Sennheiser EW-DX SK / SKM-S Base Set (Q1-9) Dual Digital Wireless Combo Base System
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The Sennheiser EW-DX SK / SKM-S Base Set (Q1-9) is a modular, professional dual-channel digital wireless base package designed for corporate presenters, higher education institutions, broadcast studios, and live performance venues operating in the Q1-9 Frequency Spectrum (470.2 – 550.0 MHz). Engineered for complete acoustic customization, this base combo set includes the EW-DX EM 2 half-rack two-channel receiver, one EW-DX SK bodypack transmitter (with a locking 3.5 mm jack), one EW-DX SKM-S handheld transmitter (with a programmable mute switch), and two BA 70 rechargeable batteries—allowing audio engineers to choose their own preferred lavaliers, headsets, and mic capsules. Powered by Sennheiser’s proprietary SePAC audio codec, the system features a massive 134 dB input dynamic range, ultra-low 1.9 ms latency, AES-256 encryption, and persistent E-Ink displays on both transmitters. Networkable and controllable via Sennheiser Control Cockpit and WSM, this flexible base set is available now at WG Electronic with fast UAE delivery.
Customizable Dual Digital Wireless System: Sennheiser EW-DX SK / SKM-S Base Set (Q1-9)
The Sennheiser EW-DX SK / SKM-S Base Set (Q1-9) delivers ultimate configuration freedom for sound engineers and system integrators who require both bodypack and handheld wireless channels without being tied to pre-packaged microphone capsules. Purpose-built for corporate boardrooms, university auditoriums, broadcast facilities, and rental houses, this versatile base system provides the entire digital wireless core infrastructure while letting you attach the exact lavaliers, headmics, or vocal capsules your application demands.
Operating across the clean Q1-9 Frequency Band (470.2 – 550.0 MHz), this modular system from our Sennheiser evolution wireless series catalog features an expansive 88 MHz switching bandwidth. Sennheiser’s intermodulation-free equidistant channel grid allows effortless high-density channel allocation—supporting up to 146 channels in Standard Mode (600 kHz spacing) and up to 293 channels in Link Density Mode (300 kHz spacing) without complex RF coordination.
Key Features & Pro-Level Advantages
- Complete Modular Base Package: Includes 1x EW-DX EM 2 dual-channel rack receiver, 1x EW-DX SK bodypack transmitter, 1x EW-DX SKM-S handheld transmitter (with programmable mute switch), and 2x BA 70 rechargeable lithium-ion battery packs. (Microphone capsules, lavaliers, and headsets sold separately).
- Maximum Microphone Versatility: The SKM-S handheld transmitter features Sennheiser’s standard capsule interface to accept dynamic and condenser capsules (Sennheiser MMD/MMK series, Neumann KK series), while the SK bodypack features a locking 3.5 mm connector for lavaliers, headsets, or guitar cables.
- 134 dB Input Dynamic Range: Driven by the Sennheiser Performance Audio Codec (SePAC), the system handles extreme volume fluctuations without input clipping or needing gain adjustment on the transmitters.
- Q1-9 Frequency Range (470.2 – 550.0 MHz): Offers up to 88 MHz switching bandwidth with equidistant frequency spacing for seamless multi-channel deployment in congested UHF environments.
- Persistent “Always-On” E-Ink Displays: Transmitters incorporate energy-efficient E-Ink screens that display channel name and frequency even when powered off or when batteries are removed.
- AES-256 Networked Encryption: Military-grade encryption safeguards sensitive corporate presentations, boardroom meetings, and live broadcasts against unauthorized interception.
- Centralized Network & App Management: Onboard Ethernet port enables remote control, frequency coordination, and monitoring via Sennheiser Control Cockpit and Wireless Systems Manager (WSM), along with Bluetooth LE sync via the Smart Assist App.
- Long Battery Operation & In-Device Charging: Delivers up to 12 hours of continuous operation using the included BA 70 rechargeable batteries, with external charging contacts for in-device charging via optional CHG 70N chargers.
Key Technical Specifications
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System Type: Professional Dual-Channel Digital Wireless Combo Base System (Bodypack + Handheld)
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Frequency Range: Band Q1-9 (470.200 – 550.000 MHz)
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Switching Bandwidth: Up to 88 MHz
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System Dynamic Range: 134 dB
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System Latency: 1.9 ms
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Encryption: AES-256
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Microphones Included: None (Capsules, Lavaliers, and Headsets Sold Separately)
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Handheld Capsule Interface: Sennheiser Standard Capsule Connector (Compatible with MMD/MMK/Neumann capsules)
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Bodypack Audio Connector: Locking 3.5 mm TRS Jack Socket
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Receiver Form Factor: Half-Rack 19″ / 1U (GA 3 Rackmount Kit Included)
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Audio Outputs: 2x Balanced XLR Male + 2x Unbalanced 1/4″ (6.3 mm) TS Jacks
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Transmitter Displays: Persistent E-Ink Display + OLED Menu Display
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Power Supply / Batteries: 2x BA 70 Li-Ion Rechargeable Battery Packs (Included) or 2x AA Batteries per transmitter
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Operating Time: Up to 12 Hours (with BA 70 Li-Ion Battery)
Compatibility & System Integration
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Handheld Capsule Compatibility: The EW-DX SKM-S handheld accepts all standard Sennheiser interchangeable capsules, including MMD 835, MMD 845, MMD 935, MMD 945, MM 435, MMK 965, and Neumann KK 204 / KK 205 condenser heads.
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Bodypack Microphone & Cable Compatibility: The EW-DX SK bodypack with a 3.5 mm locking connector pairs directly with Sennheiser clip-on lavaliers (MKE 2, MKE 1, ME 2, ME 4), headset microphones (SL Headmic 1, HSP 2, HSP 4), and CI 1 instrument cables.
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Rack & Network Infrastructure: The EW-DX EM 2 receiver integrates into standard 19″ rack setups with the included GA 3 kit, connecting to active directional antennas (Sennheiser ADP UHF), antenna splitters (EW-D ASA), and audio networks via Ethernet.
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Charging Stations: Charge transmitters directly without removing the included BA 70 batteries using the Sennheiser CHG 70N network charging station or L 70 USB charger.
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Box Contents: 1x EW-DX EM 2 rack receiver, 1x EW-DX SK bodypack transmitter, 1x EW-DX SKM-S handheld transmitter, 2x BA 70 rechargeable batteries, 2x AA batteries, 1x MZQ 1 mic clip, 2x rod antennas, GA 3 rackmount kit, and NT 12-5 CW power supply.
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System Expansion: Browse compatible mic capsules, bodypack headsets, charging stations, and active antenna splitters on our dedicated Sennheiser Brand Store.
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