Sennheiser ew IEM G4 (Band A1)

Engineered for professional live sound, the EW IEM G4 is a rugged, all-in-one wireless monitoring system for in-ear applications. Take full control over your performance on any stage with features like easy and flexible wireless synchronization via infrared and compatibility with Sennheiser’s WSM control software for flexible frequency allocation. The G4 In-Ear Monitoring Set includes a robust bodypack receiver and reliable in-ear monitoring IE 4 headphones, delivering clarity along the whole frequency spectrum.

Available frequencies (Please specify when ordering):

A1: 470 - 516MHz
A: 516 - 558MHz
G: 566 - 608MHz
Sennheiser ew IEM G4 Includes:
SR IEM G4 Stereo Transmitter
EK IEM G4 Stereo Receiver
IE 4 Earphones
2 AA Batteries
Rod Antenna
GA 3 Rackmount Set
Quick Guide
Safety Guide
Manufacturer Declaration Sheet
Power Supply
Sennheiser ew IEM G4 Features:
Engineered for professional live sound: Rugged all-in-one wireless monitoring system for in-ear applications.
Robust bodypack receiver and reliable in-ear monitoring IE 4 headphones delivering clarity along the whole frequency spectrum for daily use on stage
Half-rack stereo transmitter in a full-metal housing with OLED display for full control
Easy and flexible wireless synchronization between transmitter and receiver via infrared
Compatible with Sennheiser WSM control software for flexible frequency allocation
Up to 16 compatible channels
Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range
Transmission Range: up to 100 meters (300')
High RF output power (up to 50 mW) depending on country regulations
Sennheiser ew IEM G4 Specifications:
SR IEM G4
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-3/¼" (6.3 mm) jack combo socket, electronically balanced
Audio output: ¼" (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 Ω
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 µA
Adjacent channel rejection: Typically ≥ 65 dB
Audio-Output-Power: 2 x 100 mW at 32 Ω
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 μV, typ. 1.6 μV 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 diversity
Blocking: ≥ 80 dB

Sennheiser EW-IEM 4G (Sennheiser EW IEM G4-A1)