Sennheiser EW 300 IEM G3

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Page last updated May 09, 2026

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Description

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Elevate your onstage performance with the Sennheiser EW 300 IEM G3 wireless in-ear monitoring system. Engineered for professional musicians who demand clarity and freedom, this system combines cutting-edge technology with user-friendly features. The adaptive diversity feature ensures high reception quality, minimizing dropouts and interference, so you remain connected no matter where you roam on stage. The system includes a robust SR 300 G3 stereo transmitter, an EK 300 G3 stereo diversity bodypack receiver, and a pair of comfortable IE 4 earphones, whose cord doubles as a backup antenna.

The EW 300 IEM G3 is equipped with a 5-band graphic equalizer built into the transmitter, allowing for personalized sound control tailored to your needs. With the Ethernet port, you can connect to the Wireless Systems Manager software for comprehensive system management, making it ideal for larger setups. This monitoring system operates on Band B (626-668MHz), offering 1680 tunable UHF frequencies to provide interference-free reception. Whether you're a seasoned performer or just starting, this system offers a seamless transition to the world of wireless monitoring.

Key Features:

Includes SR 300 G3 stereo transmitter and EK 300 G3 receiver
IE 4 earphones with cord functioning as a backup antenna
Adaptive diversity for high reception quality
5-band graphic equalizer for personalized sound control
Operates on Band B (626-668MHz) with 1680 tunable UHF frequencies
Ethernet port for connection to Wireless Systems Manager software
Sturdy metal housing for both transmitter and receiver
Automatic frequency scan for available frequencies
Integrated HiBoost, adjustable limiter, stereo/focus mode, and balance controls in the receiver

Product specs

Brand	Sennheiser
Model	EW 300 IEM G3 - G Band 556-608 MHz
Finish	Black
Year	2010s
Categories	Instrument Wireless Systems

FAQs

What frequency range does the Sennheiser EW 300 IEM G3 operate on?: The Sennheiser EW 300 IEM G3 operates on the G Band, which covers the frequency range of 556-608 MHz.
Is the Sennheiser EW 300 IEM G3 suitable for live stage monitoring?: Yes, the Sennheiser EW 300 IEM G3 is designed for professional in-ear monitoring, making it ideal for live stage performances with reliable wireless transmission and high-quality audio.
Can the Sennheiser EW 300 IEM G3 be used with multiple receivers?: Yes, the Sennheiser EW 300 IEM G3 system can be used with multiple receivers, allowing different performers to use the same transmission frequency for synchronized monitoring.
Does the Sennheiser EW 300 IEM G3 include earphones?: The Sennheiser EW 300 IEM G3 typically comes with high-quality in-ear headphones designed for clear and dynamic sound reproduction during performances.
How does the Sennheiser EW 300 IEM G3 handle interference?: The Sennheiser EW 300 IEM G3 features adaptive diversity reception and a pilot tone squelch to minimize interference, ensuring a stable and clear audio signal.

Videos

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Peter Morrone

Sennheiser ew 300 IEM G3 personal monitor system

Peter Morrone

Sennheiser ew 300 IEM G3 Wireless Personal Monitor System - Review

CCI Solutions

NRCC - Wireless In-Ear Operation - Sennheiser EW300 IEM G3

Drew Brashler

Sennheiser ew 300 IEM G3 Wireless In-Ear Monitor System Overview | Full Compass

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Reviews

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PROS

Detailed, quiet soundstage with good stereo mix
Automatic clear channel selection prevents interference
Excellent sound quality; clear and warm audio
Well-built unit with an attractive design
Quick and easy mix dialing enhances live performance

CONS

Included earbuds break easily; need immediate replacement
Complicated setup; requires manual reading for optimal use
Noisy operation with noticeable "shhh" sound when active
Volume control lacks precision between low and inaudible
Focus mode buttons are not user-friendly during performances
Significant buzz when paired with certain instrument systems
Isolating experience; difficult on-stage communication

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sennheiser EW 300 IEM G3.

Comparisons

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G3 systems maintain compatibility with both G2 and G4 transmitters and receivers, useful for those with mixed generation gear setups.
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Owners frequently find genuine Sennheiser G3 units far superior in performance compared to significantly cheaper knockoffs or unbranded models.
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Features and functionality

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G3 transmitters operate at 50mW, requiring proper frequency coordination and antenna placement, especially in RF-dense environments to avoid interference.
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Despite being an older model, G3s are still frequently used and can be a cost-effective option if priced appropriately.
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The G3 ew300 series offers network connectivity, useful for remote adjustments via a laptop.
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Use cases and applications

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G3 units are still effective for second and third-tier events, suitable for freelance sound engineers or small audio companies.
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Users transitioning from budget systems like the Lekato report noticeable improvements in reliability and performance with genuine G3 systems.
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G3 systems are robust enough for frequent use in wedding bands and churches, maintaining reliability over time.
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Other

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It's noted that using a combiner is necessary for setups with more than two IEM transmitters to prevent intermodulation issues, regardless of brand.
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The durability of older G3 models is often perceived as superior to some newer units, despite occasional plastic wear on handheld mics.
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Value and pricing

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Authentic G3 sets have been found second-hand for around $200, making them a superior choice to knockoffs despite the higher price.
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A used G3 set, including transmitter and receiver, was purchased for $200, highlighting its value over cheaper, unreliable alternatives.
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G3 combo units are acquired for about $300, providing value even when compared with newer digital models.
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