ER55S 25W HANDHELD MEGAPHONE WITH BUILT-IN SIREN Ruggedly-built Megaphone – ideal for sports, coaching, fairs and outdoor events! Features Lightweight, strong ABS construction Comfortable, Balanced pistol grip handle with shoulder carry strap Press-to-talk switch Built-in siren ...ER55S 25W HANDHELD MEGAPHONE WITH BUILT-IN SIREN Ruggedly-built Megaphone – ideal for sports, coaching, fairs and outdoor events! Features Lightweight, strong ABS construction Comfortable, Balanced pistol grip handle with shoulder carry strap Press-to-talk switch Built-in siren Anti-howling microphone Power: 25 Watts Distance: 0.5 – 0.7Km Dimensions: 230 Ø mm x 340 mm Requires : 8 x ‘C’ batteries (sold separately) Weight: 1.65kg (without batteries) Specifications Frequency Response: Low: 430~530HZ, H:10.2~13.8KHZ (at 1W -3d - B) Distortion 3% at 1W 1KHZ S / N: 44-85d - B at 1W 1KHZ Load: 8 ohms Power: 20 Watts at 1KHZ ,10% T.H.D Rated Output: 9V / 10W Talk Current: 2.3A Siren Current: 3.9A Input Sensitivity: -37d - B Motionless State Current: 140-160m - A Siren Output Level (SPL): 105d - B at 1m