WHY DO YOU CHOOSE US? We've been working in electronics for years and accumulated rich experience, and now we want to share with you the preferences and originality of our products, which would bring you a more fashionable and artisticlife experience. There are plenty of similar products on the market to choose from. Why choose us? Simple: We are always obsessed with providing cost-effective products, and always solve problems from the customer's point of view. We're always obsessive about making sure that each one of our product is produced to the highest standard that we ourselves would expect. From the quality, size, color, Appearance, practicability and application of each product, we take pride in considering from the customer's point of view. This terminal box with 2 mounting holes is designed for DIY applications 3.8MM thicken base plate for reducing the resonance of wire box.Simple installation, it is used to install on the backside of the speaker as an amplifier. Support direct wiring, Y fork, straight banana head and bent banana head. Pure copper plated wiring terminal, effectively avoid from corrosion and rustiness. Wide Compatibility Can be used to diameter below 5mm of cable, or Banana head plug, suitable for home, hotel, hall or the other places you want to set a speaker. Specifications: Color: Black Material: ABS Base + Copper Terminal Mounting Holes: 2 Base Plate Thickness: Approx. 3.8mm Screw Holes: Approx. 4mm Wiring Terminal Hole: Approx. 3.8mm Binding Post Diameter: Approx. 12mm Size: Approx. 92 x 80 x 35mm / 3.6 x 3.1 x 1.4in Package Weight: 74g Package List: 1 x Speaker Terminal Box (Speaker is NOT included.), 1 x Screws Kit