4-channel audio converter with 4 dry contacts for the IP speaker system

  • The NAI-1104 allows up to 4 physical audio sources (CD player, radio tuner, etc.) to be added to the IP speaker system.
  • 4-channel line-level balanced audio IP conversion for the IP speaker system.
  • 4 Dry contact inputs (NO: normally open) inputs for scenario triggering and activation.
  • AC/DC power supply.
  • Proprietary audio and data transport protocol over network (AOE).


Audio input sensitivityLINE : 0dBV, MIC : -60dBV
Nominal output0dBV
Phantom power+24V / 14mA
THD @ 1kHz input, 0dBV outputLINE : less than 0.04%, MIC : less than 0.2%
MIC: Less than 0.2% S/N at 1kHz, 0dBV output, A-WTDLINE : Over 70dB, MIC : Over 65dB
BandwidthLINE : 20Hz~20kHz, MIC : 20Hz~20kHz
Network communication100/1000 base-T (RJ-45)
Network cable lengthMAX 100m
Dry contact4-channel input
Operating temperature-10℃ ~ +40
Power supplyAC 120-240V ~, 50/60Hz, 0.43A, DC +24V, 800mA
Power consumption22W
Dimensions (WxHxD)482 x 44 x 280 mm
Certification ce - Majorcom
Certification rohs - Majorcom
Certification bureau veritas - Majorcom
Certification iso - Majorcom
Certification dante - Majorcom
Certification EN54 - Majorcom

MAJORCOM places customer service at the heart of its business model thanks to its dedicated business team. Our systems are custom-designed by our engineering department which is staffed with acousticians and electronic engineers, with the expert support of our R&D department, and an after-sales department with highly involved support functions.

Need some information ? Fill out the contact form or contact us directly on +33 5 61 31 86 87

Address: 56 Chemin de la Flambère, 31300 Toulouse, France
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