Sennheiser ew IEM G4-TWIN: Your Ultimate Wireless In-Ear Monitoring Solution
Designed for professional live sound, this rugged all-in-one wireless monitoring system is a game-changer for in-ear applications.
Take full control of your performance with seamless connectivity everywhere, every day. The G4 In-Ear Monitoring Sets elevate your gigs to an extraordinary level, delighting both your audience and you. Enjoy crystal-clear sound across the entire frequency spectrum during daily stage use with its robust bodypack receiver and reliable IE 4 headphones.
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:
- • Engineered for professional live sound, it's a rugged all-in-one wireless monitoring system for in-ear use.
- • Delivers crystal-clear sound across the spectrum with a robust bodypack receiver and reliable IE 4 headphones for daily stage use.
- • Features a half-rack stereo transmitter in a full-metal housing with OLED display for complete control.
- • Enables easy and flexible wireless synchronization between transmitter and receiver via infrared.
- • Compatible with Sennheiser WSM control software for flexible frequency allocation.
- • Offers up to 16 compatible channels.
- • Provides up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range.
- • Has a transmission range of up to 100 meters / 300 feet.
- • Features high RF output power (up to 50 mW) depending on country regulations.
Specifications:
SR IEM G4
- Frequency range: 566 - 608 MHz
- Dimensions: Approx. 202 x 212 x 43 mm
- Compander Sennheiser: HDX
- THD, total harmonic distortion <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, total harmonic distortion: 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 ¦ÌA
- 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 dB¦ÌV, 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 monitoring system is perfect for professional live sound. It's designed for performers who need reliable audio during gigs. The SR IEM G4 transmitter has dimensions of approximately 202 x 212 x 43 mm and weighs around 980 g. The EK IEM G4 receiver is about 82 x 64 x 24 mm and weighs approximately 125 g (including batteries). With features like high-quality sound across the frequency spectrum, flexible frequency allocation, and a decent transmission range, it's a great choice for on-stage use.