Evolution Wireless G4 500 series is Sennheiser’s top analogue G4 platform, offering 88 MHz switching bandwidth, auto frequency scan with sync, transmitter mute switch, EQ, and ethernet remote control on the EM 500 G4 receiver. This set ships as a complete vocal radio mic system with handheld transmitter, rack receiver, PSU and rackmount hardware. Band variant: GBW, 606 – 648 MHz (UK CH38 and 40). CH38 operation is covered by an Ofcom shared PMSE licence; above 630 MHz requires a coordinated licence.
Key Features
✓Top-of-range analogue UHF G4 system with up to 88 MHz switching bandwidth
✓32 frequency banks including 6 user banks with up to 32 compatible channels each
✓Transmitter mute switch and detailed backlit display
✓True-diversity half-rack metal receiver with EQ, auto-lock and ethernet remote
✓Balanced XLR and unbalanced 6.3 mm jack outputs on the receiver
✓UK band GBW: 606 – 648 MHz (UK CH38 and 40)
✓e945 capsule: supercardioid dynamic vocal capsule with high gain before feedback
✓Switching bandwidth: up to 72 MHz
✓Battery runtime: Typically 8 h
Specifications
| EM 300-500 G4 – General: Modulation | Wideband FM |
| EM 300-500 G4 – General | Frequency ranges |
| EM 300-500 G4 – General: AS | 520 – 558 MHz |
| EM 300-500 G4 – General: Gw1 | 558 – 608 MHz |
| EM 300-500 G4 – General: Gw | 558 – 626 MHz |
| EM 300-500 G4 – General: GBw | 606 – 678 MHz |
| EM 300-500 G4 – General: Bw | 626 – 698 MHz |
| EM 300-500 G4 – General: Cw | 718 – 790 MHz |
| EM 300-500 G4 – General: Dw | 790 – 865 MHz |
| EM 300-500 G4 – General: JB | 806 – 810 MHz |
| EM 300-500 G4 – General: K+ | 925 – 937.5 MHz |
| EM 300-500 G4 – General: Switching | bandwidth up to 72 MHz |
| EM 300-500 G4 РGeneral: Nominal/peak deviation | ±24 kHz / ±48 kHz |
| EM 300-500 G4 – General: Receiver principle | True diversity |
| EM 300-500 G4 – General: Sensitivity (with HDX, peak deviation) | < 2.5 μV for 52 dBA eff S/N |
| EM 300-500 G4 – General: Adjacent channel selection | Typically ≥ 75 dB |
| EM 300-500 G4 – General: Intermodulation attenuation | Typically ≥ 70 dB |
| EM 300-500 G4 – General: Blocking | ≥ 75 dB |
| EM 300-500 G4 – General: Squelch | 5 to 25 dBμV in steps of 2 dB |
| EM 300-500 G4 – General: Pilot tone squelch | Can be switched off |
| EM 300-500 G4 – General: Antenna inputs | 2 BNC sockets |
| EM 300-500 G4 – General: Compander system | Sennheiser HDX |
| EM 300-500 G4 – General: Preset 2 | Low Cut (-3 dB at 180 Hz) |
| EM 300-500 G4 – General: Preset 3 | Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) |
| EM 300-500 G4 – General: Preset 4 | High Boost (+6 dB at 10 kHz) |
| EM 300-500 G4 – General: Signal-to-noise ratio (1 mV, peak deviation) | ≥ 115 dBA |
| EM 300-500 G4 – General: Total harmonic distortion (THD) | <= 0.9 % |
| EM 300-500 G4 – General: AF output voltage (at peak deviation, 1 kHz AF) | 6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu |
| Sennheiser part number | 509977 |
| UK band | GBW (606 – 648 MHz (UK CH38 and 40)) |
