Overview The AKG 3326H00010 is a boundary layer microphone designed specifically for security and surveillance applications. It captures clear audio from all directions with its hemispherical polar pattern, making it ideal for monitoring conversations or ambient sounds in environments such as restaurants, toll booths, and box offices. The microphone focuses on voice frequencies while minimizing low-frequency noise, ensuring intelligible speech capture in busy or noisy settings. Its rugged design allows for easy mounting in a standard electrical outlet box, and the labeled screw terminal connections simplify installation. Operating on 12 to 48 volts of phantom power, it is compatible with a wide range of professional audio equipment, delivering reliable mic-level output for consistent performance. Key features Hemispherical polar pattern captures audio from all directions, providing comprehensive coverage of the monitored area Frequency response tailored to voice frequencies, reducing interference from low-frequency noise like HVAC systems Phantom power operation between 12 and 48 volts ensures compatibility with most professional audio setups Screw terminal connections with clear labeling make installation straightforward and time-efficient Durable construction designed for commercial environments supports long-term reliability Compact and lightweight design allows for unobtrusive integration into existing security systems Enhanced high-frequency response keeps speech crisp and clear for accurate audio monitoring Key specs Polar pattern: Hemispherical Frequency response: 80 Hz to 20 kHz Phantom power: 12 to 48 volts Output level: Mic-level Weight: 71 grams Dimensions: 43.69 x 70.61 x 115 mm Installation and setup The microphone’s design allows it to be mounted easily into a standard electrical outlet box, making it a practical choice for permanent installations in commercial or public spaces. The labeled screw terminal connections reduce installation time and minimize wiring errors, which is especially valuable in security setups where reliability is critical. Its compact size ensures it remains discreet while providing effective audio coverage. Ideal uses and environments This microphone is well suited to environments where clear voice capture is essential, such as security monitoring in restaurants, toll booths, box offices, and other public or commercial spaces. Its ability to reduce low-frequency noise and focus on speech makes it a strong choice for surveillance systems that require accurate and intelligible audio in busy or noisy conditions. The rugged build supports continuous use in demanding settings, ensuring dependable performance over time.