NEXO NXAMP 4X1 Owner's Manual - Yamaha Commercial Audio

QUICK STARTBack panel description74 3 1 2 6 5(1) Mains connectorsThis is the mains input for the NXAMP4x1. The plug is a Powercon 20A for the 100 ~ 120Volts model (ref. NXAMP4x1U) and a standard IEC 3 pin for the 220 Volts model (ref.NXAMP4x1C). The amplifier requires high-power so that it can demand high current fromthe AC service. Connections must be properly rated for reliable operation. See specificationparts for details.(2) Balanced audio inputs with linkFor each of the four analog audio inputs you will find an XLR3 female input connector, andalso an XLR3 male connector in parallel for sending back the input signal to another unit.(3) Expansion slotThis slot is used for extra audio inputs and remote control. See further in the manual fordetails about the available options.(4) Power outputsUse Neutrik NL4 cable plug into these ports for safely connecting the power amplifieroutputs to the cabinets.(5) RS-232 portThrough this serial port, you can upload a new firmware into the NXAMP from a computer.New firmware adds new functionalities and new cabinets’ setups. Details about the updateprocedure are given further in this manual.(6) GPIO portThis GPIO port is used for interfacing the amplifier to security system, or to allow a basicremote control of the unit. (N.B.: GPIO not yet implemented in current firmware release).PAGE 15 OF 80