TOA ER-2230W Shoulder Type Megaphone with Whistle
ER-2230W is a shoulder megaphone having facilities of EXT. mic input, an AUX input, a DC power input, a battery meter whistle sound. It can be mounted to the optional ST-16A speaker stand. Its microphone assembly are given germ-resistant treatment. The newly developed polyimide diaphragm is employed to ensure high sound quality

Power Source	Battery: R20P (D) × 10 (15 V DC) External Power: 12 V DC Battery
Rated Output	30 W
Maximum Output	45 W
Signal Sound	Whistle (1.6 to 2.4 kHz)
Battery Life	Voice: Approx. 17 hours (JEITA (*2)), Whistle: Approx. 90 min. (JEITA (*2))
Audible Range	Voice: Approx. 800 m (JEITA (*2)), Whistle: Approx. 1000 m (JEITA (*2))
AUX Input Sensitivity	-10 dB (*1) (300 mV), 10 kΩ (φ3.5 mini jack, stereo plug acceptable) , volume control
EXT. Mic Input	600 Ω, unbalanced, φ6.3 phone jack, volume control
Diaphragm	Polyimide film (voice coil, bobbin)
Anti-bacteria Treatment	Microphone
Remaining Battery Indication	LED (also serves as a power indicator) Steady ON: Normal use, Flashing: Batteries need replacement
Operating Temperature	-10

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