Megafoon TM-17

- Built-in microphone: no
- Hand-held microphone: yes
- Wireless microphone: no
- Lockable button microphone: yes
- Pistol grip: yes
- Shoulder strap: yes
- Connection cable for motor vehicles: yes
- Siren: yes
- Volume control: yes
- Output power (PMAX): 25 W
- Sensitivity: 119 dB
- Power supply: 8 x 1.5 V batt. C size, not supplied, ext. DC 12 V/2 A
- 12 V connection: yes

- Built-in microphone: no
- Hand-held microphone: yes
- Wireless microphone: no
- Lockable button microphone: yes
- Carrying strap: yes
- Shoulder strap: yes
- Connection cable for motor vehicles: yes
- Siren: yes
- Volume control: yes
- 8 mm thread: yes
- Output power (PMAX): 35 W
- Sensitivity: 122 dB
- Power supply: 8 x 1.5 V batt. C size,not supplied, ext. DC 12 V/3 A
- 12 V connection: yes

- Built-in microphone: no
- Hand-held microphone: yes
- Wireless microphone: no
- Lockable button microphone: yes
- Shoulder strap: yes
- Connection cable for motor vehicles: yes
- Siren: yes
- Volume control: yes
- 8 mm thread: yes
- Aux input with level control: yes
- Output power (PMAX): 45 W
- Sensitivity: 124 dB
- Power supply: 10 x 1.5 V batt. D size, not supplied, ext. DC 12 V/4 A
- 12 V connection: yes

- Power Source R14P (C) × 6 (9 V DC)
- Rated Output 15 W
- Maximum Output 23 W
- Signal Sound Siren (sounds at 5 seconds intervals)
- Battery Life Voice: Approx. 14 hours (JEITA)
- Siren: Approx. 20 minutes (JEITA)
- Audible Range Voice: Approx. 315 m (JEITA)
- Siren: Approx. 500 m (JEITA)

- 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), Whistle: Approx. 90 min. (JEITA)
- Audible Range Voice: Approx. 800 m (JEITA (JEITA), Whistle: Approx. 1000 m (JEITA)
- AUX Input Sensitivity: -10 dB (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°C to +40°C

- Power Source R6P (AA) × 8 (12 V DC)
- Rated Output 6 W
- Maximum Output 10 W
- Signal Sound Siren
- Battery Life Voice: Approx. 10 hours (JEITA)
- Siren: Approx. 40 minutes (JEITA)
- Audible Range (City areas) Voice: Approx. 250 m (JEITA)
- Siren: Approx. 315 m (JEITA)
- Diaphragm Polyimide film
- Operating Temperature: -10°C to +40°C