The HamiltonBuhl® PA-25EM Amp-Up Mini Personal Voice Amplifier is a compact, portable wireless voice amplification system designed to enhance speech clarity in classrooms, presentations, and group settings. Featuring a wireless headset microphone, built-in speaker, and rechargeable battery, this lightweight system helps educators and presenters project their voice clearly without strain.
Ideal for classrooms, training environments, tours, and public speaking, the PA-25EM delivers clear, powerful audio in a small, wearable design—perfect for all-day use in dynamic learning environments.
📢 Key Features
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Portable voice amplification system: Compact design delivers powerful sound in classrooms and group settings.
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Wireless headset microphone included: Provides hands-free operation and freedom of movement.
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25-watt output power: Amplifies voice clearly for small to medium-sized rooms.
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Rechargeable lithium battery: Long-lasting performance for extended classroom or presentation use.
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Lightweight, wearable design: Includes belt clip or strap for comfortable all-day use.
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Multiple input options: Supports microphone input, AUX input, USB flash drive, and TF (microSD) card playback.
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Built-in MP3 player: Play audio files directly from USB or TF card.
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Voice recording capability: Record audio directly to removable storage.
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Simple controls: Easy-to-use interface for volume, playback, and recording.
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Durable classroom construction: Designed for daily use in education environments.
🔊 Audio Performance
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Output power: 25 watts for clear, room-filling sound
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Speaker type: Built-in high-efficiency speaker
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Wireless range: Up to approximately 50–100 feet (environment dependent)
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Low distortion amplification: Ensures clear speech reproduction
🎤 Microphone & Connectivity
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Wireless headset microphone: Comfortable, adjustable design for extended wear
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Wireless transmission: Stable signal with minimal interference
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Auxiliary input: Connect external audio devices (phones, tablets, laptops)
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USB & TF card support: Play pre-recorded lessons or audio files
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Recording function: Capture lectures, lessons, or presentations
🔋 Battery & Power
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Battery type: Built-in rechargeable lithium-ion battery
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Battery life: Up to 8–12 hours (usage dependent)
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Charging method: USB charging cable included
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Portable operation: No external power required during use
🎓 Educational Benefits
- Reduces teacher vocal strain during long instructional periods
- Improves student comprehension and classroom engagement
- Supports clear communication in large or noisy environments
- Enhances presentations, lectures, and guided instruction
- Useful for ESL, special education, and inclusive classrooms
🏫 Ideal For
- Classrooms and lecture environments
- Teachers, instructors, and presenters
- Training sessions and workshops
- Tour guides and outdoor instruction
- Fitness instructors and group leaders
- Assemblies and small events
🔌 Device Compatibility
- Smartphones and tablets (via AUX input)
- Chromebooks, laptops, and desktop computers
- USB flash drives (MP3 playback)
- TF (microSD) cards for audio playback and recording
📦 What’s Included
- PA-25EM portable voice amplifier
- Wireless headset microphone
- Rechargeable battery (built-in)
- USB charging cable
- Auxiliary cable
- Waistband strap or belt clip
- User guide
📊 Technical Specifications
| Feature |
Details |
| Product Type |
Personal voice amplifier system |
| Model |
PA-25EM |
| Output Power |
25W |
| Microphone Type |
Wireless headset microphone |
| Wireless Range |
Up to ~50–100 ft |
| Inputs |
Mic input, AUX input |
| Media Playback |
USB flash drive, TF (microSD) card |
| Recording Function |
Yes (to USB/TF card) |
| Battery Type |
Rechargeable lithium-ion |
| Battery Life |
Up to 8–12 hours |
| Charging Method |
USB charging |
| Design |
Portable, wearable amplifier with belt clip/strap |
| Warranty |
1-Year Manufacturer Limited Warranty |
📚 Why Educators Choose the PA-25EM
- Improves classroom communication without raising voice
- Portable and easy to use across multiple classrooms
- Supports modern teaching environments and flexible instruction
- Reliable solution for voice amplification and audio playback
- Cost-effective alternative to full PA systems
⚠️ Important Notes
- Wireless range may vary based on environment and interference
- Charging required before first use
- USB/TF storage devices not included
Make every word heard. The HamiltonBuhl® PA-25EM Amp-Up Mini Voice Amplifier delivers clear, reliable sound for educators and presenters—helping you communicate effectively in any environment.