AKG HC644 Head Worn High-Quality Sound for Professional Communication Microphone
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AKG HC644 Head-Worn High-Quality Sound Microphone. Building upon the success of AKG's C544 and C555, the AKG HC644 MD Head-Worn Microphone is well suited for a variety of applications such as corporate speaking, educational presentations, or aerobics. The improved design utilizes a smaller capsule with higher sensitivity and solid RF shielding and is sweat-resistant.
PRODUCT OVERVIEW
Building upon the success of AKG's C544 and C555, the AKG HC644 MD Head-Worn Microphone is well suited for a variety of applications such as corporate speaking, educational presentations, or aerobics. The improved design utilizes a smaller capsule with higher sensitivity, solid RF shielding, and is sweat-resistant. The head-worn mic is well protected against interference caused by the inundation of wireless systems in the low- to mid-price range that are based on 2.4 GHz technology. The AKG HC644 MD ships with an MDA1 AKG adapter connector, a windscreen, and a carrying case.

Stay smart and dry
Following up on the legendary performance of the C544 and C555, AKG has created the next generation of head-worn microphones, the new HC644 MD. This high-performance head-worn condenser microphone is the perfect tool for presenters in the corporate market but also ideal for sport applications like aerobics. More and more wireless systems in the low- to mid-price range are based on 2.4 GHz technology, causing nasty interference with microphones. The new HC644 MD is well protected against those problems. The main improvements of the new version are a smaller capsule design with a higher sensitivity, exceptional RF shielding, a sweat-resistant design, and the ability to fit all major wireless systems on the market.
Key Features
- Studio-Quality Sound: Flat frequency response for natural sound
- High RF Rejection: For safe performance in RF-sensitive environment
- Moisture-Resistant Design: Reliable operation even in extensive use
- Uniform Polar Pattern: Reduces feedback
- Microdot Adapter: Available adapters for most wireless systems
| Product Name | AKG HC644 Head Worn High-Quality Sound for Professional Communication Microphone |
|---|---|
| Weight | 0.029937 |
| Frequency Range (-10 dB) | 20 Hz to 20 kHz |
| Maximum SPL | 115 dB |
| Impedance | RL=2.2 kOhms Vs=2.0 VDC |
| Sensitivity (SPL / 1 W @ 1 m) | 20 mV/Pa |
| Lengt | 2.8 in |
| Max. Power Consumption | ≤ 500 μA |
| Dimensions | 7.9 x 5.1 x 1.4" / 200.0 x 130.0 x 35.0 mm |
| Manufacturer | AKG |
| Color | Black |
| Country of Origin | United States |
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