3.6mm Thick Base Plate: Our speaker terminal features a 3.6mm thick base plate that minimizes cabinet resonance. Gold-plated connectors ensure optimal signal transmission, and spring clips ensure a tight and secure connection. Pure Copper Plating Cable Clip: Our beautiful, high-quality cable clip is plated with pure copper, providing effective protection against corrosion and rust. Perfect for 4mm banana plugs, spade terminals, or bare wire. Ideal for DIY Enthusiasts: Our 2-hole terminal box is specifically designed for DIY enthusiasts looking to replace their original speaker board. Particularly suitable for use with subwoofers. Easy Installation: Our spring clips ensure a tight and secure connection. The rear connections use quick-release connectors and are color-coded (red for positive and black for negative) to ensure correct wiring. Versatile Use: Our speaker terminal box is ideal for home speakers, subwoofers, and separate amplifiers for woofers and tweeters. Use it at home, in hotels, lobbies, or anywhere else you want to install a speaker.