The Sennheiser EW IEM G4-A is a professional in-ear monitoring system designed for live performers, musicians, broadcast, theatres, rental companies, and touring setups. It delivers high-quality stereo monitoring with excellent RF stability and robust build quality.
This set operates in the A-band (516–558 MHz).
The system includes the SR IEM G4 stereo transmitter and the EK IEM G4 bodypack receiver, forming a complete wireless IEM solution.
Included Components
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EK IEM G4-A bodypack in-ear monitor receiver
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SR IEM G4-A stereo transmitter
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IE 4 earphones (in many sets)
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GA 3 rackmount kit
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Antennas
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NT 2-3 power supply
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Accessories and documentation
Key Features
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Operating range: 516–558 MHz (A-band)
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Up to 1 680 tunable frequencies in 25 kHz steps
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Wide 42 MHz switching bandwidth
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Stereo, mono, and Focus modes
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Adaptive diversity reception for stable, dropout-free performance
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Excellent RF transmission with selectable power (typically 10, 30, or 50 mW depending on region)
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High-contrast displays on both transmitter and receiver
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Backlit menus designed for stage lighting conditions
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EQ and limiter options for ear safety
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Frequency scan and synchronization via infrared
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Rugged metal housings on both transmitter and receiver
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Compatible with all EW IEM G4 accessories, antenna systems, and cascades
Technical Specifications
EK IEM G4 Receiver:
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Modulation: Wideband FM
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Output power (headphone): up to 2 × 100 mW at 32 ohms
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Signal-to-noise ratio: approx. 90 dBA
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Power: 2 × AA batteries or BA 2015 rechargeable pack
