The HamiltonBuhl® PA-25HM Wired Head-Worn Microphone is a lightweight, ergonomic headset-style microphone designed for clear, hands-free voice amplification with HamiltonBuhl Amp-Up systems. Engineered for comfort and stability, this head-worn mic ensures consistent voice pickup and clear speech transmission—ideal for educators, presenters, and instructors.
Perfect as a replacement or upgrade microphone, the PA-25HM provides reliable wired performance with no signal dropouts, making it an excellent choice for classrooms, training sessions, and active teaching environments.
🎤 Key Features
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Head-worn microphone design: Secure, comfortable fit for hands-free use.
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Optimized for voice clarity: Delivers clear speech for teaching and presentations.
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Wired reliability: Eliminates interference and signal loss common with wireless systems.
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Adjustable boom arm: Positions microphone close to the mouth for optimal sound capture.
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Lightweight ergonomic frame: Comfortable for extended wear during long sessions.
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Secure over-ear fit: Stays in place during movement and active instruction.
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Plug-and-play setup: No configuration required—connect and use instantly.
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Durable classroom construction: Built for repeated daily use in educational environments.
🔊 Audio Performance
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Microphone type: Electret condenser headset microphone
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Pickup pattern: Directional (voice-focused capture)
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Consistent audio level: Maintains steady volume regardless of head movement
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Reduced background noise: Focuses on speaker’s voice
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Low handling noise: Designed for active teaching environments
🎓 Educational Benefits
- Supports clear, consistent classroom communication
- Reduces teacher vocal strain
- Allows full mobility while teaching
- Improves student comprehension and engagement
- Ideal for dynamic and interactive instruction
🏫 Ideal For
- Classroom instruction and lectures
- Teachers and educators using voice amplifiers
- Training sessions and workshops
- Public speaking and presentations
- Fitness instructors and active environments
- Replacement or backup microphone for Amp-Up systems
🔌 Compatibility
Designed specifically for HamiltonBuhl Amp-Up voice amplification systems:
- PA-25W Amp-Up Personal Voice Amplifier
- PA-25E Amp-Up Mini Voice Amplifier
📦 What’s Included
- 1 × Wired head-worn microphone (PA-25HM)
- Integrated cable with connector
- Adjustable headset frame with boom mic
📊 Technical Specifications
| Feature |
Details |
| Product Type |
Head-worn headset microphone |
| Model |
PA-25HM |
| Microphone Type |
Electret condenser |
| Pickup Pattern |
Directional (voice-focused) |
| Connection Type |
Wired (3.5mm compatible with Amp-Up systems) |
| Mounting Style |
Over-ear head-worn design |
| Boom Arm |
Adjustable for positioning near mouth |
| Use Case |
Voice amplification, teaching, presentations |
| Color |
Black |
| Warranty |
1-Year Manufacturer Limited Warranty |
📚 Why Educators Choose the PA-25HM
- More stable and consistent than lapel microphones
- Ideal for active teaching and movement
- Reliable wired connection with no signal interference
- Comfortable for extended classroom use
- Easy replacement for existing Amp-Up systems
⚠️ Important Notes
- Designed specifically for Amp-Up systems (not universal)
- Wired connection required (no wireless capability)
- Amplifier unit sold separately
Stay clear, hands-free, and in control. The HamiltonBuhl® PA-25HM Head-Worn Microphone delivers reliable, high-quality voice amplification—perfect for educators who need clarity and mobility in every lesson.