Sennheiser SpeechLine Wireless Boundary Microphone Set

Sennheiser SpeechLine Wireless Boundary Microphone Set

Sennheiser SpeechLine Wireless Boundary Microphone Set

B&H # SESLBSETDW4U MFR # SL BOUNDARY SET DW-4 US

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Expected availability: 3-7 business days

Product Highlights

  • SL Boundary 114-S DW Wireless Mic
  • SpeechLine SL Rack Receiver DW
  • Optimized for Speech Transmission
  • For Meetings, Presentations, Streaming
  • Boundary Mic with Cardioid Polar Pattern
  • Automatic Frequency Selection
  • Cable-Free Operation
  • Secure 256-Bit AES Encryption
  • Ethernet Connectivity
  • Includes BA 40 Rechargeable Battery Pack
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This item is noncancelable and nonreturnable.

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Sennheiser SL BOUNDARY SET DW-4 US overview

  • 1Description

The Sennheiser SpeechLine Wireless Boundary Microphone Set includes an SL Boundary 114-S DW-4 B wireless boundary microphone, an SL Rack Receiver DW stationary receiver with power supply, a BA 40 rechargeable battery pack for the mic, a USB Cable, and a GA 4 rackmount kit for the receiver. Optimized for speech transmission, this flexible wireless set offers speech intelligibility and ease of use for meeting participants, in conference rooms, offices, huddle rooms, and more.


The SpeechLine Digital Wireless line of microphone conferencing systems provides a set of powerful features that include automatic frequency, audio level, and interference management, advanced 256-bit AES encryption, and convenient recharging options. The microphone can be controlled and monitored remotely via the free Sennheiser Control Cockpit software (available separately).

  • SL Boundary 114-S DW-4 B Wireless Boundary Microphone

    Part of the SpeechLine Digital Wireless line of microphone conferencing systems, the Sennheiser SL Boundary 114-S DW-4 B is a wireless boundary microphone optimized for speech transmission in conference rooms, huddle rooms, and meeting spaces. Designed to be placed on a flat surface such as a desk or a conference table, its flat shape is visually unobtrusive for the seated meeting participants. The microphone is equipped with a cardioid polar pattern that picks up the speaker either in front of the mic or in close proximity, ideal for meetings, presentations, video conferencing, streaming, and more.

    The SL Boundary 114-S DW-4 B is powered via the included BA 40 rechargeable battery pack, which provides a typical operating time of 13 hours on a full charge. The complete absence of cable gives you speed of setup and the freedom to position the mic anywhere in the room. The battery can be charged wirelessly with the CHG 2W wireless power transmitter (available separately) or via USB.

    Compatible with the SL Rack Receiver DW stationary receiver, the SL Boundary 114-S DW-4 B can be monitored and controlled remotely with the free Sennheiser Control Cockpit software (available separately).

    Key Features
    • Wireless boundary microphone optimized for speech transmission in conference rooms, offices, huddle rooms, and more
    • Use for meetings, presentations, video conferencing, streaming
    • Complete absence of cable gives you the freedom to position the mic anywhere in the room
    • Place on a flat surface such as a desk or a conference table
    • Compatible with the SL Rack Receiver DW stationary receiver and the SpeechLine Digital Wireless family
    • Includes BA 40 rechargeable battery pack—operates up to 13 hours on a full charge
    • Cardioid polar pattern picks up speaker either in front of the microphone or in close proximity
    • Unobtrusive flat shape provides desirable low-visual profile 
    • Clean look without cable
    • Supports charging via USB and wireless inductive charging with the CHG 2W wireless power transmitter (available separately)
    • Automatic sensitivity adjustment
    • Remote monitoring and control via the free Sennheiser Control Cockpit software for Windows, Mac, iOS, and Android (available separately)
    • Battery-status LEDs provide clear battery-life indication
  • SpeechLine Digital Wireless SL Rack Receiver DW-4-US

    The SpeechLine Digital Wireless SL Rack Receiver DW-4-US from Sennheiser is an easy-to-integrate wireless receiver for the SpeechLine Digital Wireless System. It features an OLED display for easy setup and operation and can be used when paired with a wireless transmitter and microphone (sold separately) for applications such as lectures, meetings, and more.

    With secure 256-bit AES encryption, the receiver has bi-directional communication, which allows all settings from the mobile transmitter to be adjusted from the receiver. In addition, the automatic frequency and interference management provides convenient and reliable operation, thanks to the easy-to-handle pairing process.

    Finally, via network integration all settings and statuses are accessible from AMX/Crestron media-control protocols and the dedicated Sennheiser Control Cockpit software. The antennas can be either back or front mounted. A power supply is also included.

