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Midas DL451


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Product Overview

Audio System Modular I/O (DL451)

The DL451 is a 3U 19” rack unit, which provides a maximum of 24 audio inputs and 24 audio outputs. It has the same user-configurable card format as the DL351 but has the capacity to house up to 3 cards, which can be any combination of 8 analogue mic/line in, 8 analogue out (XLR), 8 analogue TRS line level in and out, 8 digital in and out (4 AES/EBU pairs) or a 25 pin D sub card with 8 analogue mic/line inputs and 8 outputs.

Midi in, out and thru, and GPIO connections are supplied as standard. Digital audio interface is via 2 AES50 ports, one of which can be configured as a spare redundant connection.

The DL451 can be used with the Midas XL8 and PRO series of digital mixing systems, or as a stand-alone AES50 audio interface in a Midas snake and audio distribution systems with remote control via Ethernet.


The latest apps and firmware downloads can be found on the MIDAS website here.



  • 24 audio inputs*
  • 24 audio outputs*
  • Five card options of 
    DL441 Analogue Mic / Line Input “I” card
    DL442 Analogue Output “O” card 
    DL443 8 Analogue Line In and 8 Analogue Line Out “TRS” card 
    DL452 AES/EBU Input and Output “D” card
    DL444 “D Sub” card, 8 analogue mic/line in, 8 line out
  • Midi in, out and thru
  • GPIO
  • Digital snake and distribution network component with redundant connections
  • Ethernet control port
  • 3U


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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 DL451.