6®XA2150Adjust the crossover to accommodate yourchosen installation method.Use LPF and HPF to adjust from50 to 250Hz.When using your Jensen amplifierto run a subwoofer and two full-range speakers (known as Tri-mode or three channel operation)you will need to purchase separatehigh and low pass crossovers fromyour local retailer. A pair of highpass crossovers for your full range speakersand a low pass filter for the subwoofer. Thiswill allow the amplifier to work properly wheninstalling it in Tri-mode. Failure to installthese filters may damage your amplifier and/or your speakers.• LPF –(low pass filter) only basstones go to speakers. Use withwoofers or subwoofer.• FULL –all tones go to speak-ers. Use with full-range speak-ers.• HPF –(high pass filter) blocksvery low tones from the speak-ers. Use with 6" or smallerspeakers.Crossover (X-OVER)LEVELMIN MAXBASS BOOST increases thevolume of bass by up to 6 dBat 45Hz.Bass BoostLEVELMINONOFFBASS-BOOSTLPFFULLHPFMAXLPF50 250HPF50 250X-OVERInput Level ControlThe input level control matches theoutput of your radio to the input ofthe amplifier. After the installationis complete, make sure the inputlevel control on the amp is turneddown all the way (counterclockwise or all theway to the left). Play a tape or CD (make surebass and treble settings or EQ are flat too)and turn the volume up slowly until you juststart to hear distortion. Now back the volumedown just a bit. On the amp, slowly turn upthe input level control (clockwise or to theright) until you just start to hear distortion andback it down a bit. Now your radio and ampli-fier levels are matched.LPFFULLHPFX-OVERLPF50 250HPF50 250OFF ONBASS-BOOST