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Sennheiser SpeechLine DW-4-EU Half Rack Receiver – 506171 (SL Rack Receiver DW-4-EU)

Sennheiser

Sennheiser SpeechLine DW-4-EU Half Rack Receiver – 506171 (SL Rack Receiver DW-4-EU)

MPN 506171 SKU 506171

The Sennheiser SL Rack Receiver DW-4-EU (Model 506171) is a half 19-inch wireless microphone receiver for the SpeechLine Digital Wireless System. It offers 256-bit AES encryption, Ethernet connectivity, and automatic interference management. SmartRooms Oman supplies this unit for conferencing installations in Muscat and across the Sultanate.

Warranty
5 years

Pricing

Price on request in OMR

Include in your quote
WhatsApp
Written quote usually within one business day Download datasheet (PDF)

  • Written quotation in OMR

    Pricing, availability and warranty on one document.

  • Manufacturer warranty

    Terms confirmed on your quotation.

  • All 11 governorates

    Delivered from Muscat to Dhofar.

  • Quotations in Arabic & English

    Ask for Arabic, English or both.

The product, in detail.

Weight and power

Weight
828 g
Power Consumption
350 mA
Operating Temperature
-10 to 55 °C
Operating Humidity
Up to 95% RH

Description

This stationary receiver serves as the central hub for the SpeechLine Digital Wireless System, designed for reliable integration in professional environments. It features an OLED display for clear setup and operation, allowing users to monitor status and adjust settings locally. The unit supports both back and front antenna mounting, with extension cables available for flexible wall installation in server racks or AV cabinets.

Network integration enables remote control via AMX and Crestron media control protocols, as well as dedicated iOS applications, simplifying management for IT teams. The automatic frequency and interference management ensures stable performance in dense RF environments. With 256-bit AES encryption and support for IPv4/IPv6, it meets the security and connectivity requirements of modern Omani government and educational institutions.

SmartRooms Oman provides authorised distribution and technical support for this hardware. We offer itemised quotations in Omani Rial, covering hardware, delivery, and installation labour. Our team supports all 11 governorates, from Musandam to Dhofar, with tender documentation including datasheets and compliance statements for government procurement processes.

Ideal for: Large conference rooms, lecture halls, and boardrooms in Omani universities and ministries requiring secure, network-managed wireless audio.

  • Digital Integration – Ethernet (RJ 45) connectivity supports IPv4 and IPv6 networks for remote management and AMX/Crestron protocol control.
  • Secure Audio Transmission – 256-bit AES encryption protects audio signals, ensuring confidentiality for sensitive conference and meeting environments.
  • Automatic Management – Built-in automatic frequency selection and interference management maintain consistent signal quality without manual tuning.
  • Clear Interface – An OLED display provides immediate visual feedback on system status, pairing progress, and audio settings.
  • Flexible Mounting – Half 19-inch form factor fits standard racks, with options for back or front antenna mounting and wall extension cables.

Specifications

Manufacturer specifications · confirmed on your quotation

Connectivity

Audio out
XLR 3M, 2 × RCA
Ethernet
RJ 45, IPv4 and IPv6
Connectivity Options
Wireless, Ethernet (RJ 45); XLR 3M audio out, RCA audio out × 2, RJ 45 network

Physical & warranty

Weight
828 g
Power Consumption
350 mA
Operating Temperature
-10 to 55 °C
Operating Humidity
Up to 95% RH
Warranty
5 years

Other

Type
Wireless Microphone Receiver
Key Features
Automatic interference management, speech-optimized profiles, OLED display, Ethernet (IPv4/IPv6), AMX and Crestron control, 256-bit AES, remote control, quick pairing
More Information
Frequency band: 1880 to 1900 MHz | Frequency response: 20 to 20,000 Hz | Sensitivity: Below -90 dBm | Dynamic range: Above 120 dB(A) | Signal to noise ratio: Above 90 dB(A) | THD: Typical 0.1% | Protocols: AMX and Crestron media control | Antenna: Back or front mounted, extension cables for wall mounting available | Security features: 256-bit AES encryption | Form factor: Half 19-inch, stationary | Battery: Not included

Downloads

Delivery & installation in Oman

Delivered to Muscat, Salalah, Sohar, Nizwa and every other governorate, with installation available through our partner teams. Lead time for this model is confirmed on your written quotation.

Stock held in Muscat for fast-moving models — ask for current availability.

Questions about ordering

How do I get a price?
Ask for a written quotation. Use Request pricing on any product page, WhatsApp +968 9664 1360 or email sales@smartrooms.me with the model or part number, the quantity, the delivery location in Oman and whether installation is needed. The quotation covers pricing, availability, warranty and installation options.
Do you deliver across Oman, and how long does it take?
Yes — to Muscat, Salalah, Sohar, Nizwa and the other governorates. Lead time depends on the model, quantity and configuration, so it is confirmed in writing on the quotation and again when your purchase order is acknowledged.
Do you install?
Yes. Installation is available across Oman through our partner installation teams. Its scope — mounting, cabling, positioning, commissioning and handover — is written into the quotation, so anything outside it is clear before the visit.
What warranty applies?
The manufacturer's warranty applies, with the terms confirmed on your quotation. The quotation states the warranty holder, period and service level, and we coordinate any claim with the manufacturer or its authorised service partner on your behalf.
Do you support government tenders?
Yes. We quote tender quantities and supply what a tender file needs: an itemised quotation addressed to your entity, manufacturer datasheets, technical compliance sheets, the delivery and installation scope, and a warranty statement.
Can I get the quotation in Arabic?
Yes — in Arabic, English or both. Manufacturer datasheets are usually published in English.
Does the SL Rack Receiver DW-4-EU include transmitters?

No, the unit does not include transmitters or batteries. It functions as the receiver core for the SpeechLine system. You must purchase compatible Sennheiser digital wireless transmitters separately to establish a complete audio solution.

Can SmartRooms Oman provide this receiver for government tenders?

Yes, we support tender submissions with required datasheets and compliance statements. Our team prepares documentation in Arabic, English, or both to meet the specific procurement requirements of Omani government ministries and public sector entities.

Is this product available for supply in Muscat and other governorates?

Yes, SmartRooms Oman supplies this item with delivery and installation coverage across all 11 governorates. We handle logistics from Muscat to Dhofar, providing a single quotation that covers hardware, delivery, and labour costs.

What network protocols does the receiver support?

The receiver supports AMX and Crestron media control protocols for integration into existing AV control systems. It also features Ethernet connectivity with both IPv4 and IPv6 support for flexible network configuration in modern IT infrastructures.

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