Megaphone is very popular in Bangladesh for easy to use and move to any location. Megaphone can be easily carried by a single hand. Handle and microphone with anti-bacteria treatment improve hygiene and safety during use. The newly developed polyimide diaphragm is employed to ensure high sound quality. Distinctive whistle, yepl or siren signaling will get the crowd’s attention and make sure your message is heard.

The ER-3215 is an easy-to-operate, hand grip type 15 W megaphone with a removable microphone. It can be used as a shoulder-type megaphone when the microphone is detached. The newly developed polyimide diaphragm is employed to ensure high sound quality.
Specification of megaphone
Power Source |
R14P (C) × 6 (9 V DC) |
Rated Output |
15 W |
Maximum Output |
23 W |
Battery Life |
Approx. 9 hours (JEITA)* |
Audible Range |
Approx. 400 m (JEITA)* |
Diaphragm |
Polyimide film (voice coil, bobbin) |
Operating Temperature |
-10 ℃ to +40 ℃ |
Finish |
Horn: ABS resin, light gray
Mouth, battery case and handle: ABS resin, gray
Strap: Nylon, black |
Dimensions |
210 (W) × 291 (H) × 381 (D) mm (when attaching the microphone) |
Weight |
Body: 1.15 kg (without batteries and microphone)
Microphone: 150 g |
Note: Batteries are optional.
(*)JEITA: Japan electronics and information technology industries association.

The TOA 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.
- Detachable Hand-held Microphone with volume control and On/Off switch
- 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
- (*1) 0 dB = 1 V
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 |
- (*2)JEITA: Japan electronics and information technology industries association.

Small in size and light in weight, the TOA ER-520 megaphone can be easily carried by a single hand. The newly developed polyimide diaphragm is employed to ensure high sound quality.
Power Source |
R6P (AA) × 8 (12 V DC) |
Rated Output |
6 W |
Maximum Output |
10 W |
Battery Life |
Approx. 10 hours (JEITA)* |
Audible Range (City areas) |
Approx. 250 m (JEITA)* |
Diaphragm |
Polyimide film |
Operating Temperature |
-10 ℃ to +40 ℃ |
Finish |
Horn: ABS resin, light gray
Strap: Tetoron, black
Handle, mouth and others: ABS resin, gray |
Dimensions |
160 (W) × 256 (H) × 260 (D) mm |
Weight |
620 g (without batteries) |
- *JEITA: Japan electronics and information technology industries associatio
TOA Megaphone Brochure
TOA Megaphone Brochure
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