The 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. The newly developed polyimide diaphragm is employed to ensure high sound quality.

Specification

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, %%c6.3 phone jack, volume control

Diaphragm Polyimide film (voice coil, bobbin)

Remaining Battery Indication LED (also serves as a power indicator)

Steady ON: Normal use, Flashing: Batteries need replacement

Operating Temperature -10 ℃ to +40 ℃

Finish Horn ring: Vinyl chloride, gray

Horn: Aluminum, light gray, paint

Case top: Die-cast aluminum, gray, paint

Strap: Nylon, black, Others: ABS resin, gray

Dimensions φ351 × 512 mm

Weight 3.6 kg (without batteries) , Microphone: 150 g

Accessory φ3.5 mini plug (AUX input)…1, External power supply cord (1 m)…1,

Splash-proof cover…1 (*3)

Option Speaker stand: ST-16A, Microphone: DM series