Evolution Wireless G4 100 series is Sennheiser’s analogue UHF workhorse platform for live sound, presentation and broadcast, with tunable frequencies across a wide bandwidth and true-diversity reception. This set ships as a complete lavalier radio mic system with bodypack transmitter, clip-on lav capsule, rack receiver, PSU and rackmount hardware. Band variant: 1G8, 1785 – 1800 MHz. Licence-exempt in the UK (1.8 GHz DECT band).
Key Features
✓Analogue UHF system with up to 42 MHz switching bandwidth
✓20 frequency banks, 12 of them with factory-preset compatible channels
✓Auto-scan with one-button remote sync from receiver to transmitter
✓True-diversity half-rack metal receiver with detachable BNC antennas
✓HDX compander for low noise floor and wide dynamic range
✓UK band 1G8: 1785 – 1800 MHz
✓ME4 capsule: cardioid condenser clip-on lavalier
✓RF output: Max. 30 mW
✓Switching bandwidth: up to 42 MHz
✓Battery runtime: 8 h
Specifications
| EM 100 G4 – General: Modulation | Wideband FM |
| EM 100 G4 – General | Frequency ranges |
| EM 100 G4 – General: A | 516 – 558 MHz |
| EM 100 G4 – General: AS | 520 – 558 MHz |
| EM 100 G4 – General: G | 566 – 608 MHz |
| EM 100 G4 – General: GB | 606 – 648 MHz |
| EM 100 G4 – General: B | 626 – 668 MHz |
| EM 100 G4 – General: C | 734 – 776 MHz |
| EM 100 G4 – General: D | 780 – 822 MHz |
| EM 100 G4 – General: E | 823 – 865 MHz |
| EM 100 G4 – General: JB | 806 – 810 MHz |
| EM 100 G4 – General: K+ | 925 – 937.5 MHz |
| EM 100 G4 – General: 1G8 | 1785 – 1800 MHz |
| EM 100 G4 – General: Switching bandwidth | up to 42 MHz |
| EM 100 G4 РGeneral: Nominal/peak deviation | ±24 kHz / ±48 kHz |
| EM 100 G4 – General: Receiver principle | True diversity |
| EM 100 G4 – General: Sensitivity (with HDX, peak deviation) | < 2.5 μV for 52 dBA eff S/N |
| EM 100 G4 – General: Adjacent channel selection | Typically ≥ 65 dB |
| EM 100 G4 – General: Intermodulation attenuation | Typically ≥ 65 dB |
| EM 100 G4 – General: Blocking | ≥ 70 dB |
| EM 100 G4 – General: middle | 15 dBμV |
| EM 100 G4 – General: high | 25 dBμV |
| EM 100 G4 – General: Pilot tone squelch | Can be switched off |
| EM 100 G4 – General: Antenna inputs | 2 BNC sockets |
| EM 100 G4 – General: Compander system | Sennheiser HDX |
| EM 100 G4 – General: Preset 2 | Low Cut (-3 dB at 180 Hz) |
| EM 100 G4 – General: Preset 3 | Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) |
| EM 100 G4 – General: Preset 4 | High Boost (+6 dB at 10 kHz) |
| Sennheiser part number | 509925 |
| UK band | 1G8 (1785 – 1800 MHz) |
