The brand Dual Electronics Corporation is known for providing affordable and high-quality products using research and development, as well as advanced technologies. The Dual DULLU43PB speakers offer optimal clarity for listening to music, videos, or TV and are made from durable and lightweight polypropylene. Designed to endure regular exposure to the elements, these practical outdoor speakers make it easy to set the perfect soundtrack for a pool party, barbecue or camping trip. Sophisticated and powerful, the 4.0 channel system configuration is designed to keep up with fast-paced and overlapping soundtracks, without clipping. The coaxial audio input of these speakers allows audio signals to travel farther allowing more flexibility in the location of the speakers, without a loss of sound quality. The coaxial audio inputs on these speakers offer reliability in reproducing the sound the way it was meant to be heard. The neutral black color of these speakers allows them to blend seamlessly into any TV, video and home audio system.