The Lectrosonics IFB-R1a is a frequency-agile UHF wireless IFB beltpack monitoring receiver, housed in a durable slim-profile case, and capable of accessing 256 frequencies available from a selection of factory-programmed frequency blocks.
The IFB-R1a is equipped with an internal microprocessor, allowing for very reliable reception and a set of 5 programmable setup memories, a multi-function control button, and a tricolor LED indicator.
The IFB-R1a is designed for professional use in broadcast, motion picture, theater, and stage applications where extended operating range and audio clarity are essential.
Note! For system compatibility, the component's frequency MUST match your existing system/component frequency.
| Transmitter Type | Not Applicable |
| Receiver Type | FM Modulation with Crystal-Controlled Phase Locked Loop |
| RF Frequency Range |
537.6 - 608MHz 614 - 793.5MHz 1 Please Note:In 9 factory-ready blocks with 256 frequencies per block and 26MHz wide band. close |
| Transmit Power | Not Applicable |
| Microphone Input | No |
| Antenna Type | Headphone Cable |
| Signal-to-Noise Ratio | 95dB, A-weighted |
| Local Headset Output | 1Vrms into 50 Ohms, min. |
| Frequency Response | 100Hz - 10kHz, +/-1dB |
| Power Requirements |
9V alkaline battery lasts about 8 hours 9V lithium battery lasts about 20 hours |
| Power Consumption | 60 mA |
| Battery Life | 8 hrs. |
| Dimensions | 3.6 x 2.4 x 0.8" (91.4 x 61 x 20.3mm) |
| Weight | 7.3 oz (207g) |