1pcs 57 X 57 X 25mm Round Cup Subwoofer Plug Car Stereo Speaker Box Terminal Connector This terminal board was designed for custom applications, where a replacement of the original speaker board is required.Simply press down the terminals and insert speaker wire for direct contact.Rear side requires Spade Connectors, Mini Spade Connectors or direct soldering of a speaker wireSuitable for using at home, in hotel, hall or the other places you want to set a speaker.Easy to mout with 4 mounting holes.Material : Plastic & MetalScrew Hole Diameter : 4mm/ 0.16""Plate Size : 57 x 57 x 25mm/ 2.2"" x 2.2"" x 1"" (L*W*T)Wide inner circle: 49cmPackage included: 1 pcs with screwsAbout usOur company is a professional cross-border e-commerce company with professional staff, professional products and brands.We mainly do product wholesale and retail.shippingWhen you place an order,please choose a shipping method .If you want to ship via Express ,please pay for the extra shipping fee.We will send the items within 7 days once you payment is completed.We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries,which may af