DBX 641 6x4 Digital Zone Processor - 6 Inputs, 2 Mic/line + 4 stereo LineThe ZonePRO 641 from dbx is a digital zone processor that features six channels of input and four outputs. The unit is suitable for installation in restaurants, fitness centers, retail stores, nightclubs, and any other situation that requires multiple zone control of audio sources with paging features. The ZonePRO 641 has no front panel control and requires a computer for initial setup. The processor provides two balanced inputs on Euroblock terminals