Input Connector Types
In this section:

There are 3 types of input connectors for IntelligentDC loudspeakers: Phoenix, EN3, and ECO-M, as shown in the figure below. Please refer to the labeling when troubleshooting. With Phoenix connectors, please note the orientation of the connector on your loudspeaker. The labeling will clearly indicate the correct orientation for inserting the cable (see the top row of the figure below).

Different Meyer Sound Loudspeaker Connector Types