The SKP 100 G4 Plug-On Transmitter for Dynamic Microphones from Sennheiser is the latest addition to their evolution family of wireless microphones and is fully compatible with all previous series. Featuring an updated high-contrast LCD display, blue sync LED, and a dedicated escape button, it can be used when paired with a dynamic microphone and portable receiver (sold separately) for capturing audio in live sound, broadcast, film, business, and educational applications.