The Speco Technologies VIDDIST 1 In 4 Out Video Distributor & Video Amplifier is a versatile video distribution system designed for boats or marine vehicles. With its 1 in 4 out capability, this amplifier allows you to effortlessly duplicate and distribute signals from one source to multiple displays throughout your boat's interior or cabin. Manufactured by SPECO, known for producing high-quality marine electronics, this product ensures reliable performance for your video setup, offering a dependable solution for enhancing your boating experience.