Sennheiser SR IEM G4 Wireless In-Ear Monitor Transmitter - A1 Band

Sennheiser SR IEM G4 Rackmount Transmitter

Perform your best with crystal-clear in-ear monitoring — without stage noise or feedback. The Sennheiser SR IEM G4 is a professional rackmountable transmitter that delivers wireless freedom with impressive reliability. Hear yourself anywhere on stage while enjoying increased bandwidth, higher power, and compatibility with previous evolution systems.

Reliable, Professional Transmission

The SR IEM G4 operates up to 61 channels with 42 MHz bandwidth and 1,680 selectable frequencies, providing a stable, interference-free signal. With up to 50 mW RF output, your in-ear mix stays clear across distances up to 300 feet line-of-sight. Fast synchronization is enabled by an upgraded infrared interface, while the OLED display with automatic dimming, blue sync LED, red warning LED, and jog-wheel menu ensures simple, intuitive operation.

Sennheiser Quality You Can Count On

• Backward-compatible with evolution G1, G2, and G3 systems

• Compatible with Wireless Systems Manager (WSM) for flexible frequency allocation

• Four-step battery indication and sturdy metal housing

• GA3 rackmount kit included for easy integration

Tech Specs

• Stereo/Mono: Stereo

• Frequency Range: 470–516 MHz (A1 band)

• Number of Frequencies: 1,680

• Auto Frequency Scan: Yes

• Operating Range: 300 ft. Line-of-sight

• Transmitter Inputs: 2 x XLR-1/4" combo

• Transmitter Outputs: 2 x 1/4" loop out, 1 x RJ-45 Ethernet

• Transmitter Power: 12V DC supply

• Transmitter Dimensions: 1.7" x 8.35" x 6.61"