| Element | Fixed-charge back plate, permanently polarized condenser |
|---|---|
| Polar Pattern | Omnidirectional |
| Frequency Response | 20 – 20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 12 dB/octave (wired only) |
| Open Circuit Sensitivity |
Phantom: -43 dB (7.0 mV) re 1V at 1 Pa Battery: -46 dB (5.0 mV) re 1V at 1 Pa |
| Output Impedance |
Phantom: 200 ohms Battery: 250 ohms (wired only) |
| Maximum Input Sound Level |
Phantom: 138 dB SPL, 1 kHz at 1% T.H.D. Battery: 116 dB SPL, 1 kHz at 1% T.H.D. |
| Dynamic Range |
Phantom: 108 dB, 1 kHz at Max SPL Battery: 86 dB, 1 kHz at Max SPL (wired only) |
| Signal-to-Noise Ratio | 64 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11–52V DC, 2 mA typical (wired only) |
| Battery Type | 1.5V AA/UM3 |
| Battery Current/Life | 0.4 mA / 1200 hours typical (alkaline) |
| Switches | Flat, roll-off (wired only) |
| Weight (Microphone) | 0.02 oz (0.5 g) |
| Weight (Power Module) | 3.6 oz (102 g) (wired only) |
| Cable | 9.8' (3.0 m) permanently attached to microphone; 2.0 mm (0.08") diameter; 2-conductor, shielded (termination dependent) |
| Dimensions (Microphone) | 16.0 mm (0.63") long; 5.0 mm (0.20") diameter |
| Dimensions (Power Module) | 145.0 mm (5.71") long; 21.0 mm (0.83") diameter |
| Output Connector (Power Module) | Integral 3-pin XLRM-type (wired only) |
| Accessories Included | AT8537 power module; AT8439 cable clip; clothing clip base; viper clip base; magnet clip base and plate with lanyard; three single mic holders; two double mic holders; two element covers; two windscreens; battery (wired only); protective carrying case |
| Audio-Technica Case Style | M29 |
