Questions? Call Us:

Sennheiser SL Rack Receiver DW
SpeechLine DW Digital Wireless Receiver


The Sennheiser SL Rack Receiver DW is a digital wireless receiver for the SpeechLine Digital Wireless Microphone System...
Learn More

Call for info!

Select a Model: (shipping times are approximate)

Related Products

The Sennheiser SL Rack Receiver DW is a digital wireless receiver for the SpeechLine Digital Wireless Microphone System, designed exclusively for speech- and lecture-related applications. The receiver is simple to use, and provides a range of benefits to novice wireless system users – like optimal speech intelligibility, advanced 256-bit AES encryption, and license-free operation within the 1.9 GHz range. The receiver also shares features of the Speechline DW system itself – including automatic frequency-, interference- and audio-level management.

This receiver runs on Li-Ion battery technology, can operate up to 20 RF channels range (dependent on local regulations), and has app-based remote monitoring and maintenance available for iOS or Android via the Wireless System Remote.

Sennheiser SL Rack Receiver DW Features:

  • Frequency Management:
    • Allows performance of on-site real-time scan upon starting up your system, finding frequencies without any need for manual fine tuning.
  • Audio Level Management:
    • Lets you adjust volume levels for optimal audio clarity. AALM adjusts gain levels and sensitivity to ensure the best signal-to-noise ratio.
  • App-based remote monitoring and maintenance: 
    • Lets you easily monitor and operate your wireless system via the Wireless System Remote available for iOS an Android.
  • Automatic Interference Management:
    • Seamlessly switches to a free wireless channel in the event of a frequency disturbance.
  • Optimal speech intelligibility:
    • Different audio presets for male and female voices, as well as preconfigured sound profiles for dedicated settings.
  • Li-Ion battery technology: Up to 15 hours of batterypower
    • Additional power-related features include USB charging and system component runtime prediction
  • 256-bit AES encryption:
    • Strongest encryption algorithm for secure wireless transmission.
    • Unique encryption key will be generated individually whenever a microphone connects to a receiver.
  • License-free operation within the 1.9 GHz range:
    • The 1.9 GHz wireless frequency band is far less busy compared to other frequencies like Wi-Fi. Unaffected by legislative changes.

Sennheiser SL Rack Receiver DW Specifications:

  • RF sensitivity: < -90 dBm
  • RF output power back channel: Adaptive, up to 250 mW(country-specific)
  • Digital gain adjustable in steps of 6 dB:
  • Mic/line level switch: -24 dB/0 dB
  • XLR, balanced: max. +18 dBu
  • RCA, unbalanced: max. +6 dBu
  • Audio effects:
    • Low cut: -3 dB at 120 Hz
    • Equalizer: 7-band graphic equalizer with sound presets
    • Automatic gain control (AGC): compression/ expansion with automatic make-up gain function
  • Display: OLED
  • Network protocol: Media Control Protocol, TCP/IP IPv4(DHCP, manual)/IPv6
  • Power supply: 12 V DC
  • Current consumption: 350 mA
  • AF connection sockets: XLR/2 x RCA
  • Antenna sockets: 2 x reverse SMA
  • Network sockets: RJ-45
  • DC socket for power supply: hollow jack
  • Weight: Approx. 828 g

Sennheiser SpeechLine DW System Specifications:

  • AF Frequency Response: 20 Hz to 20 kHz
  • Dynamic range: > 120 dB (A)
  • THD (1 kHz): typ. 0.1 %
  • Audio sampling: 24 bit/48 kHz
  • Signal-to-noise ratio: > 90 dB (A)
  • Encryption: AES 256
  • RF frequency ranges:
    • USA: 1,920 to 1,930 MHz
    • EU: 1,880 to 1,900 MHz
    • Brazil: 1,910 to 1,920 MHz
    • Taiwan: 1,880 to 1,895 MHz
    • Japan: 1,893 to 1,906 MHz
  • Modulation: GFSK with back channel
  • Transmission method: 
    • TDMA
    • Space diversity
  • Latency: 19 ms
  • Temperature range*: relative air humidity max. 95 %
    • Operation: –10 °C to +55 °C
    • Storage: –20 °C to +70 °C

*Influenced by battery characteristics

To be the first to review this item, click here.

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at 800-356-5844 for more information

© 2018 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.