About this Item:

The Sennheiser EW IEM G4-TWIN-A is a professional-grade wireless in-ear monitoring system designed for live performances and stage applications. It includes a robust half-rack stereo transmitter and two bodypack receivers, each paired with IE 4 in-ear headphones, delivering clear and reliable audio across the frequency spectrum. With an intuitive OLED display and infrared synchronization, this system offers seamless setup and control for performers.

Specifications:

• System:

  • Frequency Range: A band (516 – 558 MHz)

  • Switching Bandwidth: Up to 42 MHz

  • Selectable Frequencies: 1680, adjustable in 25 kHz steps

  • Frequency Banks: 20 fixed, 6 programmable, each with up to 16 channels

  • Transmission Range: Up to 100 meters (300 feet)

  • Modulation: Wideband FM stereo (MPX pilot tone)

  • Compander: Sennheiser HDX

  • Signal-to-Noise Ratio: >90 dB

  • Total Harmonic Distortion (THD): ≤ 0.9%

• Transmitter (SR IEM G4):

  • Audio Inputs: 2 x XLR-3/¼" (6.3 mm) combo sockets, electronically balanced

  • Audio Output: ¼" (6.3 mm) stereo jack socket, balanced

  • RF Output Power: Switchable (Low: 10 mW, Standard: 30 mW, High: 50 mW)

  • Frequency Response: 25 Hz to 15 kHz

  • Power Supply: 12 V DC

  • Current Consumption: Max. 350 mA

  • Dimensions: Approx. 202 x 212 x 43 mm

  • Weight: Approx. 980 g

• Receiver (EK IEM G4):

  • Receiver Principle: Adaptive diversity

  • RF Sensitivity: < 4 μV, typically 1.6 μV for 52 dBA rms S/N

  • Audio Output Power: 2 x 100 mW at 32 Ω

  • Limiter: Adjustable from –18 dB to –6 dB in 6 dB steps, can be switched off

  • Bass Boost: +8 dB at 8 kHz

  • Power Supply: 2 x AA batteries (1.5 V) or BA 2015 accupack

  • Operating Time: Approximately 4 to 6 hours (depending on volume level)

  • Dimensions: Approx. 82 x 64 x 24 mm

  • Weight (including batteries): Approx. 125 g

• Earphones (IE 4):

  • Frequency Response: 40 Hz to 20 kHz

  • Sound Pressure Level (SPL): 118 dB SPL maximum

  • Impedance: 32 Ω

  • Connector: 1/8" (3.5 mm) gold-plated

  • Cable Length: 1.4 m

• Additional Features:

  • Infrared synchronization between transmitter and receivers

  • OLED display for full control

  • Compatible with Sennheiser WSM control software for flexible frequency allocation

  • Robust metal housing for durability

  • Operating Temperature Range: -10 °C to +55 °C

• What's in the Box:

  • 1 x SR IEM G4 stereo transmitter

  • 2 x EK IEM G4 stereo bodypack receivers

  • 2 x IE 4 earphones

  • 4 x AA batteries

  • 1 x Rod antenna

  • 1 x GA 3 rackmount set

  • 1 x Quick guide

  • 1 x Safety guide

  • 1 x Manufacturer declaration sheet

  • 1 x Power supply