Knowledge Base


Eris 3.5/4.5 BT: Using a battery pack with speakers


Eris E3.5BT or Eris E4.5BT speakers incorporate professional-caliber power amplifiers to produce clear, full bass and high-quality sound. Power amps of this sort require more power than portable batteries can deliver, so the Eris E3.5BT or Eris E4.5BT speakers use AC power.



Please contact PreSonus Technical Support by creating a Support Ticket at for further assistance.

>How to create a support ticket<



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