AKG HC644 MD Lapel Microphone
The AKG HC644 MD is a lightweight, discreet lapel condenser microphone built for capturing clean dialogue and voiceover in studio and location recording sessions. At just 0.07 lbs, this back-electret design sits comfortably on talent during long takes without fatigue, while its sweat-resistant construction handles the demands of close-proximity recording in varied environments. The cardioid polar pattern isolates the wearer’s voice effectively, rejecting ambient noise from the sides and rear—critical for maintaining dialogue clarity during overdubs and ADR work.
Recording Performance
Delivering clear, intelligible speech with a 100–15,000 Hz frequency response, the HC644 MD captures vocal detail while rolling off rumble and extreme highs that add no value to dialogue tracks. The 60 dBA signal-to-noise ratio and 34 dBA equivalent noise floor ensure clean audio even when recording in less-than-ideal acoustic spaces, while a maximum SPL of 135 dB handles raised voices and peak transients without distortion—essential for natural performance preservation in editing.
Integration & Workflow
The Microdot connector provides a secure, compact interface with standard AKG wireless packs and adapters, minimizing cable clutter and enabling quick channel swaps during multi-talent recording sessions. Its sweat-resistant design and wide operating temperature range (–20°C to +60°C) make it reliable across studio, stage, and remote location work without performance degradation.
Key Features
- Back-electret condenser type
- Cardioid polar pattern for directional pickup
- Sensitivity: 20 mV/Pa (9V/18 kOhms)
- Frequency response: 100–15,000 Hz (±3 dB)
- Electrical impedance: 200 Ohms
- Recommended load impedance: 2,000 Ohms
- Equivalent noise level: 34 dBA
- Signal-to-noise ratio: 60 dBA (1 Pa)
- Maximum SPL: 135 dB (1% THD)
- Operating temperature range: –20°C to +60°C (14°F–140°F)
- Microdot connector
- Includes MDA1 adapter, windscreen, and carrying case
The HC644 MD combines proven AKG engineering with practical accessories and robust specifications for dependable dialogue capture in professional recording and production applications.
