AKG HC 644 MD

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AKG HC 644 MD

AKG

HC 644 MD

4.8 Expert Rating

Product Info

Article Number: 428821
Brand: AKG
Model: HC 644 MD
Price: $196.90

* Prices may vary. Check retailer for current pricing and availability.

The AKG HC 644 MD is a solid, purpose-built headset mic for fitness instructors and presenters who need clear voice reproduction and minimal feedback. It's surprisingly light and comfortable, and the treble boost really helps your voice cut through, making it a great choice for those who need to be heard. Don't expect miracles – it's designed for a specific job, and it does it well.

Product Description

  • AKG HC 644 MD
  • Condenser headset especially for fitness trainers
  • Slight frequency increase in the treble range for good speech intelligibility
  • Very light and low feedback
  • Elastic suspension for the suppression of background noise
  • Characteristic: Cardioid
  • Frequency range: 20 - 20000 Hz
  • Boundary sound pressure level: 135 dB
  • Impedance: 5 kOhm
  • Transmission factor: 20 mV / Pa
  • Colour: Black
  • Removable 3-pin TQG mini XLR connector fits AKG wireless systems
  • Suitable adapters for other systems available (not included)
PROS
  • • Lightweight design minimizes fatigue during extended training sessions
  • • Cardioid pattern effectively rejects background noise and feedback
  • • Treble boost enhances speech clarity for excellent vocal intelligibility
  • • TQG mini XLR connector offers compatibility with AKG wireless systems
CONS
  • • Limited versatility outside of fitness/presentation applications
  • • 5 kOhm impedance may require a preamp for optimal gain
  • • Plastic construction feels less robust than higher-end headset mics

Product Video

Key Features

Mic Type Condenser
Polar Pattern Cardioid
Frequency Range 20 - 20000 Hz
Connector TQG mini XLR
Weight Approximately 70g

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Frequently Asked Questions

While it's technically capable, the frequency response isn't tailored for singing; it’s designed primarily for spoken word and will likely sound thin.
No, it utilizes AKG's TQG mini XLR connector; adapters are available, but may impact signal quality.
The elastic suspension does a decent job, but more expensive models often incorporate more sophisticated noise-canceling technology.

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