Shure P9TRA425CL PSM900 Personal Monitor System With SE425
$1,729.00$2,520.00
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The Shure PSM 900 is the gold standard of wireless in-ear monitor systems, and it's earned that title the old-fashioned way — by being genuinely, relentlessly excellent. Packing patented Audio Reference Companding, bulletproof RF performance, and smarter-than-your-average-system setup tools into one package, the PSM 900 doesn't just meet the demands of professional audio; it laughs at them.
Audio Quality That Doesn't Cut Corners
The PSM 900 isn't running background audio through a garden hose; it's delivering studio-grade sound directly into your ears, where it belongs. Thanks to advanced digital signal processing in the P9RA+ bodypack receiver, the system carves out more headroom, sharper stereo separation, and higher audio fidelity than most rigs twice its price. Pair that with the included SE425 Sound Isolating™ earphones and you've got a monitoring setup that lets performers actually hear what's happening on stage, rather than a soup of reverb and wishful thinking.
Patented Audio Reference Companding: Shure's proprietary companding technology keeps the audio natural and transparent, meaning what goes in sounds exactly like what comes out — no weird artifacts, no color, just honest sound.
SE425 Sound Isolating™ Earphones: Dual high-definition MicroDrivers deliver accurate, balanced audio response while the sound-isolating design keeps the outside world exactly where it belongs — outside.
Advanced DSP with Four-Band Parametric EQ: Dial in a fully customized sound with four-band parametric EQ and Input EQ Presets, including a "Match" setting that lets the P9RA+ mimic the P9RA for easy system transitions.
RF Performance for Any Environment
If you've ever tried to run wireless gear at a major festival or a packed arena, you know the RF environment is basically a war zone. The PSM 900 was built for exactly those conditions. With precision front-end RF filtering, exceptional transmitter linearity, and a 36–40 MHz tuning bandwidth, it clears through interference like it has somewhere better to be. Up to 20 compatible frequencies per band means even in the most congested RF landscape, you've got room to breathe.
P9RA+ Enhanced Signal Reception: The upgraded bodypack receiver delivers extended range and cleaner signal reception, with automatic RF gain control that prevents distortion before it can sneak into your mix.
Precision Front-End RF Filtering: Dramatically reduces RF interference for fewer dropouts, fewer audible artifacts, and a signal that stays strong even when your venue's RF environment looks like rush-hour traffic.
20 Compatible Channels Per Band: Exceptional transmitter linearity reduces frequency intermodulation and keeps up to 20 channels running simultaneously without them stepping on each other's toes.
Setup Features That Makes It Easy
Nobody got into live audio to spend their life decoding cryptic menus and manually scanning frequencies. The PSM 900 gets that, which is why Shure loaded it with setup and operation tools that actually make sense. CueMode lets a single bodypack store and monitor up to 20 separate channels, so switching between stage mixes is quick. Meanwhile, Scan and Sync handles RF assignment over a wireless IR link so your crew can get the system up and running without the ritual suffering that usually comes with it.
Patented CueMode™ Functionality: Store and monitor up to 20 separate channels on a single bodypack receiver, giving performers and engineers instant access to different stage mixes without rewiring anything.
Scan and Sync Technology: Scans the RF environment with the bodypack and automatically assigns the cleanest group and channel via wireless IR link — fast, reliable, and blessedly simple.
MixMode® Technology: Combines two separate audio channels for simultaneous listening in both ears or splits them into two independent IFB program feeds, giving you serious flexibility in how audio gets distributed.
A Monitor System That Earns Its Place in Your Rack
The Shure PSM 900 Personal Monitor System is the kind of gear that stops being an accessory and starts being non-negotiable. Whether it's a touring musician trusting their ears to it night after night, a broadcast engineer managing IFB feeds in a live production, or a stage monitor engineer juggling a full complement of wireless mixes, the PSM 900 delivers where it counts — clean audio, rock-solid RF, and a workflow that doesn't slow anyone down.
It's not just an industry standard because Shure said so. It's an industry standard because professionals kept choosing it until the decision became obvious.
Shure PSM 900 Wireless Monitor System Features:
Advanced digital signal processing for increased headroom, stereo separation, and audio fidelity
Patented Audio Reference Companding for natural, transparent sound
P9RA+ bodypack receivers with enhanced signal reception and range
Precision front-end RF filtering for fewer dropouts and cleaner RF signal
Up to 20 compatible channels per frequency range
CueMode for monitoring and storing up to 20 separate stage mixes on one bodypack
Scan and Sync for automatic RF environment scanning and channel assignment
MixMode® technology for simultaneous dual-channel listening or two independent IFB feeds
Four-band parametric EQ with Input EQ Presets for fully customized sound
SB900B lithium-ion rechargeable battery with extended usage times and precise charge tracking
Warranty: 2 Years on Wired Microphones; 1 Year on Wireless Systems & Components; 1 Year on Personal Monitors & Components: 1 Year on Circuitry Products.
Shure P9TRA425CL PSM900 Personal Monitor System With SE425 Specifications
Shure P9TRA425CL PSM900 Personal Monitor System With SE425 Specifications
Product Specifications
Shure P9TRA425CL PSM900 Personal Monitor System With SE425 Specifications:
Includes:
P9TRA+425CL
Includes SE425-CL Earphones (Clear)
RF Carrier Range: 470–952 MHz (varies by region)
Compatible Frequencies:
Per band: 20
Tuning Bandwidth:36–40 MHz
Note: varies by region
Operating Range: environment dependent 90 m (300 ft)
High Mid Selectable Gain: ±2 dB, ±4 dB, ±6 dB at 1 kHz, 1.6 kHz, 2.5 kHz, 4 kHz, 6.3 kHz Selectable Q: 0.7, 1.4, 2.9, 5.0, 11.5
High Shelf Selectable Gain: ±2 dB, ±4 dB, ±6 dB @ 10 kHz
Volume Limiter Selectable: OFF (0 dB)to -48 dB in 3 dB steps
Volume Lock Selectable: 0 dB to -70 dB
Limits volume adjustment knob. Selected value analogous to volume knob increment.
Net Weight: 154 g (Without Battery)
Dimensions: 83 x 65 x 22 mm H x W x D
Battery Life:
4–6 hours (continuous use) AA batteries
Also compatible with the Shure SB900B Rechargeable Lithium-Ion Battery (optional, not included)
Frequently Asked Questions
The PSM 900 is a professional wireless in-ear monitor system used for live performance, broadcast, and IFB applications. It provides high-fidelity audio monitoring directly to performers or crew via a bodypack receiver and earphones.
The PSM 900 supports up to 20 compatible channels per frequency band, making it well-suited for large productions with multiple performers all running simultaneous wireless monitor mixes.
Audio Reference Companding (ARC) is Shure's patented technology that preserves the natural, transparent quality of audio as it passes through the wireless system. It minimizes unwanted compression artifacts, keeping sound accurate and clean.
The P9TRA425CL configuration includes the Shure SE425 Sound Isolating™ earphones, which feature dual high-definition MicroDrivers for balanced, detailed audio response. Other configurations are available with different earphone options or without earphones.
The PSM 900 is compatible with the SB900B lithium-ion rechargeable battery, which offers extended runtime and detailed charge tracking.
