We have spent around 46 hours to find the right option for you and based on our research Portable Megaphone Speaker Siren Bullhorn – Compact and Battery Operated with 30 Watt Power, Microphone, 2 Modes, PA Sound and Foldable Handle for Cheerleading and Police Use – Pyle PMP31BL (Blue) is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is Pyle Megaphone PA Bullhorn Speaker – Built-in Siren 50 Watts Rechargeable Battery- 10 Sec Record Function for Football Baseball Basketball Cheerleading Fans Coaches or for Safety Drills – (PMP59IR). Below is a review of some of the best loudest megaphone, together with their specifications and functions. So without further waiting, Let’s dive right in.
Best loudest megaphone

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Extra Loud, Heavy Duty Megaphone – ThunderPower 1200 – 45 Watts of Power
Extra Loud, Heavy Duty Megaphone - ThunderPower 1200 - 45 Watts of Power
Features
- PROJECT YOUR VOICE: ThunderPower Earthquake Maker 45-watt megaphone speaker ideal for voice projection and is a must-have for outdoor gatherings and crowd control
- 2 MODES: Choose between 2 megaphone modes: talk and a siren alarm to hold your audience's attention; Easy-adjust volume control lets you set the volume level to your liking; Siren max volume: 122 dB; Voice max volume: 112 dB
- AMPLE RANGE: Enjoy a generous 2000-yard range as the megaphone uses a wide 12-inch bell diameter for extended projection.
- CONVENIENT FEATURES: Includes auxiliary input for playing music from your devices, 1 carrying strap, and a detachable palm mic for added convenience
- DUAL OPERATION: Vehicle DC, power cable car battery, charging or choose battery-operated system; Requires 8 C batteries that are not included
Pyle Megaphone Speaker PA Bullhorn with Builtin Siren 50 Watts & Adjustable Volume Control Ideal for Football, Baseball, Hockey, Cheerleading Fans & Coaches or for Safety Drills PMP53IN
Pyle Megaphone Speaker PA Bullhorn with Builtin Siren 50 Watts & Adjustable Volume Control Ideal for Football, Baseball, Hockey, Cheerleading Fans & Coaches or for Safety Drills PMP53IN
$32.20 in stock
7 used from $22.36
Features
- CLEAR SOUND & LONG RANGE: Be heard up to 1200 feet away with this professional megaphone amplify your voice with clarity; This bullhorn speaker produces powerful 50 watt sound
- ERGONOMIC GRIP & LIGHT WEIGHT: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap; It comes with handheld mic & works with just 8 C batteries bring it with to your next occasion
- MULTI FUNCTION: This bullhorn megaphone has 35mm aux input has talk, siren and volume control options has been utilized by indoor & outdoor sports activities, police, firefighters, cheerleading, schools or director
- SIREN ALARM MODE: Amplifies an emergency tone with adjustable volume control through the megaphone speaker Pyle PMP53IN megaphone bullhorn needs 8C batteries; It has a built in siren so you can get everyone’s attention fast Be heard loud and clear
- DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out Whether on the athletic field, road or in emergency response situations
MyMealivos Megaphone with Siren Bullhorn 50 Watt – Bullhorn Speaker with Detachable Microphone, Portable Lightweight Strap & 3.5mm Aux Input – Professional Outdoor Voice for Police & Cheerleading
MyMealivos Megaphone with Siren Bullhorn 50 Watt - Bullhorn Speaker with Detachable Microphone, Portable Lightweight Strap & 3.5mm Aux Input - Professional Outdoor Voice for Police & Cheerleading
Features
- BE HEARD - This megaphone has 50 watt peak power and can propel your voice and sounds up to 1,200 yards away. Be comfortable with the ergonomic pistol-grip and light-weight chassis. Use indoors or outdoors.
- BULLHORN SPEAKER WITH DETACHABLE MICROPHONE - Use the Included Wired Microphone to Project Your Voice.
- Built-in SD & USB Flash Memory Card Readers. Built-in Rechargeable Lithium Battery or Battery Powered by (8) x "C" Type Batteries (not included).
- FUNCTIONAL - Has 3 audio modes: record, siren and talk. The Record and replay audio function will keep your voice on command and they'll be sure to hear your message over and over. The siren function serves as a blast of sounding alert and with the talk function your words are instantly amplified in real-time.
- PLUG IT IN - 3.5mm Aux-in jack allows you to connect any compatible external device including your iPod, iPhone, Android, or other smartphones and MP3 players to stream audio files directly through the megaphone. Play files from your Mac or PC's favorite media library like iTunes. Prerecord your messages and let your external device be your voice (not included).
