megaphone Bullhorn Portable 25W Megaphone Public Security Guard Loud Speaker Travel Guide Speech Teach Voice Amplifier with Siren Loud Speaker Powerful and Lightweight Amplifiers
BbteK
Megaphones Handheld Megaphone 25 Watt Compact Bullhorn Speaker with Built-in Siren, Voice Recorder Handheld Voice Amplifier Loud Volume
SAAKO