    UPC: 615104243804
  • GA 4 Rackmount Set for the evolution Wireless D1 EM Stationary Receiver

    The GA 4 Rackmount Set from Sennheiser is a kit for mounting the evolution wireless D1 EM stationary receiver. It features all of the accessories necessary to mount the D1 100-200 EM receiver in a standard 19" 1RU rack. Two BNC cables are also included for routing the antennas to the front.

    UPC: 615104248762
In the Box
Bundle Items
  • BA 40 Rechargeable Battery Pack
  • Limited 2-Year Warranty
  • Power Supply
  • 2 x Antennas
  • Limited 2-Year Warranty
  • 2 x BNC Cables
  • Limited 2-Year Warranty

Also Includes

  • USB Cable
Table of Contents
  • 1Description
  • SL Boundary 114-S DW-4 B Wireless Boundary Microphone
    Compatibility SL Rack Receiver DW stationary receiver
    AF Frequency Response 40 Hz to 20 kHz
    Polar Pattern Cardioid
    Dynamic Range < 100 dBA
    Sensitivity 10 mV/PA
    Total Harmonic Distortion (THD) 0.1%, typically
    Signal to Noise Ratio > 90 dBA
    Sampling Rates 24-bit / 48 kHz
    Input Level 1.7 Vrms, maximum
    Input Impedance 30 KOhms
    RF Frequency Range 1.92 to 1.93 GHz
    RF Output Power Up to 250 mW, adaptive (country-specific)
    Remote Control Sennheiser Control Cockpit software (free download, available separately)
    Windows, Mac, Android, iOS
    USB Port Micro-USB B, charging port
    Power Supply Type: BA 40 Accupack, lithium-ion rechargeable battery
    Operating Time: 13 hours, typically
    Output Voltage: 3.6 V
    Charging Current: 2200 mAh
    Temperature Range Operation: 50 to 113°F / 10 to 45 °C
    Storage: -4 to 158°F / -20 to 70°C
    Color Black
    Dimensions 4.49 x 3.36 x 1.21" / 114.04 x 85.34 x 30.73 mm
    Weight 7.3 oz / 208 g, without battery
  • SpeechLine Digital Wireless SL Rack Receiver DW-4-US
    System
    Frequency Response 20 Hz to 20 kHz
    Dynamic Range > 120 dBA
    Total Harmonic Distortion (THD) Typical 0.1 %
    Sampling Rates 24-bit/48 kHz
    Signal-to-Noise Ratio > 90 dBA
    Encryption AES 256
    Frequency Range USA: 1,920 to 1,930 MHz
    Modulation GFSK with back channel
    Transmission Method TDMA, space diversity
    Latency 19 ms
    Relative Humidity Maximum 95%
    Temperature Range Operation: 14 to 131°F (-10 to 55°C)
    Storage: -4 to 158°F (-20 to 70°C)
    Receiver
    RF Sensitivity < -90 dBm
    RF Output Power Adaptive, up to 250 mW (country-specific)
    Audio Output Level XLR Balanced: Maximum -18 dBu, typical -24 dBu
    RCA Unbalanced: Maximum +6 dBu
    Audio Effects Low Cut: -3 dB at 120 Hz
    Equalizer: 7-band graphic equalizer with sound presets
    Sound Profiles: Female voice, male voice, and instrument/media
    Display OLED
    Network Protocol Media Control Protocol, TCP/IP IPv4 (DHCP, manual)/IPv6
    Power Supply 12 VDC
    Current Consumption 350 mA
    Output Connection 1 x 3-pin XLRM
    2 x RCA
    Connections Network: RJ 45
    DC Socket for Power Supply: Hollow jack
    Dimensions Not specified by manufacturer
    Weight 29 oz (828 g)
    Power Supply
    Nominal Input Voltage 100 to 240 VAC
    Power Frequency 50 or 60 Hz
    Input Current Maximum 120 mA
    Power Consumption Standby: ≤ 0.3 W
    Operating Temperature 14 to 131°F (-10 to 55°C)
    Storage: -4 to 158°F (-20 to 70°C)
    Humidity (Relative) 95%
    Dimensions Not specified by manufacturer
    Weight Approx. 3.5 oz (100 g)
    Packaging Info
    Box Dimensions (LxWxH) 16.0 x 10.8 x 3.0"
  • GA 4 Rackmount Set for the evolution Wireless D1 EM Stationary Receiver
    Dimensions Not specified by manufacturer
    Weight Not specified by manufacturers
    Packaging Infowzzdstzywr
    Box Dimensions (LxWxH) 9.8 x 8.4 x 1.9"

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