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.
| 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 |