IEM Series

- Half-rack stereo transmitter in an all-metal housing with OLED display for full control
- Improved, easier and faster wireless synchronization between transmitter and receiver via new infrared backlit IR area that makes it more obvious where to hold the components for fast sync
- 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 / 330 feet
- High RF output power (up to 50 mW, adjustable in three steps – 10/30/50) depending on country regulations
- EK IEM G4 Stereo Bodypack Receiver
- 1 x Pair of IE 4 Earphones
- Up to 16 Compatible Channels
- 42 MHz Bandwidth
Sennheiser EK IEM G4-G Specs
| Frequency Band | 748.2 to 757.8 MHz |
| Receiving Frequency | Maximum 1680 receiving frequencies, adjustable in 25 MHz 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 Type | Adaptive diversity |
| Sensitivity | < 4 μV, typ. 1.6 μV for 52 dBA (with HDX, peak deviation) rms s/n |
| Adjacent Channel Selectivity | Typically ≥ 65 dB |
| Intermodulation Attenuation | Typically ≥ 70 dB |
| Blocking | ≥ 80 dB |
| Pilot Tone | Squelch: Can be switched off |
| Squelch | 5 to 25 dBµV, adjustable in steps of 2 dB |
| Compander | Sennheiser HDX |
| Signal to Noise Ratio | Approximately 90 dBA (1 mV, peak deviation) |
| Total Harmonic Distortion (THD) | ≤ 0.9% |
| Audio Output Power | 2 x 100 mW at 32 Ohms (@ 2.4 V, 5% THD, nominal deviation) |
| Quality Setting Range | +8 dB at 80 kHz |
| Limiter | -18 dB to -6 dB, adjustable in steps of 6 dB, can be switched off |
| Temperature Range | 14 to 131°F / -10 to 55°C |
| Power Supply | 2 x AA batteries, 1.5 V or BA 2015 accupack |
| Current Consumption | At Nominal Voltage: Approximately 140 mA With Transmitter Switched Off: ≤ 25 µA |
| Operating Time | Approximately 4 to 6 hours (depending on volume level) |
| Dimensions (W x L x H) | 3.2 x 2.5 x 0.9″ / 82 x 64 x 24 mm |
| Weight | 4.4 oz / 125 g |
| Package Weight | 0.755 lb |
| Box Dimensions (LxWxH) | 14 x 3.25 x 2.85″ |






