Multi-room amplifier Axium and the Digital music manager music aggregator offer the ultimate in Multi zone Multi source audio integration. The Vantage Axium 450 Series multi-room amplifier is one of the most advanced, dedicated multi-room amplifiers on the market. The 450 Series, like other Vantage products, is designed to maximize control, simplify functionality, and expedite installation. The amplifiers are protected against short-term output shorts and have three progressive levels of thermal protection. Vantage products are built to the highest standards of quality and reliability. The Digital Music Manager is a Music Aggregator to simplifie/enable customer's music file management and access. DMM transparently seeks out all digital music on the home network and enables customer to treat all their devices as a single integrated library. It is able to rip and store music to onboard 500GB HDD. A second 500GB HDD can be added, either as backup or additional storage. DMM surpasses capabilities of other products on the market because of its following possibilities/features: * Stand-alone or integrated in the home network * Grabs Network music files * Internet radio * Future potential for premium services * Backup/expansion options