User's Manual

9
BP894x SPECIFICATIONS
Element Fixed-charge back plate, permanently polarized
condenser
Polar Pattern Cardioid
Frequency Response 20-20,000 Hz
Low Frequency Roll-Off 80 Hz, 18 dB/octave (wired only)
Open circuit Sensitivity -47 dB (4.3 mV) re 1V at 1 Pa
Impedance 250 ohms (wired only)
Maximum Input Sound Level 135 dB SPL, 1 kHz at 3% T.H.D.
Dynamic Range (typical) 98 dB, 1 kHz at 3% T.H.D. Max SPL (wired only)
Signal-To-Noise Ratio 57 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11-52V DC, 2 mA typical (wired only)
Switch Flat, roll-off (wired only)
Current Consumption 0.25 mA typical at 5V (wireless only)
Voltage Range 3.5-10V (wireless only)
Weight (Microphone) Microphone, boom & earpiece: 2.0 g (0.07 oz)
Weight (Power Module) 85 g (3.0 oz) (wired only)
Dimensions Microphone: 9.67 mm (0.38") long, 2.6 mm (0.10") diameter
Boom: 98.4 mm (3.87") long, 1.07 mm (0.04") diameter
Dimensions (Power Module) 100.0 mm (3.94") long, 18.9 mm (0.74") diameter (wired
only)
Output Connector (Power Module) Integral 3-pin XLRM-type
Cable Detachable 1.4 m (55") long, 1.6 mm (0.06") diameter, 2-
or 3-conductor shielded cable (termination dependent)
Accessories Furnished BP894x: AT8545 power module (wired only); AT8464x
dual-ear adapter kit;
AT8440 cable clip; AT8163 windscreen; AT8171
windscreen; moisture guard; belt clip (wired only);
carrying case
BP894x-TH: AT8545 power module (wired only);
AT8464x-TH dual-ear adapter kit; AT8440 cable clip;
AT8163-TH windscreen; AT8171-TH windscreen;
moisture guard; belt clip (wired only); carrying case
Audio-Technica Case Style M40