scription: * 5 Zones digital mixer amplifier with Mp3/TUNER/Bluetooth. *Ideal for small & medium supermarkets, malls, and indoor places like cafe shop to play background musics. Features: * Standard rack mounted design(1U) with delicate SMT technology. * With Mp3/TUNER/Bluetooth, songs being played can be shown on the digital screen. * With Mp3/TUNER/Bluetooth remote control function. * 1 EMC input, 2 AUX inputs, 4 MIC inputs. * Channel priority function EMC>MIC1>MIC2, MIC3, AUX1, AUX2. * Each input has independent volume adjustment, and the total volume has high pitch, bass adjustment and volume control. * With electrical level and overload protection indicator. * The device has good self-protection such as short circuit, overload and overheat. * 2 kinds of output modes: 100V constant voltage output; 4-16Ω constant resistance output. * With 5 zones selection. * EMC input can activate partitioning zones. * Perfect combined design for high efficiency& energy saving switch power and class-D amplifier, with high stability. * Voltage Power Supply: 180V-240V * Optional standby power supply 24V without delay for toggling pictures.