We are not accepting orders at this time. Online ordering will resume Monday, May 28th at 9:45PM EDT. Our SuperStore and offices are currently closed and will reopen on Tuesday, May 29th at 9:00AM EDT.
We apologize for any inconvenience and appreciate your patronage.
For system compatibility, the component's frequency MUST match your existing system/component frequency.
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.
| 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) |