The Sennheiser ew IEM G4-Twin-A1 in-ear monitoring system is the ultimate solution for professional live performances. Designed to deliver flawless monitoring sound and complete freedom of movement on stage, this "Twin Set" includes a stereo transmitter and two bodypack receivers, allowing two musicians to hear the same mix with exceptional clarity. It operates in the reliable A1 UHF frequency range (470-516 MHz), guaranteeing stable and interference-free transmission.
What makes this system stand out is its ruggedness and ease of use under the pressure of live shows. The half-rack transmitter features an intuitive, high-contrast OLED display and integrates seamlessly with Sennheiser's Wireless Systems Manager (WSM) software for advanced network control and monitoring. Furthermore, it offers a bandwidth of up to 42 MHz with 1680 tunable frequencies, ensuring you always find a clean channel in any venue.
The Sennheiser ew IEM G4-Twin-A1 is a world-class stereo wireless monitoring system, specifically designed to give artists and audio professionals total control over their sound on stage. This comprehensive set includes everything needed to start working right away: a rugged SR IEM G4 stereo transmitter, two EK IEM G4 stereo bodypack receivers, and two pairs of IE 4 earphones. Operating in the A1 band (470-516 MHz), it provides superior signal penetration and absolute reliability, even in the most congested RF environments.
Top-tier performance is achieved through its high-fidelity analog transmission technology, which delivers crystal-clear sound and a frequency response tailored for demanding monitoring. Setup is incredibly fast and simple thanks to flexible wireless infrared synchronization between the transmitter and receivers. In addition, the SR IEM G4 transmitter is equipped with an Ethernet port that allows network integration via the Sennheiser WSM software, facilitating multi-channel frequency coordination in large-scale productions.
Combined with ultra-durable metal housings on both the transmitter and bodypacks, this powerful system guarantees uninterrupted, long-lasting operation for heavy touring. The switchable RF output power (up to 50 mW) and a transmission range of up to 100 meters ensure the audio arrives without dropouts, providing total confidence to artists during every second of their performance.
Features:
Specifications:
| RF System | |
| Frequency range | A1: 470 - 516 MHz |
| Transmission/receiving frequencies | Max. 1680, tunable in 25 kHz steps |
| Switching bandwidth | Up to 42 MHz |
| Nominal/peak deviation | ±24 kHz / ±48 kHz |
| Transmission range | Up to 100 meters |
| EK IEM G4 Receiver (Bodypack) | |
| Audio frequency response | 25 Hz to 15 kHz |
| Audio output power | 2 x 100 mW at 32 ohms |
| Power supply | 2 AA batteries (1.5 V) or BA 2015 accupack |
| Operating time | Approx. 4 to 6 hours (depending on volume level) |
| Dimensions / Weight | 82 x 64 x 24 mm / Approx. 125 g (incl. batteries) |
| SR IEM G4 Transmitter | |
| RF output power | Switchable: Low: typ. 10 mW, Standard: typ. 30 mW, High: typ. 50 mW |
| Audio inputs | 2 x XLR-3/1/4" (6.3 mm) jack combo sockets, electronically balanced |
| Power supply | 12 V DC (power supply unit included) |
| Dimensions / Weight | 202 x 212 x 43 mm / Approx. 980 g |