Sennheiser ew IEM G4-TWIN Wireless In-Ear Monitor System - Your Ultimate Stage Companion
Designed for professional live sound, this rugged all-in-one wireless monitoring system is a must-have for in-ear applications.
Take full control of your performance with seamless connectivity everywhere, every day. The G4 In-Ear Monitoring Sets elevate your gig to an extraordinary experience for both you and your audience. Enjoy crystal-clear sound across the entire frequency spectrum with the robust bodypack receiver and reliable IE 4 headphones, perfect for daily stage use.
What's in the box- SR IEM G4 stereo transmitter
- 2 EK IEM G4 stereo receiver
- 2 IE 4 earphones
- 4 AA batteries
- rod antenna
- GA 3 rackmount set
- quick guide
- safety guide
- manufacturer declaration sheet
- power supply
Features:
- • Professional Live Sound: Rugged all-in-one wireless monitoring for in-ear use.
- • Crystal-Clear Sound: Robust receiver and reliable headphones for the stage.
- • Easy Sync: Effortless wireless synchronization via infrared.
- • Flexible Control: Compatible with Sennheiser WSM software for frequency allocation.
- • Multiple Channels: Up to 16 compatible channels for seamless operation.
- • Wide Bandwidth: Up to 42 MHz bandwidth with 1680 selectable frequencies.
- • Long Range: Transmission range up to 100 meters / 300 feet.
- • High Power: High RF output power (up to 50 mW) depending on regulations.
Specifications:
SR IEM G4
- Frequency range: 516 - 558 MHz
- Dimensions: Approx. 202 x 212 x 43 mm
- Compander: Sennheiser HDX
- THD: <0.9 %
- Weight: Approx. 980 g
- Audio input: 2x XLR-3/ ' (6.3 mm) jack combo socket, electronically balanced
- Audio output: ' (6.3 mm) stereo jack socket, balanced
- Signal-to-noise ratio: >90 dB
- RF output power: switchable: Low: typ. 10 mW, Standard: typ. 30 mW, High: typ. 50 mW
- Switching bandwidth: up to 42 MHz
- Peak deviation: ±48 kHz
- Nominal deviation ±24 kHz
- Modulation: Wideband FM stereo (MPX pilot tone)
- Power supply: 12 V DC
- Current consumption: max. 350 mA
- Max. Input voltage: +22 dBu
- Transmission frequency: Max. 1680 frequencies, adjustable in 25 kHz steps, 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation, 6 frequency banks with up to 16 programmable channels
- AF frequency response: 25 Hz to 15 kHz
- Temperature Range: -10 °C to +55 °C
- Frequency stability: ±10 ppm
- Antenna Output: BNC socket, 50
EK IEM G4
- Dimensions: Approx. 82 x 64 x 24 mm
- Compander: Sennheiser HDX
- THD: 0.9 %
- Weight: (incl. batteries) approx. 125 g
- Signal-to-noise ratio: approx. 90 dBA
- Switching bandwidth: up to 42 MHz
- Peak deviation: ±48 kHz
- Nominal deviation: ±24 kHz
- Operating time: approx. 4 to 6 hours (depending on volume level)
- Modulation: Wideband FM
- Power supply: 2 AA batteries, 1.5 V or BA 2015 accupack
- Current consumption: at nominal voltage: approx. 140 mA with transmitter switched off: 25 μA
- Adjacent channel rejection: Typically 65 dB
- Audio-Output-Power: 2 x 100 mW at 32
- Intermodulation attenuation: Typically 70 dB
- Limiter: –18 dB to –6 dB, adjustable in steps of 6 dB, can be switched off
- Powering: 3 V battery / 2.4 V rechargeable battery
- Receiving frequency: Max. 1680 receiving frequencies, adjustable in 25 kHz steps, 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation, 6 frequency banks with up to 16 programmable channels
- RF sensitivity: < 4 V, typ. 1.6 V for 52 dBA rms S/N
- Squelch: 5 to 25 dBμV, adjustable in steps of 2 dB
- Bass Boost: +8 dB at 80 kHz
- Temperature Range: -10 °C to +55 °C
- Receiver Principle: Adaptive naversity
- Blocking: 80 dB



This Sennheiser ew IEM G4-TWIN wireless in-ear monitor system is designed for professional live sound. It's perfect for musicians, performers, and audio engineers who need a reliable monitoring solution on stage. The system includes a rugged bodypack receiver and reliable IE 4 headphones for crystal-clear sound across the entire frequency spectrum. The SR IEM G4 stereo transmitter has dimensions of approximately 202 x 212 x 43 mm and weighs around 980 g. The EK IEM G4 stereo receiver is approximately 82 x 64 x 24 mm and weighs about 125 g (including batteries). With features like easy wireless synchronization via infrared and compatibility with Sennheiser WSM control software, it offers flexible frequency allocation and up to 16 compatible channels. The transmission range is up to 100 meters / 300 feet, and it has a high RF output power (up to 50 mW depending on country regulations).