Each 850D-DA has independent or linked volume control on each of eight amplifier/pre-amplifier zones and can accept any digital or analog source, including DVD and Blu-Ray players, media servers, CD players, cable and satellite boxes, digital music players, and more. Additional 850D-DAs may be interconnected providing up to 72 zones of audio and vastly simplifies installation.
Like all other Vantage products, the 850D-DA is designed to maximize control, simplify functionality, and expedite installation. The amplifiers are protected against shortterm output shorts and have three progressive levels of thermal protection. Vantage products are built to the highest standards of quality and reliability.