TOA ER-2930W Shoulder Megaphone, 30W, Grey, Whistle & W/less Mic

TOA ER-2930W Shoulder Megaphone, 30W, Grey, with Whistle & Wireless Mic, Range 800m/1000m Wireless Microphone Option WTU-4800 UHF Tuner Module Handheld, Lapel or headset Microphone Options Whistle function Power Output: 30W Rated / 45W Max. 10 D batteries (17 hrs) Battery Life Indicator Range: 800m (voice) / 1000m (whistle) Auxiliary Line Input External Microphone Input Anti-bacterial treatment for all models (mouthpiece/microphone and handle) High durability ABS or ASA resin construction Compact and lightweight Wide frequency range for enhanced audio quality Neodymium magnets and Polyimide speaker diaphragms Specification Power Source Battery: R20P (D) x 10 (15 V DC) Rated Input 30 W Maximum Output 45 W Signal Sound Whistle (1.6 – 2.4 kHz) Battery Life Voice: Approx. 17 hours, Whistle: Approx. 90 min Audible Range Voice: Approx. 800m, Whistle: Approx. 1000m AUX Input Sensitivity -10dB (300mV), 10 kΩ (3.5 mini jack, stereo plug acceptable), volume control EXT. Mic Input 600 Ω, unbalanced, 6.3 phone jack, volume control Receiving Frequency UHF (800 MHz band), VHF (200 MHz Band) Antenna Fold-down flexible antenna Diaphragm Polyimide film (vocie coil, bobbin) Remaining Battery Indication LED (also serves as a power indicator) Steady on: Normal use, Flashing: Batteries need replacing Operating Temperature -10°C to +40°C Finish Horn Ring: Vinyl Chloride, grey Horn: Aluminium, light grey, paint Case top: Die-cast aluminium, grey paint Strap: Nylon, black Others: ABS resin, grey Dimensions 351 x 512 mm Weight 3.8kg without batteries, microphone: 150 g