Sennheiser EW-DX simplifies your professional workflow by utilizing refined technologies to deliver a digital UHF system that can be scaled with ease. With its advanced feature set and hardware options, classrooms, corporate campuses, and live performance productions benefit from a network-ready system that is designed to integrate seamlessly. AutoScan quickly assesses your environment and uses equidistant channel spacing to deploy frequencies while tools like Sennheiser’s Control Cockpit, Wireless Systems Manager, and Smart Assist App allow you to monitor your system remotely.
Features
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Two-channel digital half rack (9.5") in rugged metal housing
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Up to 88 MHz switching bandwidth
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Low latency of 1.9 ms wireless transmission thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
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134 dB input dynamic range - no need to set gain on your wireless transmitters at all, thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
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Equidistant channel spacing to easily allocate intermodulation-free channels: Standard Mode with 600 kHz spacing for up to 146 channels; Link Density (LD) Mode with 300 kHz spacing for up to 293 channels
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Network enabled for expanded remote control with Sennheiser Control Cockpit, Wireless System Manager and 3rd party media control systems via plug-in
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Power over Ethernet (PoE IEEE 802.3af Class 3)
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Ethernet connectivity (IPv4 and IPv6)
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Secure transmission of confidential content using AES 256 encryption
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AutoScan-feature quickly scans your environment and deploys frequencies with equidistant channel spacing - even without RF knowledge
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Link Quality Indicator (LQI) showing the quality of the links separate to the RF levels
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Remote control via Smart Assist App over Bluetooth® Low Energy (BLE) at distances up to 25 meters
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Clear and easy focused user interface with OLED display, jog wheel navigation and control buttons
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Selective headphone output with volume control on front panel
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Extended menu settings such as custom frequency list, selectable sync parameter and walk test
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External PSU 12V/1A
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Worldwide usage (specific frequencies subject to local RF regulations)
Top Specs
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Dimensions
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212 x 44 x 189 mm
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Weight
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Approx. 1000 g (without antennas and power supply)
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Audio Output
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2 × 70 mW @ 32 Ω
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Power Consumption
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Max. 12 W
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Tech Specs
Product
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Specification
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Value
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Total harmonic distortion (THD)
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≤ -60 dB for 1 kHz @ -3 dBfs input level
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Latency
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1.9 ms
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Frequency Specifications
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Specification
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Value
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Audio frequency response
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20 Hz – 20 kHz (-3 dB) @ 3 dBfs
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Acoustic Properties
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Specification
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Value
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Dynamic range
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> 134 dB
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Audio output level
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18 dBu max.
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Connectivity
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Specification
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Value
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Connection
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Wireless
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Inputs/Outputs
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Specification
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Value
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Audio output
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2 × 70 mW @ 32 Ω
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Ambient Conditions
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Specification
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Value
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Operating relative humidity
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5 – 95 % (non-condensing)
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Operating temperature
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-10 °C – +50 °C (14 °F – 122 °F)
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Battery & Power
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Specification
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Value
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Battery included
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No
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Power consumption
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Max. 12 W
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Charging current
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≤ 1 A
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Electrical Properties
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Specification
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Value
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Input voltage
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11 – 13 V ⎓ or PoE IEEE 802.3af Class 0 (CAT5e or higher)
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Transmission power
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BLE: max. 10 mW EIRP
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Dimensions
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Specification
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Value
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Dimensions
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212 x 44 x 189 mm
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Product height
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73 mm
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Product width
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350 mm
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Product length
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405 mm
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Product weight
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Approx. 1000 g (without antennas and power supply)
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Bluetooth
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Specification
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Value
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Bluetooth transmission frequency
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2402 – 2480 MHz
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EW‑DX EM 2 (Q1‑9) – Premium Digital Receiver for Stage and Conference Systems
EW‑DX EM 2 (Q1‑9) is a 2-channel rackmount receiver from the Sennheiser EW‑DX wireless microphone system, operating in the Q1‑9 frequency range (470.2 – 550 MHz). This receiver offers management of up to 293 simultaneous channels, AES‑256 encryption, ultra-low latency of just 1.9 ms, and PoE support via Ethernet. It is the perfect choice for professional digital microphone systems in high-end conferences and stage performances.
Superior Audio Quality for Professional Applications
- Wide frequency response: 20 Hz – 20 kHz with 134 dB dynamic range.
- Extremely low total harmonic distortion (THD ≤ -60 dB) for pristine audio reproduction.
- SePAC codec technology reduces latency to just 1.9 ms – ideal for live performances and conferences.
Advanced Frequency System and Maximum Interference Protection
- Q1‑9 band (470.2 – 550 MHz) with a broad 88 MHz bandwidth.
- Two operating modes:
- Standard (600 kHz): supports up to 146 channels.
- Link Density (300 kHz): supports up to 293 channels.
- AutoScan and Equidistant spacing features automatically detect clean frequencies to minimize RF interference.
Smart Management Integration and Modern Connectivity
- Supports Ethernet IPv4/IPv6 with PoE (IEEE 802.3af) power supply.
- Remote control options:
- Sennheiser Control Cockpit software.
- Wireless Systems Manager application.
- Mobile app Smart Assist (Bluetooth LE, 25 m range).
- Intuitive OLED display and jog wheel for seamless navigation.
Robust Design Optimized for Installation and Deployment
- Compact dimensions (212 × 44 × 189 mm), weight 1.0 kg – half-rack 9.5" format.
- Durable all-metal housing for long-term reliability.
- Included accessories: rod antennas, GA 3 rackmount kit, and international power supply.
Conclusion
EW‑DX EM 2 (Q1‑9) delivers the perfect balance of audio excellence, advanced management, and rugged design. It is a premium investment for Sennheiser wireless systems, offering an optimal experience for professional users.
Buy EW‑DX EM 2 (Q1‑9) at Hoang Bao Khoa – Genuine, Fast Delivery, Warranty
Hoang Bao Khoa is Sennheiser’s official distributor in Vietnam, ensuring customers receive top-quality products and excellent after-sales support:
- 100% genuine Sennheiser products with full CO, CQ, and VAT invoices.
- Stock available for nationwide fast delivery.
- 1:1 replacement within 48 hours for manufacturer defects.
- 24-month official warranty for peace of mind.
- Experienced consultants providing setup assistance and system optimization for professional audio installations.