ThunderPower 250 – 25 Watts – Up to 1200 Yard Range

Original price was: $99.69.Current price is: $79.75.

The best medium-sized, durable megaphone. Includes Extra Loud Siren, Whistle, Nylon Strap and Adjustable Volume Control Knob. Perfect for Police, Outdoor Coaching and Cheer leading Squads.

This Megaphone Uses 6 C Batteries

UPC: 670541871195
Availability: 76 in stock SKU: THUN250

6 Pack of "C" Alkaline Batteries

Duracell High Power "C" Cell Alkaline Battery


25 Watts of power results in getting your voice heard up to 1200 yards range.

Volume: Voice: 102 dB / Siren: 118 dB. dB
How loud is that? That’s about the sound of a loud clap of thunder. 

Megaphone Details:

The ThunderPower 250 strikes that perfect balance between power, size and weight. Megaphones this loud are usually much bigger and cost much more. If you need a megaphone for large indoor venues or medium outdoor areas and want something that is still easy to carry around then the ThunderPower 250 is your megaphone!

The ThunderPower 250 is commonly used by:

  • Police Officers
  • Fire Fighters
  • Teachers
  • Coaches
  • Preachers
  • Demonstrators

Because the ThunderPower 250 is constructed from heavy-duty industrial plastic, it is considered one of the most durable and well-made megaphones on the market today.   Whether it is grassroots protesting or mission critical coordination of people, the ThunderPower 250 is the right choice for anyone who needs to be heard. Plus the blue and blue gray color scheme displays an attractive and visible design for grabbing attention or even being photographed.

FLEXIBLE USES: The ThunderPower 250 is one of the most flexible megaphones on the market today. It is used by:

  • Emergency Response Personnel
  • Athletic Coaches
  • Cheerleaders and Sporting Fans
  • Schoolteachers
  • Community Organizers
  • Preachers
The THUN-250 has a 3-way toggle switch to enable either the siren or whistle sound, and a smooth volume adjustment wheel.

EMERGENCY SIREN OR COACHING WHISTLE SETTING: In addition to amplifying the voice, the ThunderPower 250 can project either an emergency alert siren or a loud whistle sound. Both can be heard up to 1200 yards and are great for coaching orders or commanding the attention of a crowd. Each sound can be governed by an adjustable volume control knob. The ThunderPower 250 is perfect for:

  • Coaching Team Sports
  • Crowd Control
  • Generating Audience Response

AMPLIFY VOICE SETTING: 25 Watts of power can amplify your voice up to 1200 yards with a 90-degree voice projection angle for direct sound aiming. 10-inch bell megaphone speaker is a handheld, 3.8 lbs with easy to move finger trigger switch.

Cheerleader with THUN-250 megaphone.
The THUN-250 is a perfect megaphone/bullhorn for cheerleading squads and coaching staffs.

HIGH-QUALITY CONSTRUCTION: A multiple range of sounds can be used comfortably with the strong hand filling pistol grip and 17-inch black nylon wrist lanyard. Our power bullhorns are made with high-density strong plastic and solid-state speaker for lasting durability.

THUN-250 megaphone with all of its features.
The THUN-250 has 25 Watts of power which is capable of projecting sound across eight football fields! It also has a 17″ nylon wrist strap and responsive soft-touch trigger.

All of our megaphones are tested and certified in the USA so the quality is incredible and we back them by a full 1 year, expedited in-house express warranty so you have complete peace of mind. You will be extremely impressed with your ThunderPower Megaphone!

Decibel chart showing how loud the THUN-250 is.
The THUN-250 can deliver 118 decibels of sound or the equivalent to a loud clap of thunder.

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  • 25 Watts of Power
  • Up to 1200 yards range
  • Ultra durable construction
  • Pistol-trigger switch
  • Volume Control
  • Uses 6 C batteries.
  • Dimensions: 15″ length x 10″ diameter bell
  • Weight: 3.8 lb (no batteries) / 4.7 lb (with batteries)
  • 1 year warranty
  • MSRP: $100.00

Looking for bull horn that’s a bit more cost effective? Try our THUN150! or THUN120!

Additional information

Weight4.5 lbs
Dimensions15 × 10 × 11 in

Indoor and Outdoor Events

Auxiliary Input Jack



6 C Batteries

Palm Mic



25 Watts

Cigarette Power Adapter


Presentation Mic



Up to 1200 yards



Siren Max Volume

118 dB


Hand Strap

Voice Max Volume

102 dB


1 Year