| CPC H04R 1/345 (2013.01) [H04R 2201/34 (2013.01)] | 20 Claims |

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1. A phasing plug adaptor for a speaker assembly, the phasing plug adaptor comprising:
a plurality of concentric rings,
wherein an innermost ring of the plurality of concentric rings defines a first channel that is uninterrupted and coaxial with a central longitudinal axis.
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