Pyle Megaphone PA Bullhorn Speaker – Built-in Siren 50 Watts Rechargeable Battery- 10 Sec Record Function for Football Baseball Basketball Cheerleading Fans Coaches or for Safety Drills – (PMP59IR)
Pyle Megaphone PA Bullhorn Speaker - Built-in Siren 50 Watts Rechargeable Battery- 10 Sec Record Function for Football Baseball Basketball Cheerleading Fans Coaches or for Safety Drills - (PMP59IR)
$52.05 in stock
1 used from $24.84
Features
- CLEAR SOUND & LONG RANGE: Be heard up to 1200 feet away with this professional megaphone. Amplify your voice with clarity. This bullhorn speaker produces powerful 50 watt sound & 10 seconds recording function
- ERGONOMIC GRIP & LIGHT-WEIGHT: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. It comes with handheld mic & works with just 8 D batteries. Bring it with to your next occasion
- MULTI-FUNCTION: This bullhorn megaphone has 3.5mm aux input has talk, siren and volume control options has been utilized by indoor & outdoor sports activities, police, firefighters, cheerleading, schools or director
- SIREN ALARM MODE: Amplifies an emergency tone w/ adjustable vol. control through the megaphone speaker. Pyle PMP59IR megaphone bullhorn needs 8 D batteries & features a built-in siren so you can get everyone’s attention fast. Be heard loud & clear
- DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out. Whether on the athletic field, road or in emergency response situations.
Portable Megaphone Speaker Siren Bullhorn – Compact and Battery Operated with 30 Watt Power, Microphone, 2 Modes, PA Sound and Foldable Handle for Cheerleading and Police Use – Pyle PMP31BL (Blue)
Portable Megaphone Speaker Siren Bullhorn - Compact and Battery Operated with 30 Watt Power, Microphone, 2 Modes, PA Sound and Foldable Handle for Cheerleading and Police Use - Pyle PMP31BL (Blue)
$12.75 in stock
2 used from $12.75
Features
- VOICE MODE: The megaphone speaker has 2 audio modes. The first one is voice mode wherein the bullhorn amplifies a voice or sound spoken into the microphone. This mode is most commonly used in cheerleading and other school activities
- SIREN ALERT MODE: The second mode is siren alter mode. With this mode, the bullhorn can act as a siren and sound an emergency alarm tone with just a push of a button. This mode can be used by the police and anyone else
- 30 WATT POWER: The power output of the portable megaphone is 30 watt max. It is battery operated and requires (4) x D batteries. It also has a Blue ergonomic pistol grip design and mini lightweight chassis
- HIGH POWERED PA SOUND: This bullhorn megaphone has a high-powered PA sound and the audio projection range is up to 800 plus yards. There is an adjustable volume for noise control during different situations
- COMPACT AND PORTABLE: This megaphone speaker is compact and portable with an exact dimension of 6.3'' x 10.0''. It even has a convenient quick folding or foldable handle that comes in handy when traveling
Pyle Megaphone Speaker PA Bullhorn with Built-in Siren – 50 Watts Adjustable Volume Control and 1200 Yard Range – Ideal for Football, Soccer, Baseball, Hockey and Basketball Cheerleading Fans and Coaches or for Safety Drills (PMP52BT)
Pyle Megaphone Speaker PA Bullhorn with Built-in Siren - 50 Watts Adjustable Volume Control and 1200 Yard Range - Ideal for Football, Soccer, Baseball, Hockey and Basketball Cheerleading Fans and Coaches or for Safety Drills (PMP52BT)
$51.44 in stock
3 used from $23.09
Features
- CLEAR SOUND & LONG RANGE: Be heard up to 1200 feet away with this professional megaphone. Amplify your voice with clarity. This bullhorn speaker produces powerful 50 watt sound.
- ERGONOMIC GRIP & LIGHT-WEIGHT: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. It comes with handheld mic & works with just 8 C batteries. Bring it with to your next occasion.
- MULTI-FUNCTION: This bullhorn megaphone has 3.5mm aux input has talk, siren and volume control options has been utilized by indoor & outdoor sports activities, police, firefighters, cheerleading, schools or director.
- SIREN ALARM MODE: Amplifies an emergency tone with adjustable volume control through the megaphone speaker. Pyle PMP52BT megaphone bullhorn needs 8 C batteries & features a built-in siren so you can get everyone’s attention fast. Be heard loud and clear!
- DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out. Whether on the athletic field, road or in emergency response situations.
Pyle Portable Compact PA Megaphone Speaker with Alarm Siren & Adjustable Volume – 50W Handheld Lightweight Bullhorn – with Mic, AUX IN for MP3 & Rechargeable Battery – Indoor Outdoor Use – PMP561LTB
Pyle Portable Compact PA Megaphone Speaker with Alarm Siren & Adjustable Volume - 50W Handheld Lightweight Bullhorn - with Mic, AUX IN for MP3 & Rechargeable Battery - Indoor Outdoor Use - PMP561LTB
$56.59 in stock
7 used from $42.13
Features
- POWERFUL VOICE AMPLIFIER: Talk through the coiled-cord handheld microphone and be heard loud & clear with the Pyle 50W Bullhorn Megaphone Speaker. With a sound projection range of over 1,200 yards and a sound level of 105 decibels, you can effectively get everyone's attention!
