A live concert demands potent speakers with substantial fidelity, although a convention requires very clear and intelligible speech reinforcement. The choice involving driven and unpowered speakers is significant as driven speakers have created-in amplifiers (providing advantage and self-containment), whilst unpowered speakers call for exterior amplifiers (offering better adaptability... https://audiovisualequipment27976.elbloglibre.com/33027773/not-known-details-about-best-av-receiver