The HamiltonBuhl® PA-25W Amp-Up! Personal Wireless Voice Amplifier is a powerful, portable voice amplification system designed to enhance speech clarity in classrooms, training environments, and group presentations. Featuring a wireless headset microphone, 25-watt output speaker, and rechargeable battery, this system allows educators and presenters to project their voice clearly without strain.

Built for mobility and ease of use, the PA-25W delivers clear, room-filling sound while allowing full freedom of movement—making it an essential tool for modern classrooms, lecture halls, and active learning environments.

📢 Key Features

• 25-watt portable amplifier: Delivers powerful, clear sound for classrooms and medium-sized spaces.
• Wireless headset microphone included: Hands-free operation with freedom to move around the room.
• Rechargeable lithium battery: Long-lasting performance for all-day teaching and presentations.
• Lightweight and wearable design: Includes belt clip and shoulder strap for comfortable use.
• Multiple input options: Supports microphone input, AUX input, USB flash drive, and TF (microSD) card playback.
• Built-in MP3 player: Play audio files directly from USB or TF card.
• Voice recording capability: Record lessons, lectures, or presentations directly to storage devices.
• Simple control panel: Easy-to-use controls for volume, playback, and recording.
• Durable classroom construction: Designed for daily use in educational environments.
• Portable all-in-one system: No external speakers or equipment required.

🔊 Audio Performance

• Output power: 25 watts RMS for clear, amplified speech
• Speaker system: Integrated full-range speaker for voice clarity
• Wireless range: Up to approximately 100 feet (line-of-sight, environment dependent)
• Low distortion amplification: Ensures natural, intelligible speech reproduction
• Wide coverage: Suitable for classrooms, lecture halls, and group instruction

🎤 Microphone & Wireless System

• Wireless headset microphone: Adjustable and comfortable for extended wear
• Hands-free teaching: Allows movement while maintaining consistent audio levels
• Stable wireless transmission: Minimizes dropouts and interference
• Optional wired mic compatibility: Supports compatible lapel or headset microphones (sold separately)

🔋 Battery & Power

• Battery type: Built-in rechargeable lithium-ion battery
• Battery life: Up to 8–12 hours depending on usage
• Charging method: USB charging cable included
• Portable operation: No external power required during use

🎵 Media Playback & Recording

• USB flash drive support: Play MP3 audio files
• TF (microSD) card slot: Playback and recording functionality
• Built-in recorder: Capture lessons, presentations, or student performances
• AUX input: Connect phones, tablets, or computers for external audio

🎓 Educational Benefits

• Reduces teacher vocal strain during long instructional periods
• Improves student comprehension and classroom engagement
• Supports clear communication in large or noisy classrooms
• Enhances presentations, lectures, and group instruction
• Useful for ESL, special education, and inclusive learning environments

🏫 Ideal For

• Classroom teaching and instruction
• Lectures and presentations
• Training sessions and workshops
• Tour guides and field 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 for MP3 playback
• TF (microSD) cards for playback and recording
• Compatible with external wired microphones (3.5 mm)

📦 What’s Included

• PA-25W voice amplifier unit
• Wireless headset microphone system
• Rechargeable battery (built-in)
• USB charging cable
• Auxiliary cable
• Shoulder strap and/or belt clip
• User guide

📊 Technical Specifications

📚 Why Educators Choose the PA-25W

• Powerful yet portable alternative to traditional PA systems
• Improves classroom clarity without raising voice
• Flexible audio playback and recording features
• Reliable wireless microphone system
• Designed specifically for education environments

⚠️ Important Notes

• Wireless performance may vary based on environment
• USB/TF storage devices not included
• Charge fully before first use

Project your voice with confidence. The HamiltonBuhl® PA-25W Amp-Up! Personal Voice Amplifier ensures every student hears every word—clearly, comfortably, and consistently.