Overview
With robust construction and unobtrusive appearance, the PRO 45 and PRO 45W offer versatile sound-reinforcement solutions for speech, theater, orchestra and choir sound reinforcement and recording. The microphones’ high-SPL handling is perfect for suspension over choirs and orchestras. Available in two colors: Black (PRO 45); white (PRO 45W).
Features

Hi-SPL handling is ideal for suspension over choirs and orchestras
Wide-range condenser element with low-mass diaphragm for superior performance
Self-contained electronics eliminate need for external power modules
Flat, smooth frequency response
25' (7.6 m) cable permanently attached between microphone and XLRM-type connector
Also available in black as PRO 45

Specifications

ELEMENT
Fixed-charge back plate, permanently polarized condenser

POLAR PATTERN
Cardioid

FREQUENCY RESPONSE
70-16,000 Hz

OPEN CIRCUIT SENSITIVITY
-37 dB (14.1 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)
106 dB, 1 kHz at Max SPL

SIGNAL-TO-NOISE RATIO
66 dB, 1 kHz at 1 Pa

PHANTOM POWER REQUIREMENTS
9-52V DC, 2 mA typical

WEIGHT
0.5 oz (15 g)

DIMENSIONS
2.24" (56.9 mm) long,
0.47" (12.0 mm) head diameter

OUTPUT CONNECTOR
3-pin XLRM-type on cable

CABLE
25' (7.6 m) long, permanently attached

ACCESSORIES FURNISHED
AT8146 windscreen; steel hanger

AUDIO-TECHNICA CASE STYLE
M21