Sennheiser

Sennheiser EW-DX EM 2 Two-Channel Digital Wireless Half-Rack Receiver

Model EW-DX EM 2 (Q1-9)

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  • 2 digital wireless channels in a 9.5 inch half-rack metal housing
  • Up to 88 MHz switching bandwidth, 1.9 ms latency
  • PoE (IEEE 802.3af) or 12 V DC power, Ethernet control
  • AES-256 encryption and Bluetooth Low Energy app control
Sennheiser EW-DX EM 2 two-channel receiver front panel with OLED displays
  • Authorized Sennheiser Reseller
  • Manufacturer Warranty
  • Fast UAE Delivery
  • Expert Project Support
Delivery, Warranty, Returns and Installation
Delivery
Fast UAE Delivery: Same-Day or Next-Day Delivery Available, Subject to Product Availability and Location. Free Delivery on Orders Above AED 2,000.
Warranty
Manufacturer Warranty with Local UAE Support where applicable.
Returns
B2B Orders are non-returnable. Please confirm product specifications and compatibility before ordering.
Installation
Site Surveys, System Design and Professional Installation are available across the UAE.
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Product details

Overview

What is the Sennheiser EW-DX EM 2?

The Sennheiser EW-DX EM 2 is a two-channel digital wireless receiver in a 9.5 inch half-rack metal housing for Evolution Wireless Digital handheld, bodypack and table stand transmitters. It offers up to 88 MHz switching bandwidth, 1.9 ms latency and PoE or 12 V DC power, and it is the receiver AV integrators use to add or replace EW-DX channels in meeting rooms, ballrooms and venues across the UAE.

It is the two-channel rack receiver of the Sennheiser EW-DX series, sold on its own so you can pair it with the transmitters you choose. Each channel links to one EW-DX SKM or SKM-S handheld, SK bodypack or table stand transmitter in the same frequency range, and both channels are controlled from the front panel, the Smart Assist App or the network.

Why this product

Key Benefits

  • Two channels in half a rack unit width

    Two receivers sit in a 212 mm wide all-metal housing, and the included GA 3 kit mounts it in a 19 inch rack.

  • Wide tuning and dense channel plans

    Up to 88 MHz switching bandwidth with equidistant spacing gives up to 146 channels at 600 kHz, or 293 channels at 300 kHz in Link Density Mode.

  • Low-latency, wide dynamic range

    The Sennheiser Performance Audio Codec gives 1.9 ms latency and a 134 dB dynamic range, with THD of -60 dB or better.

  • Single-cable installation

    PoE (IEEE 802.3af) on the RJ-45 port powers the receiver and carries control, or it runs on the 12 V adapter.

  • Clear status at the rack

    An OLED display, jog wheel and Link Quality Indicator show link quality separately from RF level, and a selectable headphone output lets you listen to either channel.

  • Secure, managed operation

    AES-256 encryption protects the audio link, and Control Cockpit, Wireless System Manager and third-party plug-ins manage the receiver over IPv4 or IPv6.

Use cases

Applications

  • Expanding an EW-DX system

    Add two more channels in the same frequency range as your existing EW-DX transmitters.

  • Meeting rooms with a rack or AV cabinet

    PoE power and network control suit rooms managed by a central AV or IT team.

  • Ballrooms and event venues

    Equidistant channel spacing makes it practical to run many channels side by side.

  • Places of worship and lecture halls

    Pair with handheld or bodypack transmitters for preachers, lecturers and singers.

Technical details

Technical Specifications

Microphone

Microphone Type
Digital wireless receiver, 2 channels
Frequency Response
20 Hz to 20 kHz (-3 dB)
Dynamic Range
134 dB

Wireless

Wireless Frequency Band
Q1-9: 470.2 to 550 MHz; R1-9: 520 to 607.8 MHz
Switching Bandwidth
Up to 88 MHz
Channels
Up to 146 (Standard Mode) or 293 (Link Density Mode)
Latency
1.9 ms
Encryption
AES-256
Wireless Control
Bluetooth Low Energy, 2402 to 2480 MHz, Smart Assist App up to 25 m

Connectivity

Audio Output
18 dBu max.
Headphone Output
2 × 70 mW at 32 Ω
Ethernet
RJ-45, 100Base-TX and 10Base-T, IPv4 and IPv6, CAT5e or higher

Power

Power Supply
11 to 13 V DC (external 12 V / 1 A adapter) or PoE IEEE 802.3af
Power Consumption
Max. 12 W

