Sennheiser EW IEM G4-GB In-Ear Monitoring System Inc Earphones CH38 (GB: 606 – 648 MHz)

• 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 – General

• Modulation: Wideband FM stereo (MPX pilot tone)
• Frequency ranges available with this product
  • A1: 470 – 516 MHz
  • A: 516 – 558 MHz
  • AS: 520 – 558 MHz
  • G: 566 – 608 MHz
  • GB: 606 – 648 MHz
  • B: 626 – 668 MHz
  • C: 734 – 776 MHz
  • D: 780 – 822 MHz
  • E: 823 – 865 MHz
• Receiving frequencies
• 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
• Switching bandwidth: up to 42 MHz
• Nominal/peak deviation: ±24 kHz / ±48 kHz
• MPX pilot tone (frequency/deviation): 19 kHz/±5 kHz
• Frequency stability: ±10 ppm
• Antenna output: BNC socket, 50 Ω
• RF output power at 50 Ω switchable:
  • Low: typ. 10 mW
  • Standard: typ. 30 mW
  • High: typ. 50 mW
• Compander system: Sennheiser HDX
• AF frequency response: 25 Hz to 15 kHz
• AF input BAL AF IN L (I) + MONO/ BAL AF IN R (II): 2x XLR-3/¼” (6.3 mm) jack combo socket, electronically balanced
• Max. input level: +22 dBu
• Total harmonic distortion (THD): <0.9 %
• Signal-to-noise ratio (at nominal load and peak deviation): >90 dB
• AF output LOOP OUT BAL L (I)/ LOOP OUT BAL R (II): ¼” (6.3 mm) stereo jack socket, balanced
• Temperature range: -10 °C to +55 °C
• Power supply: 12 V DC
• Current consumption: max. 350 mA

SR IEM G4 – Physical & Dimensions

• Height: 43mm
• Width: 212mm
• Depth: 202mm
• Weight: 980g

EK IEM G4 – General

• Modulation: Wideband FM
• Frequency ranges
  • A1: 470 – 516 MHz
  • A: 516 – 558 MHz
  • AS: 520 – 558 MHz
  • G: 566 – 608 MHz
  • GB: 606 – 648 MHz
  • B: 626 – 668 MHz
  • C: 734 – 776 MHz
  • D: 780 – 822 MHz
  • E: 823 – 865 MHz
• Receiving frequencies
• 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
• Switching bandwidth: up to 42 MHz
• Nominal/peak deviation: ±24 kHz / ±48 kHz
• Receiver principle: Adaptive diversity
• Sensitivity (with HDX, peak deviation): < 4 μV, typ. 1.6 μV for 52 dBA rms S/N
• Adjacent channel selection: Typically ≥ 65 dB
• Intermodulation attenuation: Typically ≥ 70 dB
• Blocking: ≥ 80 dB
• Squelch: 5 to 25 dBμV, adjustable in steps of 2 dB
• Pilot tone squelch: Can be switched off
• Compander system: Sennheiser HDX
• Signal-to-noise ratio (1 mV, peak deviation): approx. 90 dBA
• Total harmonic distortion (THD): ≤ 0.9 %
• Output power at 2.4 V,  5 % THD, nominal deviation: 2 x 100 mW at 32 Ω
• High Boost: +8 dB at 80 kHz
• Limiter: –18 dB to –6 dB, adjustable in steps of 6 dB, can be switched off
• Temperature range: -10 °C to +55 °C
• Power supply: 2 AA batteries, 1.5 V or BA 2015 accupack
• Nominal voltage: 3 V battery / 2.4 V rechargeable battery
• Current consumption: at nominal voltage: approx. 140 mA with transmitter switched off: ≤ 25 μA
• Operating time: approx. 4 to 6 hours (depending on volume level)

EK IEM G4 – Physical & Dimensions

• Height: 82mm
• Width: 64mm
• Depth: 24mm
• Weight: 125g