Shure P3ra PSM300 H20

PSM300: A Shure Solution Designed for Accessible and Durable In-Ear Monitoring

The Shure PSM300 continues the legacy of in-ear monitoring systems designed to offer a stable, easy-to-deploy, and musically convincing monitoring experience. The series relies on a robust RF architecture and stereo transmission while maintaining straightforward operation: frequency scanning, quick channel assignment, and intuitive handling. Within this range, the choice of receiver is central: the P3R prioritizes lightness and essentials, while the P3RA (the model presented here) targets a more "field-ready" approach with a metal chassis and advanced stage-oriented features.

Who Is the P3RA Receiver For, and What Are Its Intended Uses?

The P3RA is aimed at musicians, singers, technicians, and stage managers who want a stable stereo in-ear monitor without relying on traditional stage monitors. It is particularly suited for situations where listening precision and consistency are essential: concerts, group rehearsals, theater performances, houses of worship, TV studios, or corporate events. Thanks to its bodypack format and LCD screen, it is also suitable for users who need to quickly check their settings (levels, parameters, RF info) between songs or during stage changes.

Technical specifications

Frequency response - start	38 Hz	Inputs	minijack
Frequency response - end	15 kHz	Indicative range	90 m
Category	transmitter	Power supply	Rechargeable battery, 2 x AA batteries
Battery life	7 HOUR	Weight	196 g
Compatibility	PSM300	Dimensions (mm)	99 x 66 x 23
Frequency scanner	Yes

Compatible transmitters	P3T	Intermodulation attenuation	> 50 dB
Type	bodypack receiver (pocket-sized housing)	Blocking	> 60 dB
Housing	metal	Frequency response	38 Hz - 15 kHz
Dimensions	99 x 66 x 23 mm	Audio output power	80 mW (1 kHz, less than 1% distortion, peak power at 32 ohms, driving two channels)
Approximate range	90 m	Output impedance	less than 2.5 ohms
Display	backlit LCD	Minimum load impedance	4 ohms
H20 band	518 to 542 MHz	Headphone output	3.5 mm stereo jack
Active RF sensitivity at 20 dB SINAD	2.2 uV	Volume limiter	3 dB (selectable step width: -3 to -21 dB)
Active RF gain control	20 dB (adjusts high-frequency sensitivity to expand the RF dynamic range)	Filters	2 shelving filters
Image frequency suppression	> 90 dB	Battery life (continuous use)	5.5 h (batteries), 7 h (battery)
Adjacent-channel rejection	> 60 dB	Rechargeable lithium-ion battery SB900A	optional