The Sennheiser EW-D SKM-S BASE Q1-6 is a core digital wireless system package providing a handheld transmitter body and a rackmount receiver, operating in the Q1-6 frequency band (470 to 526 MHz). This "BASE" set is sold without a microphone capsule, offering maximum flexibility for audio professionals to select and attach their preferred Sennheiser or third-party capsule. The handheld transmitter body features a durable metal construction, an integrated mute switch for instant audio silencing, and an OLED display for clear status feedback. This configuration is ideal for rental companies, sound engineers, and performers who already own a collection of capsules or need to tailor the microphone to specific vocal characteristics.

The system leverages the high-performance EW-DX platform, delivering 24-bit/48 kHz digital audio transmission with ultra-low latency and 128-bit AES encryption. The included receiver features Intelligent Antenna Diversity for robust RF performance. This package provides a cost-effective and versatile entry into professional digital wireless, allowing users to build a system around their existing microphone investments while benefiting from the latest in wireless technology.