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Sennheiser SL Handheld DW
SpeechLine DW Handheld Wireless Microphone Transmitter

OUR PART #  SL-HANDHELD-DW

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The Sennheiser SL Handheld DW is a transmitter for the SpeechLine Digital Wireless Microphone System, designed exclusively for speech- and lecture-related applications. This handheld transmitter is easy 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 transmitter also shares features of the Speechline DW system itself – including automatic frequency-, interference- and audio-level management.

The transmitter 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. It also features automatic sensitivity adjustment, a mute switch - which can be deactivated via the user interface – and an LC display showing wireless link name, battery status, and reception quality. Better yet, the unit comes with a microphone head (Sennheiser MME 865-1) for use with the handheld transmitter.

Sennheiser SL Handheld DW Features:

  • Automatic sensitivity adjustment
  • Mute switch
    • Can be deactivated via the user interface
  • LC display
    • Shows wireless link name, battery status, and reception quality
  • Frequency Management:
    • Allows 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 audio clarity. Adjusts gain levels and sensitivity to ensure the best signal-to-noise ratio.
  • App-based remote monitoring and maintenance: 
    • Lets you 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: 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 battery power
    • Additional power-related features include USB charging and system component runtime prediction
  • 256-bit AES encryption: 
    • Strongest encryption algorithm for secure wireless transmission. 
    • Encryption key(s) generated individually whenever a microphone connects to a receiver.
  • License-free operation within the 1.9 GHz range: 
    • 1.9 GHz wireless frequency band is far less busy compared to other frequencies like Wi-Fi. Unaffected by legislative changes.

Sennheiser MME 865-1 Features:

  • Type: Condenser
  • Pick-up Pattern: Supercardioid
  • Sensitivity: 1.6 mV/Pa
  • Max SPL: 152 dB

Sennheiser SL Handheld DW Specifications:

  • RF output power: adaptive, up to 250 mW(country-specific)
  • AF frequency response: 50 Hz to 20 kHz
  • Input sensitivity: automatic sensitivity adjustment
  • Power supply:
    • Accupack: BA 10 (Li-Ion, 3.7 V), typ. 15 h
    • Batteries*: 2x AA size battery (1.5 V), typ. 10 h
      *Notincluded
  • Display: LCD
  • Mute switch: available
  • Weight (w/o accupack): approx. 262 g, including microphone head

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 %
    *Influenced by battery characteristics
    • Operation: –10 °C to +55 °C
    • Storage: –20 °C to +70 °C

Sennheiser SL Handheld DW
SpeechLine DW Handheld Wireless Microphone Transmitter

OUR PART #  SL-HANDHELD-DW

Product Information:

The Sennheiser SL Handheld DW is a transmitter for the SpeechLine Digital Wireless Microphone System, designed exclusively for speech- and lecture-related applications. This handheld transmitter is easy 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 transmitter also shares features of the Speechline DW system itself – including automatic frequency-, interference- and audio-level management.

The transmitter 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. It also features automatic sensitivity adjustment, a mute switch - which can be deactivated via the user interface – and an LC display showing wireless link name, battery status, and reception quality. Better yet, the unit comes with a microphone head (Sennheiser MME 865-1) for use with the handheld transmitter.

Sennheiser SL Handheld DW Features:

  • Automatic sensitivity adjustment
  • Mute switch
    • Can be deactivated via the user interface
  • LC display
    • Shows wireless link name, battery status, and reception quality
  • Frequency Management:
    • Allows 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 audio clarity. Adjusts gain levels and sensitivity to ensure the best signal-to-noise ratio.
  • App-based remote monitoring and maintenance: 
    • Lets you 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: 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 battery power
    • Additional power-related features include USB charging and system component runtime prediction
  • 256-bit AES encryption: 
    • Strongest encryption algorithm for secure wireless transmission. 
    • Encryption key(s) generated individually whenever a microphone connects to a receiver.
  • License-free operation within the 1.9 GHz range: 
    • 1.9 GHz wireless frequency band is far less busy compared to other frequencies like Wi-Fi. Unaffected by legislative changes.

Sennheiser MME 865-1 Features:

  • Type: Condenser
  • Pick-up Pattern: Supercardioid
  • Sensitivity: 1.6 mV/Pa
  • Max SPL: 152 dB

Sennheiser SL Handheld DW Specifications:

  • RF output power: adaptive, up to 250 mW(country-specific)
  • AF frequency response: 50 Hz to 20 kHz
  • Input sensitivity: automatic sensitivity adjustment
  • Power supply:
    • Accupack: BA 10 (Li-Ion, 3.7 V), typ. 15 h
    • Batteries*: 2x AA size battery (1.5 V), typ. 10 h
      *Notincluded
  • Display: LCD
  • Mute switch: available
  • Weight (w/o accupack): approx. 262 g, including microphone head

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 %
    *Influenced by battery characteristics
    • Operation: –10 °C to +55 °C
    • Storage: –20 °C to +70 °C
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