DWS INT 3 400 ALK Digi-Wave Digital Interpretation System For 20 Listeners – Williams AV

The DWS INT 3 400 ALK Digi-Wave Portable Interpretation System by Williams AV is a completely mobile, wireless interpretation system offering a reliable, crystal-clear broadcast and supports 2 interpreters and up to 20 listeners. The system can be expanded if additional languages or receivers are needed (up to 14 languages and unlimited listeners).

Ideal for worship services, school assemblies and conferences, the Digi-Wave system can be used for virtually any application that requires interpretation. Broadcasting at 2.4GHz, the Digi-Wave interpretation system can be used safely both domestically or internationally.

This system offers alkaline-only DLR 400 ALK receivers (2-AAA batteries) and are not rechargeable. The DLT 400 transceivers have an internal rechargeable battery with included USB-C cables and 4-slot charging bay for easy charging.


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An unlimited number of listener’s (using the DLR 400 Receivers) can select their language, then listen to the floor speaker or the interpreter of their choice.

This portable language interpretation system package will support 2 interpreters, and additional DLT 400 transceivers can be purchased for additional languages.

Visit the product page at Williams Sound for more information.


  • Completely portable, wireless interpretation system in a water resistant carry case.
  • The system works by transmitting a shared language, in addition to up to fourteen simultaneous translation feeds in other languages
  • Backwards compatible with Digi-Wave 300 series transceivers and receivers
  • Lightweight and easy to transport
  • 2.4GHz operation offers a crystal clear broadcast and is legal for use in most countries
  • Range of up to 900 feet (depending on environment)
  • 2 year Williams Sound warranty
  • Easily expand number of listeners with additional DLR 400 Receivers 
  • Increase number of languages supported with additional DLT 400 Transceivers

System Includes

  • DLT 400 transceivers (2)
  • DLR 400 ALK receivers (for listeners) (20)
  • MIC 144 headset microphones (2)
  • EAR 022 single-ear earphones (20)
  • BAT 010-2 AAA alkaline batteries 2-pk (20)
  • CHG 404 DW 4-slot charging bay (1)
  • CCS 042 DW system carry case (1)
  • CCS 061 BK black silicone skin (1)
  • CCS 061 GR gray silicone skin (1)