This device provides a robust current connection for vehicle audio systems, supporting 1/0 gauge input and output connections. Key benefits current capability for powerful audio setups: 1/0 gauge in to gauge out wiring supports demanding amplifiers and power distribution. Durable metal construction: made from metal, offering strength, sturdiness and long service life. Compact and space efficient: size of 58 mm by 48 mm (2.28 in x 1.89 in) fits in tight installation areas. Specifications Application: widely applicable to autos, boats or other vehicles, protect your audio system. Feature: 1/0 gauge in to gauge out. Product size: 58 mm x 48 mm (2.28 inch x 1.89 inch). Material: made of metal material, strength, sturdy and durable. Use scenarios Car audio upgrade: install in a sedan or SUV to route current from the battery to the amplifier with a clean, secure connection. Boat or RV audio installations: provide a reliable current path for marine or recreational vehicle sound systems. Heavy duty fleet or off road applications: suitable for installations where durable, ongoing electrical connections are required.