Sennheiser EW IEM G4 Wireless In-Ear Monitor System (Band A1)

• 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

What's In The Box

• SR IEM G4 stereo transmitter
• EK IEM G4 stereo receiver
• IE 4 earphones
• 2 AA batteries
• rod antenna
• GA 3 rackmount set
• quick guide
• safety guide
• manufacturer declaration sheet
• power supply
• Technical Data

SR IEM G4

• Frequency range : A1 : 470 - 516 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 
• 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 receiving 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