The TR-40A from Audix is a 1/4-inch, pre-polarized condenser microphone with an omnidirectional capsule that exhibits a phase coherent response.
The microphone is ideally suited for group vocals, choirs, pianos, room ambience and can also be used as a "cost effective" measurement or calibration microphone.
| Transducer | Pre-polarized condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20Hz to 20kHz, +1/-3dB |
| Dynamic Range (Typical) | 102dB |
| Signal-to-Noise Ratio | 66dB, A-weighted |
| Maximum Input Sound Level | 128dB |
| Power Requirements | 9V to 52V phantom power |
| Output Impedance | 200Ω |
| Output Connectors | XLR-3M |
| Pad | No |
| Low Frequency Roll-Off | No |
| Dimensions | 7-5/8" (193mm) long |
| Weight | 4.7oz microphone (132g) |