The SKM 100 G4 is Sennheiser’s entry-level Evolution Wireless G4 handheld transmitter supplied on its own, without a microphone capsule. It is the transmitter you buy when you need a spare, a replacement, or an extra handheld for an existing EW G4 receiver. Band variant: GB, 606-648 MHz. UK CH38 use is covered by the Ofcom Shared PMSE licence.
Note, transmitter only, no capsuleThis is the SKM 100 G4 handheld transmitter body only. It does not include a mic capsule or a receiver. Add a compatible Sennheiser MMD/MMK/MME capsule head to complete it, and pair with any EW G3 or G4 receiver in the matching GB band.
Key Features
Handheld UHF transmitter with threaded capsule interface
All-metal handheld body
1680 selectable UHF frequencies
IR one-button sync from an EW 100 G4 receiver
HDX compander
Runs on 2× AA batteries, approx. 8 hours
Compatible with Sennheiser MMD/MMK/MME capsule heads
UK band GB, 606-648 MHz, Channel 38 via Ofcom Shared PMSE licence
Specifications
| Series | Sennheiser Evolution Wireless 100 G4 |
| Type | Handheld transmitter (no capsule) |
| Model | SKM 100 G4 |
| Capsule interface | Sennheiser MMD/MMK/MME thread-on |
| UK band | GB, 606-648 MHz (Channel 38 via Ofcom Shared PMSE licence) |
| Switching bandwidth | up to 42 MHz |
| Selectable frequencies | 1680 |
| Modulation | Wideband FM |
| Compander system | Sennheiser HDX |
| RF output power | Max. 30 mW |
| Power | 2× AA alkaline (or BA 2015 accupack) |
| Runtime | approx. 8 hours on alkaline AA |
| Transmission range | Up to 100 m |
| Compatible channels | Up to 20 |
| Dimensions | Approx. Ø 50 x 265 mm |
| Weight | 450 g |
| In the box | SKM 100 G4 handheld transmitter (capsule sold separately), MZQ 1 microphone clip, 2× AA batteries, quick guide, safety guide, manufacturer declaration sheet |
| Operating temperature | −10 °C to +55 °C |





















