The Sennheiser EK IEM G4-A is a professional wireless in-ear monitor receiver designed for stage performers, musicians, presenters, and broadcast environments. Part of the Evolution Wireless G4 IEM system, it delivers clear, reliable, low-latency monitoring with excellent RF stability and long operating range.
Its compact, durable metal chassis and bright LCD display make it suitable for touring, rental fleets, and demanding live productions.
Key Features
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Professional wireless in-ear monitor belt-pack receiver
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Frequency Range: 516–558 MHz (A Band)
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Compatible with Evolution Wireless G4 IEM transmitters
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High RF stability and low-latency audio transmission
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Wide tuning bandwidth for flexible frequency coordination
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Clear, high-contrast LCD for easy monitoring on stage
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Adjustable EQ, balance, volume, and focus modes
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Rugged all-metal housing designed for touring
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Long battery life using AA batteries or optional rechargeable pack
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Includes headphone output for IEM earpieces
Technical Specifications
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Frequency Range: 516–558 MHz (A band)
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Receiver Type: Portable belt-pack IEM receiver
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Signal-to-Noise Ratio: Typically above 90 dB
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Output: 3.5 mm headphone jack
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Display: Backlit LCD with menu navigation
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Power Source: 2 × AA batteries or Sennheiser rechargeable pack
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Operating Time: Up to ~8 hours (AA batteries)
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Housing: Metal bodypack
