Switchcraft speaker twist chassis connector
Neutrik Speakon chassis connector, 4-polig, vierkant
Boston speaker chassis conn, 4-polig, male, rechthoekig model, 25 x 30mm
Boston speaker chassis conn, 4-polig, male, rond model, 50mm diameter
Boston speaker chassis conn, 4-polig, male, rond model, 40 x 40mm