Sennheiser EW-IEM-G4-TWIN-B In-Ear Personal Monitoring System

Double Wireless In Ear Monitor Set (628.000-668.000 MHz) 
 

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 feet
• High RF output power (up to 30 mW) depending on country regulations

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 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 

EK IEM G4

• Dimensions Approx. 82 x 64 x 24 mm 
• Compander Sennheiser HDX 
• THD, total harmonic distortion ≤ 0.9 % 

What's in the box?

• SR IEM G4 stereo transmitter
• 2 EK IEM G4 stereo receiver
• 2 IE 4 earphones
• 4 AA batteries
• rod antenna
• GA 3 rackmount set