Are you setting up a microphone system for a conference room or performance stage but struggling when multiple channels need to be received simultaneously? This article introduces the solution from Sennheiser’s EW-DX EM 4 - a leading brand in professional audio.
About Sennheiser & the EW-DX Series
Sennheiser has long been an icon in the field of professional audio, renowned for its vocal microphones, studio recording solutions, premium headphones, and advanced wireless systems. The Evolution Wireless Digital (EW-DX) series represents a milestone in innovation, offering a modern digital design, ultra-low latency, the ability to operate hundreds of channels, AES-256 encryption, and remote management via network control – empowering stage, education, and studio environments with optimal efficiency.
Sennheiser EW-DX EM 4 – A Powerful Four-Channel Receiver
The EW-DX EM 4 is a full-rack (19") four-channel receiver designed for the EW-DX system, equipped with an internal PSU, Dante® networking for high-quality audio over IP, and flexible expansion via Ethernet. It is the ideal choice for corporate audio installations as well as professional stage applications.
- 88 MHz switching bandwidth & 293 channels: providing extensive frequency agility in dense RF environments.
- 1.9 ms latency & 134 dB dynamic range: ensuring fast, transparent audio processing with minimal distortion at high volumes.
- Integrated Dante®, Ethernet, AES-256: delivering secure, high-fidelity audio transmission across networks with robust encryption.
- AutoScan & Equidistant Channel Spacing: scanning and allocating clean frequencies to minimize interference.
- Advanced control interface: OLED display, jog-wheel navigation, plus Bluetooth App/Control Cockpit for remote operation.
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When Do You Really Need the EW-DX EM 4?
If you manage multiple simultaneous microphones for events, conferences, studios, or live performances – and require remote monitoring, streamlined network integration, and uncompromising signal reliability – then the EW-DX EM 4 is the optimal solution. It is purpose-built for complex setups where stability, signal security, and scalability are crucial.
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Key Considerations for Optimal EW-DX EM 4 Usage
Although the EW-DX EM 4 is a premium device within Sennheiser’s digital wireless portfolio, proper setup and maintenance remain essential to ensure smooth operation:
- Incorrect Dante configuration: verify Control and Dante Primary/Secondary ports, and ensure stable power via PoE or external supply.
- Efficient frequency management: use the AutoScan function to avoid channel conflicts with other RF devices.
- Rack heat issues: as a full-metal unit with an internal PSU, ensure proper ventilation to prevent overheating.
- Routine maintenance: clean connectors, check cabling, and regularly update firmware for peak performance.
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Purchase Sennheiser EW-DX EM 4 at Hoàng Bảo Khoa
Hoàng Bảo Khoa, the official Sennheiser distributor in Vietnam, is committed to providing:
- 100% genuine Sennheiser products with complete CO, CQ, and VAT documentation.
- 24-month warranty with a 48-hour replacement policy for manufacturer defects.
- Nationwide free shipping with 0% installment support.
- Professional technical consultation from Hoàng Bảo Khoa specialists to ensure the most suitable system configuration.