This item is usually Drop Shipped from the MFR/Distributor within 7-10 business days (subject to availability). Your order will be charged at the time of placing the order with the vendor. Item is non-cancelable and non-returnable.
International Orders*The Shure Beta 181/BI Compact Side-Address Instrument Microphone is a durable, small diaphragm, electret condenser microphone with an interchangeable capsule design. The Beta 181/BI ships with a bi-directional (figure 8) capsule which yields a matched pickup on either side of the diaphragm. The microphone features a wide frequency response and rugged build, ideal for the stage and recording studio. Its high SPL handling makes it well suited for capturing amplifier cabinets, drums, percussion, piano and more.
| Transducer | Electret Condenser |
| Polar Pattern | Bi-directional |
| Frequency Response | 20Hz to 20kHz |
| Dynamic Range (Typical) |
2500 Ω load: 133.5dB
1000 Ω load: 130.5dB |
| Signal-to-Noise Ratio | 71.0dB |
| Maximum Input Sound Level |
2500 Ω load: 156dB
1000 Ω load: 153.5dB |
| Power Requirements |
11-52 V DC phantom power (IEC-61938)
2.4 mA, maximum |
| Output Impedance | 110 Ohms |
| Output Connectors | 3-pin XLR |
| Dimensions |
4.90 x 1.36" (124.46 x 34.54mm)
Diameter: 0.80" (20.32mm) |
| Weight | 145g (5.1 oz) |