ER-2230W
Megaphone with Whistle
ER-2230W
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.
- High power shoulder megaphone for extreme long distance messages
 - Whistle signal
 - Splash-proof cover included
 - Microphone lock switch
 - Auxiliary-input with volume control for tape or radio and earphone output
 - Power plug cord (for 12 V battery) included
 
 (*1) 0 dB = 1 V
                Power Source
                        
                      Battery: R20P (D) x 10 (15 V DC)
External Power: 12 V DC Battery
                    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 (Ø3.5 mini jack, stereo plug acceptable) ,
volume control
                    volume control
EXT. Mic Input
                        
                      600 Ω, unbalanced, Ø6.3 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
                    Steady ON: Normal use, Flashing: Batteries need replacement
Operating Temperature
                        
                      -10 °C to +40 °C
                    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
                    Horn: Aluminum, light gray, paint
Case top: Die-cast aluminum, gray, paint
Strap: Nylon, black, Others: ABS resin, gray
Dimensions
                        
                      Ø351 x 512 mm
                    Weight
                        
                      3.6 kg (without batteries) , Microphone: 150 g
                    Included Accessories
                        
                      Ø3.5 mini plug (AUX input) x 1, External power supply cord (1 m) x 1, Splash-proof cover x 1 (*3)
                    Optional Accessories
                        
                      Speaker stand: ST-16A, Microphone: DM series
                    
                                  (*2)JEITA: Japan electronics and information technology industries association. (EIAJ TT-4501A)
(*3) Do not use the unit in heavy rains or strong winds, or in locations where the unit is directly exposed to water even using with the supplied splash-proof cover.
Note: Batteries are optional.
              
              (*3) Do not use the unit in heavy rains or strong winds, or in locations where the unit is directly exposed to water even using with the supplied splash-proof cover.
Note: Batteries are optional.
Please download Datasheet to access full specifications.
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