Physical

Mounting
Half rack (9.5 inch), GA 3 rackmount set included
Dimensions
212 × 44 × 189 mm (8.35 × 1.73 × 7.44 in)
Weight
Approx. 1000 g without antennas and power supply

Environmental

Operating Temperature
-10 °C to 50 °C (14 °F to 122 °F)
Relative Humidity
5 to 95 %, non-condensing

In the box

What's Included

  • 1 × EW-DX EM 2 rack receiver

  • 2 × rod antennas

  • 1 × power supply with country adapters

  • 1 × GA 3 rackmount set

  • 4 × rubber feet

  • Quick guide, safety guide and manufacturer declaration sheet

Installation

Installation & Mounting

Recommended Transmitter

The EW-DX EM 2 needs EW-DX transmitters in the same frequency range. For two handheld microphones, the Sennheiser EW-DX 835-S SET already includes an EM 2 with two SKM-S handhelds; for two lavaliers, the Sennheiser EW-DX MKE 2 SET includes an EM 2 with two SK bodypacks.

Ownership and support

Ownership & Support

Expandability

Where you need four channels per unit or Dante network audio, the Sennheiser EW-DX EM 4 DANTE works with the same EW-DX transmitters.

Complete your solution

Recommended Accessories

Expert FAQs

What transmitters work with the Sennheiser EW-DX EM 2 receiver?

The Sennheiser EW-DX EM 2 works with Evolution Wireless Digital EW-DX handheld, bodypack and table stand transmitters. Each of its 2 channels pairs with one transmitter, and the transmitter must be in the same frequency range as the receiver, for example Q1-9 with Q1-9.

Which frequency range of the EW-DX EM 2 should I order in the UAE?

The Sennheiser EW-DX EM 2 is sold here as Q1-9 (470.2 to 550 MHz, article no. 509342) and R1-9 (520 to 607.8 MHz, article no. 509343). Sennheiser states that specific frequencies are subject to local RF regulations and publishes allowed ranges per country in its International Frequency Advisor (SIFA), so match the range to the venue and to your existing transmitters.

Can the EW-DX EM 2 be powered over Ethernet?

Yes, the Sennheiser EW-DX EM 2 can be powered with PoE to IEEE 802.3af over CAT5e or better cable. Without PoE it runs on its external 12 V / 1 A adapter (11 to 13 V DC input), and maximum power consumption is 12 W.

How are the transmitters used with the EW-DX EM 2 charged?

The Sennheiser EW-DX EM 2 itself has no battery: it runs on PoE or its 12 V adapter. The EW-DX transmitters it receives run on BA 70 rechargeable packs, which Sennheiser lists as accessories together with the CHG 70N-C network-enabled charger for SK, SKM and BA 70 and the CHG 70N-C + PSU KIT.

How many EW-DX EM 2 receivers can work in the same venue?

Up to 146 Sennheiser EW-DX channels fit in the 88 MHz switching bandwidth with 600 kHz spacing, or up to 293 channels in Link Density Mode at 300 kHz, so many EW-DX EM 2 receivers can run side by side. AutoScan assigns equidistant, intermodulation-free frequencies to each link.

How do I connect the EW-DX EM 2 to a mixer or DSP?

The Sennheiser EW-DX EM 2 sends each of its 2 channels to a mixer, DSP or amplifier through its audio outputs, rated at 18 dBu max. It also has a headphone output (2 × 70 mW at 32 Ω) for checking either channel. It has no Dante output; for Dante, Sennheiser offers the EW-DX EM 4 DANTE.

Can a control system manage the Sennheiser EW-DX EM 2?

Yes, the Sennheiser EW-DX EM 2 is managed over its RJ-45 Ethernet port with IPv4 or IPv6. It works with Sennheiser Control Cockpit, Wireless System Manager and third-party media control systems through plug-ins such as Crestron modules and Q-SYS plugins, and the Smart Assist App controls it over Bluetooth Low Energy at up to 25 m.

Does the EW-DX EM 2 fit in a standard equipment rack?

Yes, the Sennheiser EW-DX EM 2 is a half-rack (9.5 inch) unit, 212 × 44 × 189 mm, and the included GA 3 rackmount set fits it into a 19 inch rack. It weighs about 1000 g without antennas and power supply.

Where can I buy the Sennheiser EW-DX EM 2 in the UAE?

CorporateAV.ae is a supplier of genuine Sennheiser products in the UAE and delivers the Sennheiser EW-DX EM 2 same-day or next-day across the UAE, subject to availability and location. Request a Project Quote on this page, call +971 56 498 8088, WhatsApp us or email info@corporateav.ae. Phone: +971 56 498 8088. Email: info@corporateav.ae.