1 [INPUT]
Lockable NL4 input connector.
2 [THRU]
Output for an additional speakers, wired in parallel to the input, designed as lock‐
able NL4 connector.
3 [TOP]
Crossover output, e. g. usable for a mid/high speaker, designed as lockable NL4
connector.
Connections and operating elements
passive subwoofer
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