Nilfisk-ALTO MS Series - Manual (Page 10)

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5. INSTALLATION AND CONNECTION
5.1 For MS Series Cabinets
Please use only the power connectors to make connections with other signal source equipment for the MS series
cabinets. The power connector has four terminals: 1+, 1-, 2+, 2-.
In our cabinets, only 1+/1- are used to connect the Speaker+/Speaker-, and 2+/2- are not used.
5.2 For LTO MS1 SPEAKER MODELLER
Please use shielded twisting pair which can reduce noise and signal loss. The wiring of the connector is as follow
1+
2+
1- 2-
Sleeve
Tip
+
Ring
TRS Type balanced
-