Speak with confidence. The Audio-Technica PRO44 Boundary Microphone ensures clarity for a wide range of spoken word applications. From boardrooms to podiums youll get accurate detail from a high-performance condenser element. Everyone will be paying attention to you. More of the audio you want. The PRO44 ensures minimal background noise with a unidirectional cardioid polar pattern. Place on your conference table or lectern and give your speech without any interruptions. Superior performance. Always. Alongside crystal-clear sound the PRO44 offers durability and a long lifespan. Its low-profile design ensures minimum visibility whilst being rugged enough for frequent use. Youll have a microphone that can stand the test of time. Features Ideal for conference table podiums and lecterns thanks to a low visibility design Outstanding sound quality with a condenser microphone element Excellent pickup of audio source from a half-space unidirectional polar pattern Superior performance from a low mass diaphragm Low profile for minimum visibility No need for external power modules thanks to self-contained electronics Highly rugged and durable design perfect for frequent use Pack away with ease – fully detachable cable Specifications Element: Fixed-charge back plate permanently polarized condenser Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface) Frequency Response: 70-16000 Hz Open Circuit Sensitivity: -25 dB (56.2 mV) re 1V at 1 Pa Impedance: 100 ohms Maximum Input Sound Level: 114 dB SPL 1 kHz at 1 T.H.D. Dynamic Range (typical):86 dB 1 kHz at Max SPL Signal-to-Noise Ratio: 66 dB 1 kHz at 1 Pa Phantom Power Requirements: 9-52V 2 mA typical Output Connector: TB3M-type Cable: 25 (7.6 m) long with TA3F and XLRM-type connectors Weight: 2.4 oz (67 g) Dimensions: 2.87″ (73.0 mm) maximum width 3.56″ (90.5 mm) maximum length 0.59″ (15.0 mm) height Product Code: PRO44