Black Maple Cherry
DMS - Distributed Music System
Available Models: DMS-2.1, DMS-4.4
Pragmatic offers the following solution for distributed music systems

DMS 2.1:

A complete music distribution with paging solution on a single category 5 wire. The maximum distance on category 5 wire is 3000 feet. It is ideal for restaurants, small professional office buildings, schools, sports bars, manufacturing and production areas, theme parks, and many others. The in-wall amplifiers with volume control are locally powered (can be centrally powered on an 18/2 AWG along with the category 5 for signal) and daisy chained from one in-wall amplifier to another. A maximum of 32 volume controls can be daisy-chain connected on a single category 5 wire. Further expansion is possible with additional repeater unit.

DMS 4.4:

A complete multi-source, multi-zone music distribution and control on a single category 5 wire. It is ideal for restaurants, offices, schools, sports bars, house of worships, manufacturing and production area, and many more. The maximum distance on category 5 wire is 1000 ft. from the hub. It can select from one of 4 different audio sources in each zone. DMS 4.4 features a high performance built-in TV / CATV and FM tuner as the main source. Three additional external sources can be connected to the main distribution hub. Each zone is connected to the main hub by a single category 5 wire. The in-wall amplifiers with keypads are locally powered (can be centrally powered on an 18/2 AWG along with the category 5) and are home-run to the main unit. Additional zones can be added in increment of 4 zones with each expansion unit. It also contains built-in IR remote control distribution. Serial port control of the system allows easy integration with lighting control systems, building automation system, and more. The system can also be controlled by a PC.

Downloads:
DMS 2.1 Data sheet
DMS 4.4 Data sheet
DMS 2.1 Application Notes
DMS 4.4 Application Notes

Manual:
DMS 4.4 User Manual