The Dynamax SR99SU is a 25W rechargeable megaphone designed for clear long-distance voice projection in schools, events, emergency situations, sports, and crowd control. This model features a USB and SD card input for audio playback, a built-in siren function, and a detachable handheld microphone with volume control. Powered by a rechargeable battery, it is ideal for frequent use without the hassle of replacing batteries. A durable shoulder strap is included for comfortable mobility.
25W output – up to 1.2 km voice range
USB/SD music playback & built-in siren
Rechargeable battery – eco-friendly & cost-saving
Detachable mic with volume control
Sturdy build with carrying strap for portability
US 6925 
BR 2050 
CA 1582 
AU 1563 
TH 1483 
JP 1347 
SG 1200 
MY 929 
