What is this?4-pole Speaker wall plate jack connectors are adaptable and versatile for audio project equipment such as mixers, microphones, musical instruments, karaoke, speakers, amplifiers, mixing consoles and home entertainment systems.What will I get?Female Panel MountColor:Red, Yellow, Blue, Orange, BlackSize:32mmx26mmx35mm/1.26 inchx1.02 inchx1.
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