Full control over your performance – everywhere, every day. The G4 In-Ear Monitoring Sets make your gig an extraordinary experience – not just for your audience, but also for you!

• 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 feet
• High RF output power (up to 50 mW) depending on country regulations

SR IEM G4

• Frequency Range:  GB: 606 - 648 MHz
• 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 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

• SR IEM G4 Stereo Transmitter
• 2 EK IEM G4 Stereo Receiver
• 2 IE 4 Earphones
• 4 AA Batteries
• Rod Antenna
• GA 3 Rackmount Set
• Quick Guide
• Safety Guide
• Manufacturer Declaration Sheet
• Power Supply