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Shure - FP1 Wireless Bodypack Transmitter (L4: 638 - 662 MHz)
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The FP1 Wireless Bodypack Transmitter from Shure is designed for compatibility with both FP and SLX wireless systems from Shure. It is tuned to Shure's L4 frequency band and operates between 638 and 662 MHz. The FP1 features Automatic Transmitter Setup for syncing to your receiver's frequency and employs Shure's Audio Referencing Companding for clear reproduction of your audio.

The transmitter has a 300-foot line of sight range of operation with ideal conditions and is powered by 2 AA batteries for up to 12 hours. It features a TA4F connector for compatibility with a range of lavalier and headset microphones. Thanks to the FP1's Audio Input Gain control, you can adjust your volume levels at the source and before transmission.

Gain Adjustment Range −10 to 20 dBV
Input Impedance 1 MΩ
RF Output Power 10 to 30 mW, varies by region
Connector TA4F (pin 1 = ground, pin 2 = +5 V bias, pin 3 = audio, pin 4 = tied through active load to ground, on instrument adapter cable pin 4 floats)
Power Requirements 2x LR6 AA batteries
Battery Life Up to 12 hours
Dimensions (H x W x D) 7 x 2.5 x 0.7" (108 x 64 x 19 mm)
Weight 3 oz (81 g)
Shure FP1 Wireless Bodypack Transmitter (L4: 638 - 662 MHz)
  • Limited 2-Year Warranty