Sennheiser EW-DX simplifies your professional workflow by utilizing refined technologies and decades of research 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 productions benefit from a network-ready system that is designed to integrate seamlessly. The system 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. In-device charging, 12-hour battery operation, and switching bandwidth up to 88 MHz are only a few more of the many features that make EW-DX the right tool for the job.
Features
- Four-channel digital full rack (19") receiver with internal PSU and with Dante® in rugged metal housing
- Up to 88 MHz switching bandwidth
- Auto-switching PSU with IEC Connection
- Four network ports for flexible network configurations - each port can be assigend as: Control, Control + Dante® Prim, Control + Dante® Sec, Dante® Prim, Dante® Sec
- Integrated antenna splitter with antenna power and loop through to daisy chain up to 16 channels (4 x EW-DX EM 4)
- Low latency of 1.9 ms wireless transmission thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
- 134 dB input dynamic range - no need to set gain on your wireless transmitters at all, thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
- 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
- Network enabled for expanded remote control with Sennheiser Control Cockpit, Wireless System Manager and 3rd party media control systems via plug-in
- Ethernet connectivity (IPv4 and IPv6)
- Secure transmission of confidential content using AES 256 encryption
- AutoScan-feature quickly scans your environment and deploys frequencies with equidistant channel spacing - even without RF knowledge
- Link Quality Indicator (LQI) showing the quality of the links seperate to the RF levels
- Remote control via Smart Assist App over Bluetooth® Low Energy (BLE) at distances up to 25 meters
- Clear and easy focused user interface with OLED display, jog wheel navigation and control buttons
- Selective headphone output with volume control on front panel
- Extended menu settings such as custom frequency list, selectable sync parameter and walk test
- Worldwide usage (specific frequencies subject to local RF regulations)
Top Specs
- Dimensions483 x 44 x 373 mm (19" x 1.73" x 14.66")
- Audio output2x 70 mW @ 32 Ω
- Latency (ms)1.9 ms
- Power consumption (Amp)max. 37 W
Tech Specs
Frequency Specifications
-
Audio frequency response
20 Hz - 20 kHz (-3 dB)
Acoustic Properties
-
Dynamic range (>)
134 dB
-
Audio output level
18 dBu max.
Inputs/Outputs
-
Audio output
2x 70 mW @ 32 Ω
Ambient Conditions
-
Operating relative humidity (≤ %)
5 - 95 % (non-condensing)
-
Operating temperature (C)
-10 °C - +55 °C (14 °F - 131 °F)
Battery & Power
-
Battery included
N
-
Power consumption (Amp)
max. 37 W
What's in the box
- (1) EW-DX EM 4 Dante rack receiver
- (2) rod antennas
- (2) BNC antenna cables (50 Ω) for daisy-chaining
- (3) mains cables (EU, UK or US plug)
- (1) Quick guide
- (1) Safety guide
- (1) Manufacturer declaration sheet
EW-DX EM 4 DANTE (Q1-9) Receiver for Professional Audio Systems
EW-DX EM 4 DANTE (Q1-9) is a 4-channel Rackmount Receiver from the Sennheiser EW‑DX series, featuring built-in Dante/AES67 audio networking. Operating in the Q1‑9 band (470.2 – 550 MHz) with an 88 MHz bandwidth, it supports up to 293 simultaneous channels, ultra-low latency of 1.9 ms, and AES‑256 encryption. This receiver is ideal for large-scale professional wireless microphone systems in conferences, theatres, and live productions.
Exceptional EW Digital Audio Quality for Stage and Conference Applications
EW-DX EM 4 DANTE (Q1-9) delivers pristine sound with a wide 20 Hz – 20 kHz frequency response, impressive 134 dB dynamic range, and ultra-low THD ≤ -60 dB. SePAC codec technology ensures 1.9 ms latency, perfect for high-stakes environments like premium conference microphones and live performance systems.
Advanced Dante Networking and Robust RF Performance
With native Dante/AES67 support, the receiver integrates seamlessly into IP audio systems, enabling low-latency digital audio distribution over Ethernet. Operating in the Q1‑9 band (470.2 – 550 MHz), it offers two modes:
- Standard (600 kHz): up to 146 channels
- Link Density (300 kHz): up to 293 channels
AutoScan and Equidistant spacing automatically assign clean frequencies, ensuring stable RF performance even in challenging environments – a key advantage for UHF wireless microphone systems.
Smart Management and Rugged Full‑Rack Design
EW‑DX EM 4 Dante (Q1‑9) supports Ethernet IPv4/IPv6, PoE (IEEE 802.3af), and remote management via Sennheiser Control Cockpit, Wireless Systems Manager, or the Smart Assist app (Bluetooth LE, 25 m range). Its robust full‑rack 19″ design is engineered for reliability in demanding stage sound systems and professional conference installations.
Buy EW-DX EM 4 DANTE (Q1-9) at Hoang Bao Khoa – Genuine, Fast Delivery, Professional Support
Hoang Bao Khoa, as an authorized Sennheiser distributor in Vietnam, guarantees 100% genuine products with premium after-sales services:
- Authentic Sennheiser products with CO, CQ, and VAT invoices included.
- Ready stock with nationwide fast delivery.
- 1:1 replacement within 48 hours for manufacturer defects.
- 24-month official warranty for long-term peace of mind.
- Expert consultation and technical support for optimizing professional audio systems.
Conclusion
EW‑DX EM 4 Dante (Q1‑9) offers exceptional sound quality, advanced Dante networking, and powerful multi-channel management. It is a smart investment for professional audio projects in stage productions, conferences, and large-scale events.