Rated 4.9 (123 reviews)
Evolution Wireless G4 IEM is Sennheiser’s analogue UHF in-ear monitoring platform, with 42 MHz switching bandwidth, HDX compander, and an adaptive-diversity bodypack receiver. This set ships as a complete in-ear monitoring system with rack-mount transmitter, bodypack receiver, earphones and accessories. Band variant: GB, 606-648 MHz (includes UK CH38). Requires an Ofcom shared PMSE licence in the UK.
UK Frequency & LicensingGB band tunes across 606-648 MHz. UK channel 38 (606-614 MHz) is available under an Ofcom Shared PMSE licence; the rest of the range needs a coordinated PMSE licence. Other EW G4 IEM band variants exist (A, AS, G, B, C, D, E) for users holding coordinated PMSE licences in different sub-bands, contact us if you need a different variant.
Key Features
Analogue UHF in-ear monitoring system
1680 selectable UHF frequencies across a 42 MHz tuning range
HDX compander for low noise floor on in-ear feeds
Auto-scan on the transmitter with one-button sync to the bodypack receiver
Adaptive-diversity bodypack receiver with backlit display and focus/stereo modes
UK band GB: 606-648 MHz (includes UK CH38)
Switching bandwidth up to 42 MHz
Audio frequency response 25 Hz-15 kHz
Specifications
| RF carrier range | 606-648 MHz (GB band, includes UK CH38) |
| Switching bandwidth | up to 42 MHz |
| Modulation | Wideband FM stereo (MPX pilot tone) |
| Nominal / peak deviation | ±24 kHz / ±48 kHz |
| MPX pilot tone | 19 kHz / ±5 kHz |
| Frequency stability | ±10 ppm |
| RF output power (standard) | typ. 30 mW |
| RF output power (high) | typ. 50 mW |
| Antenna output | BNC socket, 50 Ω |
| Compander system | Sennheiser HDX |
| AF frequency response | 25 Hz-15 kHz |
| AF inputs | 2× XLR-3 / ¼” (6.3 mm) combo, electronically balanced |
| Max. input level | +22 dBu |
| AF loop output | ¼” (6.3 mm) stereo jack, balanced |
| Total harmonic distortion (THD) | < 0.9 % |
| Signal-to-noise ratio | > 90 dB |
| Power supply | 12 V DC |
| Current consumption | max. 350 mA |
| Operating temperature | −10 °C to +55 °C |
| Sennheiser part number | 509908 |
