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Listen Technologies LA423-04


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Product Overview

ListenTALK 4 Port USB Charger

The LA-423 USB Charger from Listen Technologies offers an easy way to simultaneously charge up to four (4) Listen iDSP products. Ideal for smaller venues including classrooms, conference rooms, and more, the LA-423 features fold-away plug blades and a slim design for convenient transport and storage. A small LED on the front of the charger illuminates when the charger is plugged into a live power socket.



  • Capable of charging up to four Listen Technologies iDSP devices at once
  • Compact design and fold-away plug blades for easy storage
  • Ideal for use in smaller venues and spaces
  • Single LED charge indicator illuminates when power is present




  • Power Supply Input: 100-240 V, 50-60 Hz, 0.5 A
  • Power Supply Output: 5.0 VDC, 4.2 A



  • Colour: Black
  • Shipping Weight: 1.0 lbs. (454 g)
  • Cable Length: 36 in. (92 cm)
  • Cable Type: 4 - USB to Micro USB Cables (LA-422)
  • Dimensions (H x W x D): 2.44 in. x 2.90 in. x 1.13 in. (62 mm x 74 mm x 29 mm)
  • Unit Weight: 7.80 oz. (221 g)



  • Standards: UL, CE, RCM, RoHS

Product Downloads

  • LA423-04 End User Brochure PDF 2.9 MB
  • LA423-04 Data Sheet PDF 0.2 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the LA423-04.