Package includes: 4 pieces of Square 2Way Speaker Box Terminal Binding Post Cups with matching screws for secure installation. Key features: Overall size: 2.24 x 2.24 inches (57 x 57 mm), ideal for compact speaker box designs. Durable construction with an ABS outer box for strength and impact resistance, paired with copper binding posts for conductivity. Compatible with 4 mm banana plugs, spade terminals, or bare wire connections, ensuring versatile connectivity options. Performance and benefits: Provides a reliable, quality terminal interface for speaker wiring, reducing connection issues and maintaining audio signal integrity. Easy to install into wooden or custom speaker enclosures with included mounting screws. Square design allows for neat integration into various speaker box layouts. Application scenarios: Home audio systems: for upgrading or building custom speakers in living rooms or entertainment areas. Outdoor setups: Suitable for courtyard or patio audio installations, offering secure connections in various environments. Public venues: Ideal for halls or meeting spaces where professionalgrade speaker connections are required. This 2Way Speaker Box Terminal Binding Post Cup set combines durability, compatibility, and ease of installation, making it a dependable choice for both DIY audio projects and professional setups.