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												| 
												BP893-TH Omnidirectional 
												Condenser Headworn Microphone, 
												less power module. 1.4 m (55") 
												permanently attached miniature 
												cable, unterminated. Includes 
												AT8440 cable clip, two AT8157-TH 
												windscreens, two AT8156-TH 
												element covers, a moisture 
												guard, and a carrying case. See
												
												
												BP893-TH for more 
												details. |  
									
										
											
												| 
													
													
														| Element | Fixed-charge back plate 
														permanently polarized 
														condenser |  
														| Polar Pattern | Omnidirectional |  
														| Frequency Response | 20 - 20,000 Hz |  
														| Open Circuit Sensitivity | –34 dB (19.9 mV) re 1V at 
														1 Pa 
 |  
														| Maximum Input Sound 
														Level | 114 dB SPL, 1 
														kHz at 1% T.H.D. |  
														| Signal to Noise Ratio | 68 dB, 1 
														kHz at 1 Pa |  
														| Current Consumption | 0.1 mA typical at 5V 
														(wireless only) |  
														| Voltage Range | 2.5-11V (wireless only) |  
														| Weight | Microphone, boom & 
														earpiece: 2.0 g (0.07 
														oz) |  
														| Dimensions | Microphone: 8.1 mm 
														(0.32") long, 2.6 mm 
														(0.10") diameter Boom: 26.4 mm (1.04") 
														long, 1.07 mm (0.04") 
														diameter
 |  
														| Output Connector | Integral 3-pin XLRM-type |  
														| Cable | 1.4 m (55"), 
														unterminated |  
														| Accessories | AT8440 cable clip; two 
														AT8157-TH windscreens; 
														two AT8156-TH element 
														covers; moisture guard; 
														carrying case |  |  |