SENNHEISER EW-DX SK / SKM-S BASE SET (Q1-9)

Live sound engineers and presenters often struggle with wireless systems that suffer from interference, limited channel counts, and complex setup. The Sennheiser EW-DX SK / SKM-S Base Set eliminates these pain points with a professional digital wireless microphone system that delivers pristine audio, robust RF performance, and effortless configuration. Operating in the Q1-9 frequency band (470.2 - 550 MHz), this set includes a dual-channel half-rack receiver, a bodypack transmitter, and a handheld transmitter with an MMD 835 capsule, providing a complete solution for vocals, speech, and instrument applications.

Who is it for

This system is ideal for touring musicians, corporate AV teams, houses of worship, and broadcast studios that demand reliable, high-quality wireless audio. It suits both entry-level professionals and seasoned engineers who need a scalable, network-ready system with low latency and secure transmission.

Main features

• Digital transmission with Sennheiser Performance Audio Codec for crystal-clear sound
• Ultra-low latency of 1.9 ms for real-time monitoring and performance
• 134 dB dynamic range for distortion-free audio even at high SPL
• AES 256 encryption for secure, interference-resistant communication
• Up to 134 channels in 88 MHz switching bandwidth for flexible frequency coordination
• Ethernet connectivity with Sennheiser Control Cockpit and Smart Assist App for remote management
• OLED displays on receiver and transmitters for intuitive status monitoring
• Includes rechargeable BA 70 batteries and rackmount kit for professional installation

Specifications

• System Type: Digital Wireless Microphone System
• Frequency Band: Q1-9 (470.2 - 550 MHz)
• Switching Bandwidth: 88 MHz
• Number of Channels: Up to 134
• Latency: 1.9 ms
• Dynamic Range: 134 dB
• Audio Frequency Response: 20 Hz - 20 kHz
• Encryption: AES 256
• Receiver Type: EW-DX EM 2 Dual-Channel Half-Rack Receiver
• Transmitter 1: EW-DX SK Bodypack Transmitter
• Transmitter 2: EW-DX SKM-S Handheld Transmitter with MMD 835 Capsule
• RF Output Power: 10 mW
• Battery Life: Up to 12 hours (with BA 70 rechargeable battery)
• Receiver Outputs: 2x XLR (balanced), 1x 6.3mm Jack (unbalanced)
• Network Control: Ethernet (Sennheiser Control Cockpit, Smart Assist App)
• Display Type: OLED
• Included Accessories: Rackmount kit, power supply, 2x rod antennas, 2x BA 70 rechargeable batteries, 2x MZQ 1 mic clips
• Simultaneous Systems: Up to 12 (in 6 MHz TV channel) / 20 (in 8 MHz TV channel)
• Modulation: Digital (Sennheiser Performance Audio Codec)

Tips

For optimal performance, use the Sennheiser Control Cockpit software to scan for clean frequencies and coordinate multiple systems. The BA 70 rechargeable batteries provide up to 12 hours of operation, but always keep a spare set charged for long events. When rack-mounting the receiver, ensure proper ventilation and use the included antennas for maximum range.