The Audio-Technica Pro 70 is a cardioid lavalier microphone designed for vocal or instrument capturing in recording or sound reinforcement applications. The frequency response favors the mid-range frequencies of instruments and vocals while minimizing noise registering at high and low frequencies.
The cardioid polar pattern is effective in minimizing pickup at the off-axis sections of the microphone capsule. The result is improved signal before feedback response and minimal ambiance pickup. A low frequency roll-off switch further reduces low frequency noise due to hum, wind etc. The provided UM3 power supply provides phantom power with a single 1.5V AA battery or external phantom power source. The UM3 provides a standard 3-pin XLR output connection to mixers, preamplifiers, cameras etc.
| Transducer | Condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 100Hz to 14kHz |
| Dynamic Range (Typical) | 96dB, 1kHz @ Max. SPL |
| Signal-to-Noise Ratio | 67dB, 1kHz @ 1 Pa |
| Maximum Input Sound Level | 123dB SPL, 1kHz @ 1% T.H.D. |
| Power Requirements | 11 - 52V, 2mA typical |
| Output Impedance | 200 ohms |
| Output Connectors | 3-pin XLR male |
| Pad | No |
| Low Frequency Roll-Off | 80Hz, 8dB per octave |
| Dimensions | Cable Length - 6' (1.8m) |
| Weight | 0.3 oz (8 g) |