Products Information
IRB-20 Bodypack IR Microphone/Transmitter


Feature
2-Channel Infrared Wireless Microphone / Transmitter.The IRB-20 is a hands-free Microphone / Transmitter dedicated to Crystal servo 2-Channel Infrared system.
Easy to attach with mic-clips. Transmitter also has a clip so it can be attached to the belt or other equipment.
Powered by 2- “AA” alkaline or 2-"AA" rechargeable NiMH.
* "AA" rechargeable NiMH battery from other manufactures can be used. But those batteries are NOT able to charge with AMC-3.
Specification
| Microphone element type | Electret Condenser (Attached lapel mic) (Attached lapel mic can be switched to other external mic (e.g. Lavalier-mic) by connecting to external mic-imput jack.) |
|---|---|
| Sub-carrier Frequency (switchable) | 1ch : 2.06MHz 2ch : 2.56MHz |
| Battery life: | High Power Mode : > 8 hours w/ "AA" alkaline batteries Low Power Mode : > 10 hours w/ "AA" alkaline batteries |
| Modulation | FM |
| Frequency Response | 50Hz~10kHz (When using external mic-imput Jack) |
| Maximum Input Sound Pressure Level | 115dB SPL (130dB SPL when mic-gain controlled) |
| Battery Type | DC 2.4V~3V , (b2-rechargeable "AA" NiMH or 2-"AA” alkaline ) |
| Dimensions[mm] | 100 (H) x 64 (W) x 27 (D) (Not including protrusion) |
| Weight Approx | 130g (w/batteries) 40g (Attached lapel mic with sensor) |
| Supplied Accessories | 2-rechargeable "AA" NiMH (ASP-20501) 1-Adjustment driver (Installed in the unit) 1-strap |

