Shure

Shure PSM 300 Twin Pack Wireless In-Ear Monitor

Professional wireless in-ear monitoring for two performers — reliable RF, 37 dB of isolation, and the clarity to hear every detail of your mix on stage.

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Overview

The Shure PSM 300 Twin Pack is a turnkey wireless in-ear monitoring system designed for bands, worship teams, and theatrical performers who need two artists on personal monitor mixes without the complexity and cost of higher-tier systems. The sonic character leans warm and full through the included SE215 earphones, with enough low-end presence to feel a kick drum and bass line without pushing dangerous SPLs. The 37 dB of passive noise isolation means stage wash, drum bleed, and crowd noise fall away, leaving you inside your mix — hearing pitch, timing, and dynamics with a clarity that wedge monitors simply can't deliver in loud environments. MixMode is the practical standout: each performer dials their own balance between the two input channels, so a singer can push vocals forward while the guitarist brings the instrument bus up, all from the same transmitted signal.

Build quality reflects Shure's touring pedigree. The P3T transmitter is rack-mountable with a high-contrast LCD that reads clearly in dim backstage environments, and the all-metal P3RA bodypacks feel like they'll survive being dropped on concrete — because they will. Frequency management is nearly effortless: scan, find a clean channel, IR sync to the packs, and you're monitoring within minutes of load-in. The 300-foot transmission range covers most stages with margin, and dropout resistance in the G20 band holds solid in moderately congested RF environments. Seven hours of battery life per bodypack on standard AAs means you won't sweat through a long festival day, though carrying spares remains good practice. For performers stepping up from wedges or budget wireless systems, the PSM 300 Twin Pack is the point where in-ear monitoring starts feeling genuinely professional.

Key Features

SUPERIOR SOUND QUALITY - Experience exceptional audio clarity with the SE215 earphones' dynamic MicroDriver, delivering a detailed and balanced soundstage for professional monitoring.

ENHANCED COMFORT AND FIT - Enjoy extended wear with included multiple sizes of flex and foam sleeves, ensuring a secure, comfortable fit and optimal noise isolation for any ear size.

RELIABLE WIRELESS PERFORMANCE - Stay connected with a robust wireless signal, offering a transmission range of up to 300 feet (90m), minimizing dropouts during critical performances.

EXCEPTIONAL NOISE ISOLATION - Immerse yourself in your mix with up to 37 dB of external noise reduction, allowing you to focus on your performance without distractions from ambient noise.

DURABLE AND ROAD-READY - The Shure PSM 300 Twin Pack Pro is built to withstand the rigors of touring, featuring rugged components and a secure design for long-lasting reliability on stage.

OPTIMIZED FOR PROFESSIONAL USE - Benefit from switchable input levels (+4 dBu, -10 dBV) and comprehensive connectivity options, ensuring seamless integration with professional audio equipment.

Stereo mode enables adjustment of left/right balance

Frequency scan and IR sync quickly finds and assigns a clean channel

2 AA batteries provide up to 7 hours of continuous use

Specifications

Transmitter
Shure P3T Wireless Transmitter
Receivers
2x Shure P3RA Wireless Bodypack Receiver
Earphones
2x SE215-CL Sound-Isolating In-Ear Stereo Earphones (Clear)
Frequency Range
G20: 488–512 MHz
Transmission Range
Up to 300 feet (90m)
Noise Isolation
Up to 37 dB
Input Levels
Switchable +4 dBu / -10 dBV
EQ
2-Band Shelving EQ
Construction
All-metal (transmitter and bodypacks)
Battery
2x AA per bodypack, up to 7 hours
Display
High-contrast LCD
Features
MixMode, Frequency Scan, IR Sync

Pros & Cons

👍 Pros

  • Two complete bodypack-and-earphone rigs in one package, making it cost-effective for duos or small bands sharing a monitor send
  • Up to 37 dB of noise isolation from the SE215 earphones cuts stage volume dramatically, letting you monitor at lower, safer levels
  • MixMode on each bodypack gives individual performers control over their channel balance without needing separate transmitter mixes
  • Automatic frequency scan and IR sync eliminate the tedious manual coordination of finding clean RF channels at load-in
  • All-metal bodypack construction and rugged transmitter chassis survive the realities of load-in, load-out, and life in a road case

👎 Cons

  • Single transmitter means both performers share the same stereo feed — no independent mixes without adding a second P3T
  • The SE215 earphones included are entry-level with a single dynamic driver, so detail in the high end won't match higher-tier Shure IEMs
  • G20 frequency band (488–512 MHz) is a narrow window that may face congestion in markets with heavy UHF wireless traffic
  • No rechargeable battery option built in — you're committed to disposable AAs or sourcing your own rechargeable cells
  • Bodypack receivers lack Bluetooth or network control, so all adjustments happen physically on each unit during the show

Frequently Asked Questions

The kit ships with one P3T wireless transmitter, two P3RA metal bodypack receivers, and two pairs of SE215-CL sound-isolating earphones with multiple sleeve sizes. You'll need to supply two AA batteries per bodypack and your audio source connections, but otherwise it's a complete two-performer monitoring rig ready to deploy.
The P3T transmitter includes an automatic frequency scan that identifies open channels in the G20 band (488–512 MHz), then IR sync beams the selected frequency to each bodypack in seconds. This makes soundcheck frequency coordination fast, even in RF-congested venues with multiple wireless systems running simultaneously.
Both receivers get the same stereo transmission from the single P3T transmitter. However, each P3RA bodypack has its own volume control and MixMode lets performers adjust the balance between the two input channels — effectively giving each person control over their own vocal-to-band ratio within the shared stereo feed.
The P3T accepts both +4 dBu (professional line level) and -10 dBV (consumer/semi-pro level) via a switchable input, so it interfaces cleanly with everything from a touring FOH console's aux send to a smaller format mixer. Balanced XLR and 1/4-inch inputs cover standard monitor send configurations.
Each P3RA bodypack runs on 2 AA batteries and delivers up to 7 hours of continuous use. For a typical 90-minute to 2-hour set, you've got comfortable headroom. Carrying spare AAs is still wise for festival or multi-set days.