Lectrosonics Portable IFB Kit (24 - 614.4 - 639.9 MHz)

Lectrosonics Portable IFB Kit


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This IFB kit includes the Lectrosonics R1a UHF beltpack receiver, LM wireless beltpack transmitter, M152 omnidirectional lavalier microphone and a V1-10437 IFB earphone from Otto Engineering. This system is ideal for cueing talent and for crew communication in broadcasting or film production.

The R1a receiver has a rugged aluminum housing, multicolor LED indicator, and detachable belt clip. It has pilot tone squelch, a scan mode for storing up to 5 additional frequencies, and can run for up to 20 hours on a 9 volt lithium battery.

The LM transmitter uses Digital Hybrid Wireless(TM) technology to combine 24-bit digital audio with an analog FM radio link for great audio quality and terrific range. It features a rugged aluminum housing and a 5-pin input jack. It has a 50mW output power, DSP based pilot-tone signal, and a DSP controlled dual envelope input limiter.

The M152 is a high-performance omni-directional microphone with a locking 5-pin connector and water-resistant boot.

The Otto Engineering V1-10437 earphone is an unobtrusive single-ear unit designed for reliability and durability that terminates in a standard 3.5mm plug.

Great range and audio quality thanks to Digital Hybrid WirelessTM technology
Rugged, durable construction
Unobtrusive design
Easy operation
Excellent battery life
Frequency 24 - 614.4 - 639.9 MHz
Power Output 50mW (Nominal)
Pilot Tone 25 - 32KHz
Frequency Response 90Hz - 20KHz
Input Connector Switchcraft 5-Pin Locking
Antenna Galvanized Steel, Flexible Wire
Battery Type/Life 9V Battery / Approx. 6 Hours (Alkaline), 13 Hours (Lithium)
Weight 6.3 oz (179 g) (Includes Battery and Antenna)
Dimensions 3.1 x 2.4 x .75" (79 x 61 x 19mm)
Frequency 24 - 614.4 - 639.9 MHz
Signal to Noise Ratio 95 dB
Sensitivity 1 uv (20 dB SINAD)
Frequency Response 100Hz - 10kHz
Audio Output 1V RMS Into 50 Ohms Minimum
Antenna Headphone Cable
Battery Type/Life 9V Battery / Approx. 8 Hours (Alkaline), 20 Hours (Lithium)
Dimensions 3.6 x 2.4 x 0.8" (91 x 61 x 20mm)
Weight 7.3 oz (207 g) (With Battery)
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Batteries & Power

Required item: Always keep spare batteries handy and you won't get caught without power.

Duracell - 9V Alkaline Battery (Coppertop)
  • You Pay: $3.69
Duracell - 1.5V AA Coppertop Alkaline Batteries (4-Pack)
  • You Pay: $3.29


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Add more interconnectivity options for your equipment.

Lectrosonics - MC-60 XLR Female to TA5-Female Cable for Wireless Transmitters (37")
  • You Pay: $46.95

Additional Hardware

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Additional hardware extends the flexibility of your system.

Otto Engineering - Flexible Open Ear Insert - Right Ear - Medium
  • You Pay: $9.99

Ear Tips

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Ear tips get lost or worn out over time, have some Replacement Ear Tips on hand.



Otto Engineering Clear Eartip - 10-Pack
Otto Engineering - Clear Eartip - 10-Pack
  • You Pay: $9.79

Transmitters & Receivers

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Adding an additional transmitter or receiver gives you added flexibility.

Lectrosonics - IFB-R1a UHF Belt-Pack Receiver
  • You Pay: $545.00


Mount your device with the appropriate hardware.

Lectrosonics - BEZELKITR1A Bezel/Belt Clip Kit for IFB R1A Receiver
  • You Pay: $82.00

Cases & Protection

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Carry, store and protect all your equipment in a bag or case.

Lectrosonics - PR1A Leather Pouch
  • You Pay: $19.95
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