- WIRELESS AUDIO ON-THE-GO: With its portable battery operated design, this compact handheld megaphone speaker is ideal for cheerleading, indoor outdoor sport, safety drills, and crowd control. Plus, never worry about running empty with its rechargeable battery feature
- FUNCTIONAL SOUND DEVICE: This lightweight and handy megaphone can not only be used as a voice amplifier but also serves as an emergency tool with its integrated siren alarm function. Features a built-in AUX input to connect your MP3 & similar devices
- LED LIGHTS FEATURE: Comes equipped with LED lights which make it convenient to be used for crowd control and traffic direction especially during the night or in dark locations
- COMPACT DESIGN: This compact & portable PA speaker features a wide bell diameter for extended projection. It also features an ergonomic & lightweight pistol grip chassis for better feel and handling. Plus, use the detachable handheld mic for your convenience
ThunderPower Extra Loud Megaphone 450-35 Watts of Power
ThunderPower Extra Loud Megaphone 450-35 Watts of Power
Features
- PROJECT YOUR VOICE: ThunderPower Megaphone speaker ideal for voice projection during outdoor gatherings and crowd control
- 3 MODES: Choose between 3 megaphone modes: talk, whistle, and siren alarm, in order to hold your audience's attention
- AMPLE RANGE: Enjoy ample 1200-yard range as the megaphone uses a wide bell diameter for extended projection
- EASY TO USE: Single-button control provides an easy-to-use and convenient user operation
- BATTERY-OPERATED: Megaphone system requires 8 C batteries that are not included; Max power: 35 watts
Pyle Megaphone Speaker PA Bullhorn – with Built-in Siren 50 Watts Adjustable Volume Control & Record Function – Ideal for Football, Baseball, Cheerleading Fans, Coaches or for Safety Drills PMP58U
Pyle Megaphone Speaker PA Bullhorn - with Built-in Siren 50 Watts Adjustable Volume Control & Record Function - Ideal for Football, Baseball, Cheerleading Fans, Coaches or for Safety Drills PMP58U
$49.24 in stock
4 used from $14.07
Features
- CLEAR SOUND & LONG RANGE: Be heard up to 1200 feet away with this professional megaphone. Amplify your voice with clarity. This bullhorn speaker produces powerful 50 watt sound
- ERGONOMIC GRIP & LIGHT-WEIGHT: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. It comes with handheld mic & works with just 8 C batteries. Bring it with to your next occasion
- MULTI-FUNCTION: This bullhorn megaphone has 3.5mm aux input has talk, siren and volume control options has been utilized by indoor & outdoor sports activities, police, firefighters, cheerleading, schools or director
- SIREN ALARM MODE: Amplifies an emergency tone with adjustable volume control through the megaphone speaker. Pyle PMP58U megaphone bullhorn needs 8 C batteries & features a built-in siren so you can get everyone’s attention fast. Be heard loud and clear
- DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out. Whether on the athletic field, road or in emergency response situations
Pyle Megaphone Speaker PA Bullhorn – with Built-in Siren Rechargeable Battery, Auxiliary Jack 40 Watts & 1000 Yard Range – Record Function Ideal for Football, Baseball, Basketball Cheerleading Fans and Coaches or for Safety Drills – PMP48IR
Pyle Megaphone Speaker PA Bullhorn - with Built-in Siren Rechargeable Battery, Auxiliary Jack 40 Watts & 1000 Yard Range - Record Function Ideal for Football, Baseball, Basketball Cheerleading Fans and Coaches or for Safety Drills - PMP48IR
2 used from $20.09
Features
- CLEAR SOUND & LONG RANGE: Be heard up to 1000 feet away with this professional megaphone. Amplify your voice with clarity. This bullhorn speaker produces powerful 40 watt sound can cover 1000 yards
- ERGONOMIC GRIP & LIGHT-WEIGHT: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. It comes with handheld mic & works with just 6 D batteries. Bring it with to your next occasion
- MULTI-FUNCTION: This bullhorn megaphone has 3.5mm aux input has talk, siren and volume control options has been utilized by indoor & outdoor sports activities, police, firefighters, cheerleading, schools or director
- SIREN ALARM MODE: Amplifies an emergency tone w/ adjustable vol control through the megaphone speaker. Pyle PMP48IR megaphone bullhorn needs 6 D batteries & features a built-in siren so you can get everyone’s attention fast. Be heard loud and clear
- DETACHABLE HANDHELD MIC: This compact director megaphone can hold the microphone up to your mouth and point the megaphone at any direction allowing for use both indoors and out. Whether on the athletic field, road or in emergency response situations
In this article, we have reviewed the best loudest megaphone for our readers. We hope you get the perfect loudest megaphone from our above list. If you didn’t find your desired one then check out MyMealivos Megaphone with Siren Bullhorn 50 Watt – Bullhorn Speaker with Detachable Microphone, Portable Lightweight Strap & 3.5mm Aux Input – Professional Outdoor Voice for Police & Cheerleading, one of the most sold items in the market.