The Shure P4R is an add on wireless bodypack for the PSM400 monitor system.
Features
High-impact plastic chassis
Frequency locater
Technical Info
Operating Controls:
Operating mode (Stereo, Mono, MixMode)
Volume knob
Balance
Defeatable limiter
High-frequency boost
Frequency select
Backlit LCD Indicators:
RF reception
Battery life
Operating mode
Frequency
RF Frequency Range: 722 to 865 MHz (country dependent)
Operating Range: 300 feet (environment dependent)
Audio Frequency Response: 50 Hz to 12 kHz (+/- 3 dB)
RF Sensitivity: 1 mV typical
Image Rejection: 55 dB typical
Spurious Rejection: 60 dB typical
Squelch Threshold: 4.5 mV typical
Antenna: attached whip
Power Requirements: 9 V alkaline battery
Battery Life: up to 8 hours, volume dependent
Audio Output Connector: 3.5 mm Stereo (Left = tip, Right = ring, Ground = sleeve)
Minimum Load Impedance: 16 ohms
Net Weight: .28 lbs.(125 g )
Overall Dimensions: 3-1/4 x 2-1/2 x 1-1/32 in.(82.6 mm X 63.5 mm X 26.2 mm)
Important NOTE:
Due to the FCC reallocation and auction of frequencies in the 700 MHz band, Shure has chosen to move the PSM 400 products from the HF band (722 to 746 MHz) to the new X1 band (944 to 952 MHz). There are no changes to pricing.
The X1 band extends from 944 to 952 MHz (8 MHz total). This portion of the RF spectrum is called the “STL band” because it is used for Studio-Transmitter Links between a radio station studio and a transmitter in a different location. It is outside of the TV band, new wireless services, and public safety bands.
NOTE: PSM 400 systems operating in the X1 band are not compatible with the PA770 antenna combiner.
Call for 4 equal payments on most orders over $395. Installment plans available only by phone. 
