SWAMP Speakon to Speakon Female Feed Through Connector - Panel Mount Adapter | SWAMP
Neutrik NA4FX-F speakON to 3 pin XLR Female Adapter
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Amazon.com: NANYI Speakon to 1/4 Adapter Connector, Upgraded 1/4" Female to NL4FC Male Connectors are for Converting 1/4" Cables to NL4FC Plug for Speaker/Amplifier/Mixer (Speakon to 1/4 Adapter) : Electronics