Mediabridge ULTRA Series Fast-Lock Banana PlugsAttaches to speaker wire, supplying a high-quality signal path from audio components like a speaker to an audio/video receiver, amplifier or other sound application. Works with bare wire, spades, other banana plugs & 8-18 AWG speaker wire. Connectors & crimping teeth are coated in 24K gold-plating for lasting corrosion-resistance. Corrosion-resistance provides secure fits with clarity, natural sonic accuracy & no distortion. A wider base minimizes shorting for maximum signal transfer, & a 2-piece screw-on design makes for reliable termination. ULTRA Series banana plugs are made from premium materials for a pro-grade output. Self-crimping teeth make for easy 1-time installs & a low profile build only sticks out 1?. Color coded, distinguishing left from right to enable matching polarity. Fast-lock is an easy plug-&-play alternative to bare wire setups, taking away the hassle of crimping/soldering.Product Features- Attaches to speaker wire, for a high-quality signal path between audio components- Corrosion-resistant 24K gold-plated connectors & crimping teeth for secure fits & clarity- Wider base for optimal signal transfer & 2 piece screw-on design for reliable termination/reuse- Color coded, distinguishing left/right to enable matching polarity- Self-crimping teeth for 1-time setupCompatibility- Bare wire, spades, other banana plugs & 8-18 AWG speaker wire- Works with audio components like a speaker, audio/video receiver, amplifier & moreInstallationConnect existing speaker wires to a plug through the bottom (step-by-step user guide included)NotesUnlike tedious bare speaker wire installs, these reusable plugs are designed for quick connections without fraying, meaning that wire tension effects the plug?s hold