Temperature Base with Gold Plate and Solid Machined Brass, protected by Clear Acrylic Weatherproof Covers for durability and reliable operation in harsh environments. Wiring compatibility: (2GA/4GA) x 3 In to (6GA/8GA) x 2 Out using standard AWG power or ground wire. Efficient distribution: a compact distribution block that lets you connect up to two amplifiers to a single power source, reducing wiring complexity and improving system organization. 12V automotive use: suitable for car, truck, and offroad applications, providing dependable performance in typical 12V installations. Use scenarios Car audio upgrade: feed two amplifiers from a single battery using three 2GA/4GA inputs and two 6GA/8GA outputs to power subwoofers and amplifiers with a clean, centralized power distribution. Offroad entertainment: install in offroad vehicles to reliably power two amplifiers for cabin speakers and a subwoofer, with weatherproof protection for durability in rough conditions. Truck audio setup: streamline a dualamp configuration in a pickup, keeping wiring tidy and ensuring solid power delivery from one source.