Sennheiser EK IEM G4-A1 | Stereo Bodypack Receiver with IE4 Earphones | 1680 Frequencies, 42MHz

Wireless In-Ear Monitor Receiver

Sennheiser EK IEM G4-A1 is a professional-grade stereo bodypack receiver designed for wireless in-ear monitoring on live stages, in theaters, or during rehearsals. Engineered for dependable RF performance and premium audio clarity, it includes IE4 earphones and integrates easily into Sennheiser G4 wireless systems.

Sennheiser EK IEM G4-A1 Competitive Differences

• 1680 tunable UHF frequencies across 42MHz bandwidth
• Adaptive diversity reception for stable signal performance

Sennheiser EK IEM G4-A1 Description

The Sennheiser EK IEM G4-A1 provides clear stereo audio monitoring in a compact, robust metal housing. With its wide 42MHz tuning range and 1680 selectable frequencies, users can easily find clean channels for reliable RF transmission. The unit supports both factory-preset and user-programmable frequency banks, enabling flexible setup in challenging wireless environments. Its backlit menu-driven display provides essential information including RF/AF levels, battery status, and channel details, while the auto-lock feature prevents accidental setting changes. Designed for daily on-stage use, the receiver includes a high-boost setting and an adjustable limiter for personal audio customization. The EK IEM G4-A1 works seamlessly with Sennheiser transmitters and is compatible with WSM software for professional frequency coordination. Whether you're a musician, audio technician, or stage performer, this receiver ensures high-fidelity audio and reliable monitoring in demanding applications.

Model Features

• Stereo wireless bodypack receiver with IE4 earphones
• Up to 1680 UHF frequencies, tunable in 25kHz steps
• 20 preset banks + 6 user banks with 16 channels each
• Adaptive diversity for strong, interference-resistant reception
• Auto-lock, backlit display, and battery level metering
• Limiter and switchable high-boost for earphone output
• Rugged metal housing built for live stage environments

Model Specifications

• Frequency Band: A1 (470–516 MHz)
• Switching Bandwidth: Up to 42 MHz
• Receiving Frequencies: 1680, in 25 kHz steps
• Audio Output Power: 2 x 100 mW @ 32 Ohms
• Signal to Noise Ratio: Approx. 90 dBA
• THD: ≤ 0.9%
• Limiter: Adjustable from -18 dB to -6 dB (or off)
• Power Supply: 2 x AA 1.5V batteries or BA 2015 accupack
• Operating Time: Approx. 4–6 hours
• Dimensions: 3.2 x 2.5 x 0.9 in (82 x 64 x 24 mm)
• Weight: 4.4 oz (125 g)

What's In The Box

• EK IEM G4-A1 Bodypack Receiver
• IE4 Earphones
• 2 x AA Batteries
• Quick Start Guide