The Sennheiser SKM 100 G4-S is a versatile handheld wireless transmitter designed to pair seamlessly with the EM 100 G4 receiver. Built with an interchangeable microphone capsule design, it gives you the freedom to choose the perfect capsule for your unique sound—tailoring it to any application. Constructed from durable all-metal housing, the SKM 100 G4-S is built to withstand the demands of live performances. Whether you're a musician, speaker, or performer, the Sennheiser SKM 100 G4-S delivers exceptional audio quality, robust reliability, and the freedom of wireless performance—empowering you to take the stage with confidence. Features Your choice of Sennheiser‘s renowned e 835, e 845, e 865, e 935, e 945 capsules Easy and flexible wireless synchronization between transmitter and receiver via infrared Fast frequency allocation for up to 12 receivers via new linking functionality Up to 20 compatible channels Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range Transmission Range: up to 100 meters / 300 feet High RF output power (up to 30 mW) depending on country regulations Specifications Wireless Technology: Analog UHF Max Operating Range: 330' / 100.6 m Included Transmitters: 1x Handheld System Wireless Technology: Analog UHF RF Frequency Band: A: 516 to 558 MHz Max Operating Range: 330' / 100.6 m Encryption: No Built-In Recorder: No Timecode Support: No Mobile App Compatible: No Transmitter Included Transmitters: 1x Handheld RF Output Power: 30 mW Antenna: Internal Input Level: Microphone Audio I/O: No Bias/Plug-In & Phantom Power: Bias/Plug-In Power is Unspecified by Manufacturer, No Phantom Support USB I/O: No Muting: Mute Switch Gain Range: 48 dB (6 dB Steps) Auto-Level/Gain: No Frequency Response: 80 Hz to 18 kHz Sync Method: IR Display: Backlit LCD Power Transmitter Battery Type: 2x AA (Included) or 1x Sennheiser Battery Pack (Not Included) Transmitter Battery Life: 8 Hours (Alkaline) Physical Housing: Metal Dimensions: 2 x 10.4 / 50 x 265 mm Weight: 15.9 oz / 450 g (without Batteries)