SON AC900-100: Cinch subwoofer cable, cinch connector > 2x connectors, 10.0 m at reichelt elektronik
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Amazon.com: Facmogu 2PCS 2.2 Inch Square 2-Way Speaker Box Terminal Cup with Banana Plugs, Screw Type Binding Post Subwoofer Box Speaker Terminal Plates for DIY Home Car Stereo Speaker & Subwoofer :
Amazon.com: Kalevel Set of 6 Subwoofer Box Terminal Connector Cup Binding Post Spring Loaded Screw Type 82mm Round for DIY Home Car Stereo : Electronics
Amazon.com: Digital Restock - 6 Home Theater Speaker Cables for Sony Samsung Etc / 4.2mm Connectors/Includes Tool-Free Wire Crimp Splices : Electronics
6 4.2mm speaker cable/wire plug/connectors for Select Sony Samsung home theater 713650522180 | eBay