Miniature Boundary Microphone

The PRO 42’s low-profile design assures inconspicuous appearance for surface-mount use in boardroom, school, government, house of worship and other installed applications. Designed for sound reinforcement, broadcasting and recording applications, the PRO 42 brings crisp, intelligible audio reproduction to the podium, stage, conference table and beyond. With a wide-range condenser element and low-mass diaphragm for superior performance, the microphone is equipped with self-contained electronics, eliminating the need for external power modules.

ELEMENT: Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN: Half-cardioid (cardioid in hemisphere above mounting surface)
FREQUENCY RESPONSE: 70-14,000 Hz
OPEN CIRCUIT SENSITIVITY: -38 dB (12.5 mV) re 1V at 1 Pa
IMPEDANCE: 100 ohms
MAXIMUM INPUT SOUND LEVEL: 134 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical): 105 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO: 65 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS: 9-52V DC, 2 mA typical
WEIGHT: 1.2 oz (35 g)
DIMENSIONS: 1.44" (36.6 mm) maximum width,
2.14" (54.3 mm) maximum length,
0.61" (15.5 mm) height
OUTPUT CONNECTOR: 3-pin XLRM-type on cable
CABLE: 25' (7.6 m) long, permanently attached