TOA โทรโข่ง ER1206s (Hand Grip Type Megaphone with Siren)

https://toathailand.com/document/449-er-1206s-(10w-max.)-splash-proof-hand-grip-type-megaphones-with-siren-specification.pdf

R6P (AA) × 6 (9 V DC) or R6P (AA) × 4 (6 V DC)
Rated Output
6 W (when using six R6P batteries)
Maximum Output
10 W (when using six R6P batteries)
Battery Life
When using six R6P batteries (JEITA)(*1)
Voice: Approx. 8 hours, Siren: Approx. 20 minutes
When using four R6P batteries(*2) (JEITA)(*1)
Voice: Approx. 5 hours, Siren: Approx. 10 minutes
Audible Range
Voice: Approx. 250 m (JEITA)(*1), Siren: Approx. 315 m (JEITA)(*1)
Signal Sound
Siren (sounds at 5 seconds intervals)
Frequency Response
450 Hz - 6 kHz (SPL -20 dB)
Magnetic Circuit
Neodymium magnet, inner magnet type
Diaphragm
Polyimide film (voice coil, bobbin)
Water Protection
IPX5
Operating Temperature
-10 ℃ to +40 ℃
Finish
Horn: ASA resin, clear red
Other: ASA resin, red
Strap: Nylon, black
Dimensions
154 (W) × 266 (H) × 250 (D) mm
Weight
680 g (without batteries)
Accessory
Battery spacer …1
Option
Wall mounting bracket for megaphone: SP-1100