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  • Microphone Manufacturers Offering Megaphones with MP3 & Mic
HomeProductsPA SystemsMegaphonesMicrophone Manufacturers Offering Megaphones with MP3 & Mic

Microphone Manufacturers Offering Megaphones with MP3 & Mic

OPM-655S+

Top Picks from Microphone Manufacturers for Smart Megaphones


Looking for a versatile and reliable voice amplification solution for your team or organization?  Discover the OPM-655S+, a top-tier smart megaphone developed by trusted microphone manufacturers with decades of industry expertise. This optimized voice amplifier is designed to meet the demands of public events, outdoor instruction, crowd control, and promotional use.


The OPM-655S+ features powerful voice amplification with a patented close-range microphone design that ensures consistent and clear audio even while walking. Its built-in 60-second voice recorder allows for looped playback—ideal for repetitive messaging in promotional campaigns or emergency situations. The device also supports MP3 playback via USB, and 3.5mm Line-in input, enabling seamless connection with smartphones, tablets, or other audio sources.


One of the key advantages is its multi-input mixing capability, allowing users to combine microphone, USB, and Line-in sources for dynamic, real-time communication. Whether you need to speak over background music or make announcements during a live event, the OPM-655S+ delivers professional-grade sound flexibility.


For added versatility, the megaphone supports low-latency Bluetooth audio input when paired with the BTM-210R receiver, making it fully compatible with both iOS and Android devices. Its modular design ensures that features can be upgraded or customized as needed, giving buyers long-term value and adaptability.


With user-friendly controls—including volume adjustment, MP3 track navigation, and LED indicators for recording and playback status—the OPM-655S+ is built for quick deployment and intuitive use. An integrated siren function is also included, making it perfect for safety drills and emergency crowd management.


If you're sourcing cutting-edge megaphone solutions from professional Microphone Manufacturers, the OPM-655S+ stands out as a top pick. Choose a communication tool that combines functionality, durability, and innovation for your next project or public event.

OPM-655s+ Smart Megaphone


OPM-655+ Smartmega phone

Smart Megaphone Advantages

1.  Detachable module to upgrade megaphone functions

2. 80 seconds voice recording: High-quality and clear recording, which can be played in a loop

3. Play MP3 files via USB and line-in

4. Multi-functional with volume control: Multiple signal input from USB, line-in, microphone 

     and can be mixed and play

5. PA systems extend your range: From bustling crowds to muted settings, CAROL has a PA system 

     for every environment. A sound investment that will stand the test of time, these versatile 

     systems  offer superior quality and well-rounded performance.

6. Able to work with 3C products and smartphone by using BTH-830R low-latency Bluetooth 

     Audio Pixix via line-in

7.  Applicable scenarios including lifeguard, procession, market, sport event, etc.


Official Website Get Quotation
Smart Megaphone Specifications                              
  1. Model Number: OPM-655S+
  2. Power Output: 25W±10% (Max) 15W±10% (Rated)
  3. Operation Range: Up to 450m
  4. Battery: Size AA x 10pcs
  5. Battery Life: Voice Up to 6 Hours 
  6. Functions: Mic, Recording 80 secs, Siren, USB, ø3.5mm Line-in Jack 
  7. Dimension: ø203 x 347.3 mm
  8. Weight (without batteries): 1,050g

Difficulty maintaining clear voice output in noisy or mobile environments
OPM-655S+ is engineered by professional microphone manufacturers with a patented close-range microphone that captures voice clearly even while walking. By maintaining a 0–0.5 cm distance from the mouth, users benefit from consistent, noise-reduced amplification—ideal for outdoor teaching, crowd guidance, and live demonstrations. Its intelligent design ensures your message is heard loud and clear in any condition.

Lack of multi-input and wireless connectivity in traditional megaphones
Unlike standard models, the OPM-655S+ smart megaphone supports USB, 3.5mm Line-in, and microphone input, with simultaneous mixing capability. It also integrates seamlessly with smartphones and tablets via the optional BTM-210R Bluetooth receiver. Designed by top-tier Microphone Manufacturers, this feature-rich system allows speech, music, and pre-recorded audio to be combined—ideal for modern public address and promotional use.




  FAQ

1. What makes the OPM-655S+ different from regular megaphones ?
The OPM-655S+ is a smart megaphone developed by leading microphone manufacturers, offering advanced features like 60-second voice recording with looped playback, USB/Line-in/BT audio input, and real-time signal mixing. Its modular design allows upgrades like Bluetooth connectivity, making it a multifunctional device for teaching, promotion, and crowd control.


2. Can I use multiple audio sources at the same time, such as a mic and background music ?
Yes. The OPM-655S+ supports simultaneous input from USB, Line-in, and microphone sources, allowing real-time audio mixing. With the optional BTM-210R Bluetooth receiver, it can also play wireless audio from iOS or Android devices—perfect for blending speech with background music during live events or mobile presentations.

3. Is the sound still clear while walking or speaking outdoors ?
Absolutely. Designed by professional Microphone Manufacturers, the OPM-655S+ uses a patented close-range microphone that maintains loud, clear audio even while walking or speaking in noisy environments. For best results, keep the mic within 0–0.5 cm of your mouth to ensure consistent sound quality during movement.



 

The OPM-655S+ is a next-generation smart amplifier microphone designed for clear voice projection in dynamic environments such as public events, outdoor instruction, and crowd management. Developed by trusted microphone manufacturers, it features 60-second voice recording with looped playback, MP3 file support via USB, and 3.5mm Line-in for versatile amplifier microphone input. Its modular design allows users to upgrade functionality with low-latency Bluetooth connectivity, while its patented close-range microphone ensures consistent clarity even while walking.


Backed by nearly 50 years of innovation, Carol transforms technical precision into emotionally rich audio experiences. Since 1975, we’ve combined research with human-centered design to create communication tools that move people. Our commitment to bringing science to life has made us a global leader in sound solutions.


Discover how the OPM-655S+ can elevate your voice and your brand—contact us today for pricing and OEM opportunities.



Contact us today to request a quote or start your wholesale order






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