®XA2125, XA275, XA2503InstallationDisconnect BatteryBefore you begin, alwaysdisconnect the batterynegative terminal.Before You BeginBefore you begin, you will need tools, suppliesand adapters. It is best to make sure you haveeverything you need before you start.+–Supplies and Tools NeededSupplies• Black electrical tape• Amplifier Installation KitTools• Cordless drill with assortment of bits• Flat and Phillips screwdrivers• Wire cutters/strippers• Crimping tool• 12-volt test light or digital multimeter• Wire brush, sandpaper or scraping tool(ground connection to vehicle should be aclean, unpainted metal surface)FeaturesXA Series 2-channel amplifiers include:• Easy access top mounted controls• Continuously variable high pass/low passcrossover• 40Hz – 400Hz crossover frequency range• Crossover mode selector switch• Continuously variable bass boost, centeredat 45Hz• Input level control• Remote level control (XA2125)• Traditional input circuitry – low and high levelinputs• Pre-amp output for installation flexibility• Dual status LED diagnostic indicator• Thermal, short circuit and low impedanceprotection circuitry• PWM MOSFET power supply• Discrete amplifier design with complementaryhigh current Bi-polar output stage6236 XA2CH_E.p65 5/7/01, 2:07 PM3