About this item High-Quality Audio Transmission: This 16 gauge speaker wire ensures clear sound with minimal resistance; delivers crisp audio for car stereos, home theaters, and sound systems. Marine-Grade Durability: Built to handle tough environments, this marine speaker wire withstands moisture and vibrations; perfect for boats, vehicles, and outdoor setups. Color-Coded for Easy Installation: The 16 gauge speaker wire 100 feet is red and black insulated, allowing for quick polarity identification and preventing connection errors. Flexible and Easy to Install: Soft touch jacket offers easy routing in tight spaces; this car audio speaker wire is ideal for custom installations and vehicle sound systems. Versatile Applications: Connect speakers, amplifiers, and radios with this reliable speaker cables set; durable construction supports indoor and outdoor audio projects. Dimensions: 4.84 x 4.69 x 3.19 inches.