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AKG

HC644 MD

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Head-worn microphone

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This item is currently not available to order online directly from AKG.

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Following up on the legendary performance of the C544 and C555, AKG has created the next generation of head-worn microphone, 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, an exceptional RF shielding, a sweat-resistant design and the ability to fit to all major wireless systems on the market.

Item# 2793H00100

General Specifications

Type Back-electret condenser
Audio frequency bandwidth 20 - 20000 Hz
Equivalent noise level 34 dB-A
Sensitivity 20 mV/Pa
Max. SPL for 1 % THD - 135 dB Yes
Electrical impedance 200 Ohms
Recommended load impedance 2000 Ohms
Self noise 60 mW
Polar Pattern Cardioid

Dimensions

Length 200 mm
Width 130 mm
Height 35 mm
Net Weight 30 g

Audio Output

Contacts 2-pin Microdot

Powering Interface

Voltage 1 to 10 V

Application

Sports / Fitness Yes
Assisted Listening Yes
Sound Reinforcement Yes
Presentation Yes
Retail Yes

Device

Headset Microphone Yes
  • 1 x HC644 MD Head-Worn Microphone
  • 1 x MDA1 AKG Adapter Connector
  • 1 x Windscreen
  • 1 x Carrying Case

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hi, i'm looking for a wireless headset microphone for a 40x20 m2 auditorium (Church). as i do not have good idea about, like which product will perfectly suits for the above mentioned auditorium. would you suggest the product?

Asked by: JohnS
Thank you for your inquiry. Please reach out to the AKG Pro Customer Support at https://www.akg.com/support-contact-pro.html for assistance.
Answered by: Drin at Customer Service
Date published: 2017-08-28
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