Sennheiser EW 300 IEM G3-A Wireless In-Ear Monitoring System (B Band: 626–668 MHz)

Hear better, perform better — the Sennheiser EW 300 IEM G3-A is a professional-grade wireless in-ear monitoring (IEM) system designed for live performers, musicians, broadcast engineers, and stage professionals who demand crystal-clear audio monitoring and reliable wireless performance.

Operating in the B Band (626–668 MHz), this system features an adaptive-diversity receiver that uses the earphone cable as a secondary antenna for improved RF stability. With 42 MHz of tuning bandwidth, 1680 selectable UHF frequencies, and support for up to 16 simultaneous channels, this system provides rock-solid performance even in crowded RF environments.

? Key Features of Sennheiser EW300 G3-A IEM System (B Band, 626-668 MHz):

• Sturdy metal housing for both transmitter and receiver – built for rigorous touring use
• 42 MHz bandwidth with 1680 tunable UHF frequencies for interference-free operation
• Enhanced frequency bank system with up to 16 compatible frequencies
• Ethernet port for connection to Sennheiser Wireless Systems Manager (WSM) software – ideal for multi-channel monitoring setups
• Adaptive diversity reception ensures high RF stability using headphone cable as secondary antenna
• Automatic frequency scan for quick setup in any venue
• Wireless sync of receiver from transmitter via infrared
• 5-band EQ on the transmitter for personal sound shaping
• HiBoost, stereo/focus mode, and adjustable limiter in the bodypack receiver
• Pilot tone squelch eliminates unwanted noise when transmitter is off
• Battery status display in 4 steps and support for BA 2015 rechargeable pack (with recharging contacts)

? What’s Included:

• SR 300 IEM G3 Rackmount Transmitter
• EK 300 IEM G3 Bodypack Receiver
• IE 4 In-Ear Earphones with multiple ear adapters
• GA 3 Rackmount Kit
• 2 x Antennas
• Power Supply Unit
• AA Batteries
• User Manual

? Technical Specifications:

• Frequency Range: B Band – 626 to 668 MHz
• Switching Bandwidth: 42 MHz
• Audio Frequency Response: 25 Hz – 15 kHz
• Signal-to-Noise Ratio: ≥ 90 dB(A)
• Output Power: Up to 30 mW (country-specific)
• Transmission Mode: FM stereo
• THD (Total Harmonic Distortion): ≤ 0.9%
• Latency: < 1.9 ms
• Battery Life: Approx. 6–8 hours with AA or BA 2015

?️ Designed for Professionals

The Sennheiser EW 300 IEM G3-A gives performers full control over their monitor mix while moving freely on stage. Whether you’re a touring artist, audio tech, or church sound engineer, this IEM system ensures reliable performance, clear sound, and total flexibility. With tools like Ethernet-based remote control, a five-band EQ, stereo/focus listening modes,